A system for bulk dispensing an expandable sealant for use in an electrical fitting configured to be used in a hazardous or harsh environment. The system includes a container having a first chamber for holding a first component and a second chamber for holding a second component. An injector is configured to receive the container. The injector includes a first plunger and a second plunger wherein the first plunger aligns with the first chamber and the second chamber aligns with the second plunger when the container is positioned in the injector. A nozzle is configured to engage a distal end of the container. The nozzle is positioned to fluidly communicate with the first chamber and the second chamber when attached to the container. The nozzle has an internal labyrinth passage configured to fluidly connect to the first chamber and the second chamber.
B05C 17/01 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure with mechanically or electrically actuated piston or the like
An electric vehicle (EV) charger cable management system for use at an EV charging facility coupled to a power source via an EV charger is provided. The EV charger cable management system includes an EV charger cord set including an EV connector and an EV charger cable coupled to the EV connector; a bracket; and a junction box coupled to the EV charger cable and including electrical wirings, the junction box being structured to electrically connect the EV charger to the EV charger cord set via the electric wirings, be affixed to a portion of top surface of the EV charging facility via the bracket, and maintain a majority of the EV charger cord set to be suspended overhead and out of a path of a user or the EV.
A remotely operated circuit interrupter includes: primary separable contacts coupled to an operating mechanism and a thermal-magnetic trip device structured to interrupt current from flowing to loads by opening the primary separable contacts during a fault event; and a fault current tolerant secondary switching mechanism including secondary separable contacts coupled to the primary separable contacts in series, Rogowski coils, a di/dt measurement circuit, a secondary solenoid driver, the Rogowski coils structured to continuously sense a rate (di/dt) of change of load current, the di/dt measurement circuit structured to receive a signal including the sensed di/dt, determine that the sensed di/dt has reached or exceeded a threshold current rate of change, and output a fault signal to the secondary solenoid driver based on the determination, the secondary solenoid driver structured to actuate the solenoids to fully open the secondary separable contacts using arc voltages of the primary and secondary contacts.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
H01H 71/00 - Details of the protective switches or relays covered by groups
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 3/44 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to the rate of change of electrical quantities
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
A busway joint includes a first base portion, a second base portion, and at least one electrically conductive assembly. The at least one electrically conductive assembly includes: a first electrical conductor; and a second electrical conductor separated from the first electrical 5 conductor by a space. The busway joint also includes a securing assembly. The securing assembly includes: a connection element that couples the first base portion and the second base portion; a cam assembly at a first end of the connection element, the cam assembly including a cam body configured for rotation between a released position and a closed position; a locking element; and a spring element between the locking element and the second exterior side. 10 Rotating the cam body between the released position and the closed position changes an extent of the space.
An electrical switch apparatus includes: a base including: a first side, a second side opposite the first side, and an opening that passes through the base and is configured to receive a moveable contact assembly; and geometric features on the second side of the base, the geometric features including one or more engagement features that extend from the second side. The one or more engagement features are configured to hold one or more switch components to the base without a separate fastening device.
6.
MOTOR CONTROL CENTER (MCC) BUCKET INTERLOCK WITH STRUCTURE FOR SAFE OPERATION OF DISCONNECT FOR COMPACT DESIGN ROTARY SWITCHES
A bucket interlock mechanism is provided for use with a motor control center (MCC) receiving a bucket having a rotary switch. The bucket interlock mechanism physically restricts a disconnect “ON” condition when the bucket is not locked in the MCC.
H01H 9/22 - Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
H02B 1/26 - CasingsParts thereof or accessories therefor
7.
ELECTROMAGNETIC COIL-BASED RAPID FAULT NEUTRALIZATION APPARATUS AND METHOD FOR ARC FAULT MANAGEMENT SYSTEMS
The present disclosure pertains to systems and methods for rapid fault neutralization. An apparatus for managing an electrical fault in an electrical system can include a bridging member configured to establish a conductive pathway between contact points that are at differing electrical phase potentials within the electrical system. The apparatus can include a propulsion system configured to cause movement of the bridging member towards the contact points in response to the electrical fault in the electrical system, thereby initiating the conductive pathway. In this way, the apparatus responds to the electrical fault by initiating a controlled electrical arc through the conductive pathway.
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
H02H 7/00 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
8.
CONTROL SYSTEMS AND METHODS FOR MITIGATING MOTOR START-UP INSTABILITIES IN LIGHTLY LOADED CONDITIONS NEAR SYNCHRONOUS SPEED
Inventive concepts herein relate to mitigating phase current oscillations and vibrations in a spinning, lightly loaded three-phase electric motor. A motor starter can transition between various acceleration profiles defined by unique firing angles and/or firing angle rates of change. These transitions adjust the firing angle of thyristors, which directly manage each phase of a three-phase power supply to the motor. The motor start can identify when a motor has residual motion from prior operation and can modulate the firing angle and/or firing angle rate of change accordingly to reduce a duration of time that issues such as phase current oscillations or vibrations might occur.
H02K 17/30 - Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
H02P 1/04 - Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter
H02P 1/26 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
H02P 23/04 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
9.
APPARATUS, SYSTEM AND METHOD FOR OPERATING AND PROTECTING ELECTRIC VEHICLE AS A POWER SOURCE
A smart load control system includes: a neutral forming auto-transformer (NFT) structured to form a neutral line; a plurality of smart circuit breakers (SCBs) including an islanding and grid-connecting device (IGD) coupled to the electric grid and an EV SCB coupled to the bidirectional EV charger, the IGD structured to sense grid voltage and switch ON and OFF the electric grid, the EV smart circuit breaker structured to sense EV voltage and switch ON and OFF the bidirectional EV charger; and a building energy system manager communicatively coupled to the plurality of SCBs and structured to collect data from each SCB, the data including at least the grid voltage and the EV voltage, select one of grid-connected mode or islanded mode based on the grid voltage and the EV voltage, perform a safe transition to the selected mode, and monitor the grid voltage and the EV voltage.
B60L 53/60 - Monitoring or controlling charging stations
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02M 7/66 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal
10.
APPARATUS, SYSTEM AND METHOD OF AC AND DC V2X AND SMART CHARGING USING A BIDIRECTIONAL ELECTRIC VEHICLE SUPPLY EQUIPMENT
A bidirectional electric vehicle supply equipment (EVSE) for use in a power distribution system having an EV, an electric grid, a load center and an aggregator or grid operator. The bidirectional EVSE includes a voltage sensor structured to sense grid voltage and EV voltage; an EVSE smart circuit breaker coupled to the voltage sensor and structured to connect or disconnect the EV based on a signal from the voltage sensor and to disable a PWM signal before opening EVSE contactors, an EVSE backup control power structured to provide control power to the bidirectional EVSE when the electric grid is not available; and a bidirectional EVSE communications controller structured to communicate with the EV, the load center and the aggregator during selecting an operation mode, transitioning to a selected operation mode, and performing operation and oversight protection in the selected operation mode.
B60L 53/30 - Constructional details of charging stations
B60L 53/60 - Monitoring or controlling charging stations
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
H04W 4/44 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
11.
SYSTEM AND METHOD OF SECURELY EXECUTING IOT DEVICE COMMANDS IN POWER DISTRIBUTION AND DEFENSE DEVICES
A system includes a facility including a plurality of loT PDDs; a first end user device structured to transmit a request for a command for a target loT PDDD; second end user devices structured to receive second factor authenticators based on a first tier validation of the request in a two-tiered validation and return the second factor authenticators for a second tier validation of the request based on second user inputs from corresponding authorized command approvers; and a cloud network including a REST API and a cloud server, the REST API structured to interface with the loT PDDDs, the first and second end user devices and the cloud server, the cloud server including an loT PDDD commands execution manager coupled to the REST API and structured to perform the two-tiered validation and execute the command for the target loT PDDD upon a successful two-tiered validation via the REST API.
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
12.
ENERGY MANAGEMENT SYSTEM FOR AN ELECTRICAL POWER GRID
A system includes: a central controller configured to generate an energy management request; and one or more client controllers. Each of the one or more client controllers is configured to communicate with the central controller through a first communications network, each of the one or more client controllers is associated with a controllable service location, and each of the one or more client controllers is configured to communicate with a premises energy management system (PEMS) that commands one or more controllable energy resources at the controllable service location to operate according to a user specification and the energy management request.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H04L 67/125 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
A solenoid driver circuit for a circuit breaker is provided. The circuit breaker includes a control circuit, a solenoid and secondary contacts and is structured to be coupled between a power source and a load. The solenoid driver circuit includes a first switch coupled to a solenoid and a first resistor structured to sense solenoid current; a second switch coupled to a second resistor, the second switch structured to be turned on based on a switch drive signal from the control circuit; one pulse width modulation (PWM) current controller coupled to the control circuit, the first switch, the second switch and the first resistor, the one PWM current controller structured to adjust the solenoid current and drive the solenoid to open or close the secondary contacts using a plurality of peak solenoid current limits including a first peak solenoid current limit and a second peak solenoid current limit.
H01H 71/74 - Means for adjusting the conditions under which the device will function to provide protection
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
A control system includes a data monitoring module configured to: obtain one or more status indicators of a voltage regulation system, each status indicator corresponding to an operating parameter of the voltage regulation system; determine a state value of each status indicator at a second time; compare the state value of each status indicator to a state value for that status indicator at a first time, the first time occurring before the second time; determine whether any operating parameter of the voltage regulation system changed state based on the comparison; and if any operating parameter of the voltage regulation system changed state, store a record in a dataset, the record including the state value of all of the status indicators and a time stamp that includes the second time.
G01D 1/10 - Measuring arrangements giving results other than momentary value of variable, of general application giving differentiated values
G01R 13/00 - Arrangements for displaying electric variables or waveforms
G05F 1/12 - Regulating voltage or current wherein the variable is actually regulated by the final control device is AC
G05F 5/00 - Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H03B 28/00 - Generation of oscillations by methods not covered by groups , including modification of the waveform to produce sinusoidal oscillations
A mounting bracket attaches a junction box to a support structure. The mounting bracket includes a body portion and a locking portion attached to the body portion. The body portion includes at least one attachment feature for attaching the mounting bracket to a support structure. The locking portion includes first and second locking arms that extend from the body portion. At least one of the locking arms is receivable within an opening in the junction box. The first and second locking arms may be moveable relative to each other to engage the locking arms, lock the second locking arm to the first locking arm, and secure the mounting bracket to the junction box when the first locking arm is received in the opening in the junction box.
An electric vehicle (EV) charging system includes a first busway connected to a power source, the first busway including a first socket and a first busbar structured to carry current from the power source to the first socket; a first bus-plug structured to be plugged into the first socket, the first bus-plug including a first EV charger structured to charge a first EV of an EV fleet; and a first EV connector that is coupled to the first EV charger via a first EV cord and structured to be inserted into a power receptacle for the first EV.
A lighting system includes an enclosure that has a back section, side sections, a front section with a front mounting frame, and an interfacing step extending from or coupled to the side sections and located between the front section and the back section. The enclosure includes an outer surface facilitating heat transfer into the environment. The lighting system also includes a conduction frame attached to the interfacing step, and one or more light emitting assemblies attached to the conduction frame. Each of the light emitting assemblies includes a conduction member and a light source attached to the conduction member, and where each conduction member facilitates heat transfer from the light source to the conduction frame. Additionally, a front housing assembly is attached to the front mounting frame of the front section to seal the enclosure from the environment.
A power sub-feed device includes a plurality of bus bars comprising a line bus bar and a load bus bar; a plurality of terminals including a line terminal, a power deviation terminal, a power reception terminal, and a load terminal; a collar assembly attached to the plurality of bus bars; a frame that receives the collar assembly and the plurality of bus bars and covers at least the collar assembly and the plurality of bus bars, where the power sub-feed device is structured to deviate primary power to a secondary device via the power deviation terminal, the secondary device including an automatic transfer switch coupled to a secondary power source, receive power from the secondary device via the power reception tenninal, and supply the power from a selected power supply source a load coupled to the main power panel via the load terminal.
Methods of testing a multilevel inverter include selectively pulsing (i.e., attempting to turn on) at least one of the inner and outer switches of the inverter and determining a status of at least one of the inner switches, the outer switches and the neutral clamping diodes of the inverter based whether the pulsed at least one of the inner and outer switches desaturates. The pulsing may be preceded by charging the DC bus to a predetemined voltage magnitude that is less than a nominal working voltage magnitude of the DC bus, e.g., the predetermined voltage magnitude may be around 50% or less of the nominal working voltage magnitude.
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
The present disclosure provides an adjustable-depth ring assembly including a cover plate, an extension ring, and at least one pair of tabs. The cover plate includes a planar rigid plate and a raised portion. The raised portion projects laterally from the rigid plate and defines an opening. The extension ring defines a cavity and is sized for reception in the opening of the cover plate. The extension ring is movable relative to the cover plate along an axis extending in front-to-back direction such that an axial distance between a front of the extension ring and the cover plate can be adjusted. Each tab of the pair of tabs defines an opening for mounting an electrical device to the extension ring. The pair of tabs extends laterally from the extension ring such that a line segment connects centers of the openings of the pair of tabs.
A user access control system comprises electrical components of electrical switchgear, and locking mechanisms that secure the components from unauthorized access. The user access control system further comprises an identification input unit to receive user input to identify a user; an authentication unit to authenticate the user input based on a security policy, determine an access level, and generate a digital access key; and an equipment control unit to selectively allow or deny access to the electrical switchgear components by using the digital access key to unlock or lock the locking mechanisms.
G07C 9/23 - Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a password
H02B 1/00 - Frameworks, boards, panels, desks, casingsDetails of substations or switching arrangements
H02B 15/00 - Supervisory desks or panels for centralised control or display
A compression coupler assembly including a first compression nut, a second compression nut threadably attached to the first compression nut and an inner sleeve configured to be captured between the first compression nut and the second compression nut when threaded together. The inner sleeve including a tubular-shaped body with a longitudinal slit extending through a wall of the body between opposite ends of the body. An inwardly slopped flange is fomied at each end. Each inwardly slopped flange configured to deflect inwardly as the first compression nut and the second compression nut are threaded to a predetemined position. At least one stop protrudes inwardly from an inner wall of the inner sleeve.
F16L 19/04 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
F16L 19/07 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends adapted for use in socket or sleeve connections
A light assembly including a heat sink assembly including an extrusion. The extrusion defines at least one internal passageway between a lower face and an upper face. The at least one internal passageway has an open upper end and an open lower end wherein air is drawn into the open lower end and exhausted out the open upper end via natural convection. A swivel yoke assembly is attached to the lower face of the heat sink assembly. The swivel yoke assembly includes an upper bracket, a lower bracket and a swivel hub attached to upper bracket and the heat sink assembly. The upper bracket and the lower bracket are configured to pivot about a horizontal axis relative to each other and the swivel hub is rotatable about a vertical axis.
A reduced voltage starter for electric motors comprises a controller, and a plurality of semiconductor switches to selectively connect a power source to a motor. The controller is configured to apply a first voltage ramp to provide a controllable fraction of the full line voltage to the motor, while maintaining a current flow to be within a programmable current limit during motor startup. The controller is further configured to implement a bumpless force transition, by applying a second voltage ramp when the speed of the motor is below the rated motor speed, and force transition criteria correlated with overheating of the semiconductor switches and/or a connected load are met.
A receptacle includes a housing having a port for receiving a plug. An interlock assembly is provided for locking and unlocking the plug to the housing and includes a unitary main shaft having a first end and a second end. The second end is contoured to extend radially from a longitudinal axis of the main shaft. A spring is coaxial with the longitudinal axis and is configured to engage the second end of the main shaft. The spring is configured to apply a rotational biasing force to the main shaft to bias the main shaft toward a locked position wherein a locking bar attached to the first end of the main shaft engages and locks the plug to the housing. A tab is attached to the first end of the main shaft and is configured to rotate the main shaft between the locked position and an unlocked position.
A motor system includes a stator and a rotor situated to rotate relative to the stator. A plurality of phase windings are situated in the stator with a power circuit connected to the phase windings. A controller is configured to output control signals to the power circuit to selectively energize the phase windings to cause the rotor to rotate relative to the stator. A neutral switch circuit is connected between the phase windings and a neutral node and is configured to selectively disconnect the phase windings from the neutral node.
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
H02P 25/22 - Multiple windingsWindings for more than three phases
Systems and methods for fault toleration actuation include an actuator with a position. A first sensor measures a first parameter associated with the actuator. A second sensor measures a second parameter associated with the actuator. A sensor fusion module receives data from each of the first and second sensor and executes a sensor fusion process on the data received to estimate the position of the actuator. A fault detection module is configured to receive data from the first and second sensor, to receive sensor fusion data from the sensor fusion module, to compare the data received from the first and second sensor with the sensor fusion estimate, to identify an error in the data received from either of the first or second sensor based on the comparison, and to determine a fault exists in the first or second sensor based on the error.
B64D 31/18 - Power plant control systemsArrangement of power plant control systems in aircraft for electric power plants for hybrid-electric power plants
A motor system includes a motor, first and second power rails connected to a DC voltage input terminal, and a DC bus capacitor connected between the first and second power rails. An inverter circuit has a first inverter leg, a second inverter leg and a third inverter leg, each of which includes first and second power switches connected in series between the first and second power rails. The inverter circuit is configured to selectively output energization signals to phase windings of the motor. A DC link discharge circuit is configured to monitor a voltage level of the DC bus capacitor, and a bus switching circuit is configured to selectively output one of a first DC voltage level or a second DC voltage level to the DC voltage input terminal in response to an output of the DC link discharge circuit.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
A system or appliance for universal mounting of an audio/visual alert system, with a surface interface, having a mounting body mountable on either of a vertical surface or a horizontal surface and one or more electrical terminals. Further having a notification module with a lens configured to throw light 180 degrees vertically and 180 degrees horizontally at greater than 15cd and a speaker. Further having an appliance cover with a cover body, a letterplate having a first side with a text in a first orientation and a second side with the text in a second orientation, wherein the letterplate is fully separable from the rest of the system; and a grill having a flat outer face.
G08B 5/36 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmissionVisible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources
G08B 7/00 - Signalling systems according to more than one of groups Personal calling systems according to more than one of groups
G08B 17/00 - Fire alarmsAlarms responsive to explosion
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
Embodiments of an electric vehicle (EV) charging system for implementation in structures that house electric vehicles, such as warehouses or parking structures, are disclosed. The EV charging system can be overhead mounted from a building's ceiling, using cable tray for electrical power distribution and an integrated EV charger mounting system, thus eliminating the risk of EV cables and charging handles being dropped on floor areas. The disclosed ceiling mountable system is especially advantageous for electric vehicle fleet charging applications and multi-level parking lot applications, as the disclosed system enables simplification and lowest-total-installed-cost in comparison to traditional ground-mounted EV charging systems and related electrical infrastructure. Another advantage is the use of open cable tray for electrical power cable routing and support, which is easily expandable to accommodate additional EV chargers by adding modular cable tray or cable runs to load center/drop-out sections for EV chargers and cable management.
B60L 53/00 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/50 - Charging stations characterised by energy-storage or power-generation means
F21V 15/01 - Housings, e.g. material or assembling of housing parts
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
A channel nut holder includes a polymer body having a central axis, top surface, plurality of side surfaces, and a bottom surface. A channel nut opening is positioned between the side surfaces. The channel nut opening is configured to receive a channel nut. The channel nut holder further includes a spring back mechanism having a plurality of gripping flaps disposed on the top surface at an acute angle alpha (a) with respect to the central axis.
A pedestal has two sides that are opposite one another and to which various charging boxes can be mounted and electrically connected. For instance, the pedestal can have the same charging boxes mounted to the two sides and electrically connected with a power system upon which the pedestal is positioned. Instead, two different charging boxes can be mounted to the two sides. Importantly, either or both charging boxes can be easily removed by appropriate personnel and alternatively replaced with other charging boxes if, for instance, the market for needing specific electrical charging has changed or if the population of electrical vehicles needing electrical charging has grown in a new direction, by way of example.
A power unit in a motor control center comprises an extendable/retractable carriage assembly and a power connection configurable to prevent an operator from accidentally energizing the power unit. A carriage follower coupled to the carriage assembly and in contact with a rotatable linkage may rotate the rotatable linkage to position an operator handle blocking surface. In a blocking position, the blocking surface prevents rotation of an operator handle to an operator handle position associated with energizing the power unit and in a nonblocking position, the blocking surface allows rotation of the operator handle to the operator handle position associated with energizing the power unit.
A method of power quality monitoring includes: capturing a power quality event; determining that the captured power quality event is one of a voltage sag, a swell or an interruption; in response to determining the captured power quality event is one of the voltage sag, the swell or the interruption, selecting a pre-event interval and a post-event interval; comparing a pre-event load level and a post-event load level; and detecting a load loss based on a result of the comparison.
G01R 21/00 - Arrangements for measuring electric power or power factor
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
42.
ADJUSTABLE FREQUENCY DRIVES USING NORMALIZED MODULATION CONTROL SIGNALS TO COMPENSATE FOR PHASE IMBALANCE AND METHODS OF OPERATING THE SAME
An apparatus includes a plurality of DC buses and a plurality of inverter circuits, respective ones of which are coupled to respective ones of the plurality of DC buses. The apparatus further includes a control circuit configured to generate a representative DC voltage signal based on DC voltage signals for respective ones of the DC buses, to generate a first modulation control signal from the representative DC voltage signal, to generate second modulation control signals for the respective inverter circuits from the representative DC voltage signal and the first modulation control signal that are normalized based on the DC voltage signals for the buses and the representative DC voltage signal, and to modulate the inverter circuits responsive to respective ones of the second modulation control signals. The representative DC voltage signal may represent a maximum of the DC voltages for the respective DC buses.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
43.
ELECTRIC VEHICLE CHARGING SYSTEM AND CONNECTOR HAVING AN RFID READER AND METHOD FOR RF VALIDATION FOR CHARGING ELECTRIC VEHICLE
A connector for use in charging an electric vehicle (EV). The connector includes a housing, an electrical receptacle coupled to the housing and structured to be inserted into and electrically couple with a charging port of the electric vehicle, and a radio frequency identification (RFID) reader disposed within or on the housing of the connector, the RFID reader structured to read RFID tags and, in response to reading an approved code from an RFID tag, to enable charging of the EV.
B60L 53/30 - Constructional details of charging stations
G06K 19/04 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
H04W 4/021 - Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A system includes: a switching apparatus including a plurality of electrically isolated busbars, each busbar including at least a first interface and a second interface; a first type of separable electrical connector configured to mechanically and electrically connect to one of the first interfaces; and a second type of separable electrical connector configured to connect to two of the second interfaces simultaneously. The switching apparatus is configurable to have one of a plurality of current paths based on which two of the second interfaces are electrically and mechanically connected to the second type of separable electrical connector.
H01R 25/16 - Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
H01R 29/00 - Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series/parallel selection
H02B 1/20 - Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
45.
METHODS OF PROTECTING MOTORS DRIVEN BY VARIABLE FREQUENCY DRIVES AND VARIABLE FREQUENCY DRIVE SYSTEMS EMPLOYING THE SAME
A converter of a variable frequency drive (VFD) is operated in a ramp-up mode to produce an AC output voltage for accelerating a motor. A loading of the converter is detennined concurrent with the ramp-up mode. Transfer of the motor to a bypassed mode is conditioned on whether the detennined loading in the ramp-up mode meets a criterion. In some embodiments, conditioning transfer to the bypassed mode comprises foregoing transition to the bypassed mode based on a comparison of the detennined loading to an underloading threshold.
H02P 1/04 - Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter
H02P 1/16 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
H02P 27/04 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
46.
VIDEO ANALYTIC WORKER SAFETY MONITORING SYSTEM FOR WORKPLACE HAZARDS
A video analytic worker safety monitoring system includes at least one video camera having a field of view including a defined safety zone in a workplace, the defined safety zone including or being proximate to a workplace hazard such as an electrical hazard, a machine hazard, or a medical procedure hazard. An image processor receives a video feed from the at least one camera, wherein the image processor is configured to, based on image analysis of the received video feed, detect worker safety deficiency events.
A fuse monitoring device for monitoring a fuse supported by a fuse block, the fuse monitoring device including a housing. The housing includes a holder attachment mechanism configured to connect the fuse monitoring device to a fuse block. The housing also includes a mounting attachment mechanism configured to connect the fuse monitoring device to a mounting structure and at least one sensor configured to be operably connected to a fuse and configured to measure fuse data associated with the fuse. The monitoring device further includes at least one processor communicatively coupled to the at least one sensor.
H01H 85/20 - Bases for supporting the fuseSeparate parts thereof
H01H 85/30 - Means for indicating condition of fuse structurally associated with the fuse
H02H 3/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
49.
ADAPTIVE PERSISTENCE FORECASTING FOR CONTROL OF DISTRIBUTED ENERGY RESOURCES
A method of adaptive persistence forecasting includes receiving historical load values for a site with at least one component that consumes energy; receiving historical temperature values corresponding to dates of the historical load values; evaluating the historical load values and the historical temperature values to determine a correlation coefficient; determining that there exists at least a threshold correlation between a load activity and temperature for the historical load values and the historical temperature values based on the correlation coefficient; in response to determining that there exists at least the threshold correlation, normalizing the historical load values based on a set temperature; and applying an adaptive seasonal persistence model to the normalized historical load values to output a forecast for use in controlling energy resources at the site.
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
50.
MOTOR VOLTAGE SYNTHESIS IN REDUCED VOLTAGE SOFT STARTERS AND MOTOR STARTERS EMPLOYING THE SAME
A reduced voltage soft starter (RVSS) includes a switching circuit configured to selectively couple an AC power source to a motor and a control circuit configured to sense a line voltage provided to the switching circuit to produce a first voltage signal, to sense a current of the motor to generate a current signal and to generate a second voltage signal representative of a voltage of the motor responsive to the first voltage signal and the current signal. The control circuit may be further configured to generate an estimate of a torque of the motor responsive to the second voltage signal and to control the torque of the motor responsive to the torque estimate.
Control of an electric water heater based on a two-mass model may be provided. First, a reserve capacity of an Electric Water Heater (EWH) may be determined. Next, a safe deferred time for the EWH based on the determined reserve capacity may be determined. Then a grid service event initiation may be received. In response to receiving the grid service event initiation, the EWH may be caused to not heat water for the determined safe deferred time.
Power grid management systems and methods include determining a power reference, and sending a first message from a first controller to each of a plurality of second controllers based on the power reference. Each of the plurality of second controllers is configured to control a plurality of associated distributed energy resources (DERs). Energy usage of the associated DERs is modified by each of the plurality of second controllers based on the first message. Each of the second controllers sends feedback data to the first controller message based on the modified energy usage of the associated DERs. The feedback data is aggregated by the first controller, and the aggregated feedback data is compared to the power reference. The first controller sends a second message to each of the plurality of second controllers based on the comparison.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
53.
SYSTEM AND METHOD FOR DISTRIBUTED COMMUNICATIONS AND CONTROL FOR ELECTRIC UTILITY GRID
A system of communicating data to and between a client device in a residence and a utility network is provided. The system includes a proxy controller located at the residence and a first network configured to transmit and receive data between a central controller associated with the utility network and the proxy controller. The system further includes a second network configured to transmit and receive data between the proxy controller and the client device in the residence. The proxy controller is operative to receive data from the client device over the second network, aggregate the received data in a predefined format, store the aggregated data within the proxy controller, and send the aggregated data to a central controller over the first network.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
H04L 67/565 - Conversion or adaptation of application format or content
H04L 69/08 - Protocols for interworkingProtocol conversion
54.
AIR CONDITIONING PREDICTIVE POWER MANAGEMENT SYSTEM AND METHOD
A system and method for managing a distributed energy resource (DER) within an indoor structure, the method including receiving a time window, receiving a power consumption limit, measuring an outdoor temperature, determining an indoor temperature of the indoor structure based at least on the measured outdoor temperature, the received power consumption limit, and the received time window, detemining a minimum time of operation of the DER so that a power consumption of the DER is equal to or below the received power consumption limit during the received time window without compromising the quality of service controlled by the DER.
F24F 11/65 - Electronic processing for selecting an operating mode
G05D 23/19 - Control of temperature characterised by the use of electric means
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
55.
CONTROL OF POWER RESOURCES BASED ON BATTERY STATE OF HEALTH AND OPERATION METRICS
Control of power resources based on battery state of health (SoH) and operation metrics includes estimating a SoH of a particular battery using an end-of-life SOH value and a kWh warranty value from battery catalog data and a battery kWh from battery throughput data; estimating battery capacity using the estimated SoH and a rated battery capacity from the battery catalog data; and estimating an allowable monthly throughput using a month warranty value, the kWh warranty value, the battery kWh, and number of operating months. Dynamic discharge cost is calculated using battery replacement cost data, the kWh warranty value, and the battery kWh. An optimal dispatch for operating the particular battery can be determined considering battery degradation using the estimated battery capacity, the estimated allowable monthly throughput, and the dynamic discharge cost. Dispatch commands can be output according to the determined optimal dispatch.
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
56.
METHODS OF BRAKING MOTORS AND MOTOR STARTERS EMPLOYING THE SAME
Pairs of phases of an AC power source are connected to pairs of phases of a motor in a first sequence that repeats at a first frequency. The motor is braked by connecting pairs of phases of the AC power source to pairs of phases of the motor in a second sequence that is reversed with respect to the first sequence and that repeats at a second frequency less than the first frequency. In further aspects, pairs of phases of an AC power source are connected to pairs of phases of a motor in a first sequence. All of the phases of the motor are subsequently disconnected from the AC power source for a predetermined dwell interval having a duration greater than a time constant of the motor, and thereafter the motor is braked by connecting pairs of phases of the AC power source to pairs of phases of the motor in a second sequence that is reversed with respect to the first sequence. Motor starters implementing such operations are also disclosed.
H02P 1/26 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
H02P 3/20 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor by reversal of phase sequence of connections to the motor
57.
ENGINE SYSTEM AND METHODS FOR DISPATCHING AND CONTROLLING DISTRIBUTED ENERGY RESOURCES
An engine system and methods for dispatching and controlling a plurality of distributed energy resources, e.g., a plurality of microgrids, involving: a server; a controller configured to operably couple with the server and the plurality of DERs; and at least one processor configured to operably couple with the server and the controller, the at least one processor configured to operate the server and the controller in an online mode and an offline mode, whereby at least one of forecast information and real-time information is providable, operational expense is reducible, and at least one new revenue generation avenue is establishable.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
G06Q 10/0631 - Resource planning, allocation, distributing or scheduling for enterprises or organisations
A power controller uses a combination of dynamic state of charge limits, dynamic charge/ discharge rates, battery degradation cost and dynamic peak shave limits to identify the optimal set-points to optimally control load and generating sources while being independent of any external forecasting module. By utilizing these configurable parameters, a power controller provides optimal savings ensuring reliable and sustainable operation of a micro-grid.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 9/00 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
59.
CABLE TRAY ASSEMBLY WITH SPLICE PLATE ASSEMBLY AND BONDING JUMPER
A cable tray assembly includes first and second cable tray sections each including a base and rails extending transversely from longitudinal sides of the base. A splice plate assembly is configured to engage the first and second cable tray sections for attaching the first cable tray section to the second cable tray section. A bonding jumper is attached to the splice plate assembly such that a first end of the bonding jumper is attached to a first splice plate and a second end of the bonding jumper is attached to a second splice plate whereby the bonding jumper is attached to the cable tray sections without forming holes in the cable tray sections. The splice plate assembly and bonding jumper providing an electrically conductive link between the cable tray sections.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
A cable tray including a pair of generally parallel spaced-apart side rails, each side rail defining a plurality of openings. Rungs extend between the rails at intervals spaced along the rails. Each rung includes at least two side walls. Each rung has opposite open ends generally aligned with respective openings in the side rails. End portions of each rung define a transverse opening. A plurality of snap plug fasteners fastens the rungs to the side rails. Each snap plug fastener includes a main body abutting an outboard surface of one of the side rails. A projection extends through one of the openings in the side rail and into one of the open ends of one of the rungs. The projection includes a barb received in one of the transverse openings in the rung.
B21D 39/04 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of tubes with tubesApplication of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of tubes with rods
B21D 39/06 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of tubes in openings, e.g. rolling-in
B21D 53/36 - Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
F16B 19/10 - Hollow rivetsMulti-part rivets fastened by expanding mechanically
F16L 3/26 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
61.
CIRCUIT INTERRUPTER WITH BRAKE SYSTEM FOR SHAFT THAT OPENS SEPARABLE CONTACTS
A circuit interrupter includes a frame, a set of separable contacts that can be generally stated as including a stationary contact and a movable contact, the stationary contact being affixed to the frame, a shaft movably situated on the frame, the movable contact being situated on the shaft, a drive system situated on the frame and operable to move the shaft with respect to the frame between a first position and a second position, the set of separable contacts being a CLOSED state in the first position of the shaft and being in an OPEN state in the second position of the shaft, and a brake that can be generally stated as including a mass movably situated on the frame, the shaft being structured to engage the mass and to cause the mass to be in motion when moving from the first position toward the second position.
An ultra-fast moving conductor for use with a circuit breaker is provided. The moving conductor includes a hollow outer stem and a removable core. Multiple removable cores are produced for use with the moving conductor for different purposes. The outer stem is produced from annealed copper that must be brazed before the circuit breaker is placed into operation, and a first removable core produced from copper is inserted into the outer stem to provide structural reinforcement to the outer stem during brazing. After brazing is complete, the copper core is removed from the outer stem, and a significantly lighter work hardened aluminum core is inserted into the outer stem. The lightweight aluminum core enables the moving conductor to open the circuit breaker much faster than the copper core would, and the copper core prevents contamination of the brazing furnace that would result from using the aluminum core during brazing.
A printed fuse fabrication is provided. The printed fuse includes a low thermal conductivity ceramic substrate and a fusible element printed on the substrate. The fusible element printed on the substrate includes a series of portions of reduced printed thickness, defining weak spots for fusible operation of the fusible element, respectively separated by portions of increased printed thickness.
A panelboard assembly (100) for a harsh (vibrations, heat, corrosion) and/or hazardous (explosion, flame and ignition risks) environment is provided. The panelboard assembly (100) includes a core assembly. The core assembly includes a main breaker assembly (102) configured to be electrically connected to a power supply, and a branch breaker assembly (104) electrically connected to the main breaker assembly (102) and configured to be electrically connected to one or more loads, and a power distribution heatsink assembly (106). The power distribution heatsink assembly (106) includes an electrically-conductive heatsink (402) having a first end and an opposing second end, the first end electrically connected to the core assembly and an electrically-nonconductive isolator (404) electrically insulating the heatsink (402).
A high voltage, direct current circuit protection system includes a number n of weakened circuit conductors connected in series to one another and being fabricated in a manner to avoid metal fatigue in response to cyclic current loads. The system also includes a corresponding number n of cutting elements operable to sever the respective weakened circuit conductors, at least one energy storage element acting upon one of the cutting elements, a control element causing a release of stored energy in the at least one energy storage element and causing a displacement of at least one of the cutting elements to sever the respective weakened circuit conductor, and a corresponding number n of arc chambers arranged proximate each respective one of the weakened circuit conductors, wherein n is an integer greater than 1 and wherein no circuit protector coordination with the weakened circuit protectors is required.
A plug for use in an electrical connector system includes a handle body assembly comprising a handle body and a flange disposed on an end of the handle body. The flange defines a plurality of openings. A sleeve assembly includes a sleeve and a flange disposed on an end of the sleeve. The flange on the sleeve defines a plurality of openings. The openings in the flange on the handle body are aligned with the openings in the flange on the sleeve. A contact assembly is disposed, at least partially, in the sleeve of the sleeve assembly. The contact assembly includes a contact holder and a plurality of contacts coupled to the contact holder. Fasteners extend through the aligned openings in the flanges to secure the handle body assembly to the sleeve assembly.
The switch contacts of a MEMS relay for a circuit interrupter are coated with a thin layer of liquid metal, and the MEMS relay is disposed in a sealed enclosure containing a gas medium. The gas medium provides an environmentally desirable alternative to sulfur hexafluoride (SFe), prevents oxidation of the liquid metal coating the relay switch contacts, and has sufficient dielectric strength in order to prevent current flow after separation of the switch contacts.
B81B 3/00 - Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
H01H 1/66 - Contacts sealed in an evacuated or gas-filled envelope, e.g. magnetic dry-reed contacts
H01H 36/00 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
H01H 50/28 - Parts movable due to bending of a blade spring or reed
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
68.
ELECTRICAL CONTACT SYSTEM WITH LIQUID METAL LAYER AND DIFFUSION BARRIER
An electrical contact system includes a first contact, a first diffusion layer disposed on the first contact, a first liquid metal layer disposed on the first diffusion layer, a second contact, a second diffusion layer disposed on the second contact, and a second liquid metal layer disposed on the second diffusion layer.
A charging apparatus is mountable to another structure and to be electrically connected with a source of electrical power. It includes a housing, a cable apparatus, and an electrical apparatus electrically connected with the source of electrical power to provide electrical power to an electric vehicle. The electrical apparatus can include a circuit interrupter apparatus including a circuit interrupter situated within an interior of the housing. The housing can include a retaining portion that protrudes outwardly from a perimeter of a base portion of the housing and is structured to retain at least a portion of the cable between the retaining portion and another structure to which the charging apparatus is mounted when the cable is at least in part wrapped about the perimeter.
A method of data transfer to a plurality of devices on a mesh network includes receiving bulk data at a proxy device in the mesh network; storing, at the proxy device, the bulk data; confirming, to a source of the bulk data, that the bulk data is received; after confirming that the bulk data is received, performing a transfer of the bulk data packet-by-packet to at least one other node in the mesh network; and performing a unicast communication to identify missing packets. The transfer can be or include a cascade transfer in which the data is transferred packet-by-packet to a next available node in the mesh network that itself passes a received packet to its next available node in the mesh network.
H04L 41/082 - Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
H04L 67/00 - Network arrangements or protocols for supporting network services or applications
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
H04L 67/568 - Storing data temporarily at an intermediate stage, e.g. caching
A power capacitor includes a body that defines an interior space; and at least one capacitive device in the interior space. The capacitive device includes a first electrode; and a second electrode separated from the second electrode. The power capacitor also includes a dielectric nanofluid in the interior space and between the first electrode and the second electrode, the dielectric nanofluid including: a base dielectric fluid; and nanoparticles dispersed in the base dielectric fluid.
A method of performing movement pattern anomaly detection with targeted alerts can include receiving input from each camera of a multi-camera system and for each input: performing video content analysis; generating a critical analysis matrix associated with the input from that camera; assigning a fusion value for each vector of the critical analysis matrix using a fusion map that indicates particular fusion values associated with possible elements of the critical analysis matrix; and triggering an alert according to whether the fusion value exceeds a threshold associated with that camera. The critical analysis matrix includes output from at least two different computer vision algorithms of the video content analysis applied to the input from a camera.
G08B 13/196 - Actuation by interference with heat, light, or radiation of shorter wavelengthActuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
73.
METALLIC CONDUIT ELECTRICAL DISCONTINUITY WIRELESS DETECTION SYSTEM AND METHOD
The present disclosure relates to wireless electrical discontinuity detection methods and systems, the systems including at least one conduit having an outer layer including an electrically conductive material, an electrical signal generator electrically coupled to the at least one conduit, the electrical signal generator being configured to deliver electrical signals to the outer layer of the at least one conduit, and a detector device in electrical communication with the electrical signal generator and configured to detect an electrical signal from the electrically conductive outer layer, the detector device being configured to identify at least one of electrical connection and ground discontinuity in the at least one conduit based on the detected electrical signal, wherein the detector device is in wireless communication with a control station.
A clamp assembly (100) for securing a conduit (300) to a strut (200), the clamp assembly includes a pair of brackets (102, 104), each bracket having a head section (120) and a tail section (122). The respective tail sections of the pair of brackets being configured to be received within the strut and the pair of brackets having respective apertures (130) formed in the respective head sections thereof. A bolt (106) has a shank (110) that is configured to be received within the respective apertures of the pair of brackets. A nut (108) has a bore (116) therein, the bore is configured to receive the shank of the bolt. Each of the respective apertures includes a pair of opposite, rounded surfaces (1345, 136) spaced from each other and connected by a pair of opposite, elongated surfaces (139, 140).
F16L 3/24 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special member for attachment to profiled girders
H02G 3/32 - Installations of cables or lines on walls, floors or ceilings using mounting clamps
75.
LIGHT PIPE APPARATUS AND ASSOCIATED ELECTRONIC DEVICE
The invention provides a light pipe apparatus usable in an electronic device having a housing, the housing having an interior, a number of illumination sources situated within the interior, and a light detector situated within the interior, the light pipe apparatus comprising a number of bodies comprising a first body formed as a single piece unit and formed of an at least partially translucent material, the first body comprising an indication light pipe that is structured to be situated adjacent the number of illumination sources and to communicate light from the number of illumination sources to an exterior of the housing, the first body further comprising a detection light pipe that is structured to communicate light from the exterior of the housing to the light detector. The light pipe apparatus further comprises a support that extends between the indication light pipe and the detection light pipe, the support comprising a tortuous illumination path that resists the transmission of light between the first light pipe and the second light pipe.
A power fuse with zinc-aluminum terminals is provided. The power fuse includes a housing having a first end and a second end. Coupled to the housing at the first end is a first terminal assembly fabricated from a zinc-aluminum alloy, and coupled to the housing at the second end is a second terminal assembly also fabricated from the zinc-aluminum alloy. The first and second terminal assemblies include a copper plating entirely covering an exterior of the zinc-aluminum alloy. A fuse element assembly is positioned inside the housing and is electrically connected between the first terminal assembly and the second terminal assembly.
H01H 85/045 - General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified cartridge type
A cooling device for use with circuit interrupters includes a housing structured to be coupled to a terminal of the circuit interrupter and formed with several ventilation openings, as well as a permanent magnet, a torque converter and a fan blade all contained within the housing. When the cooling device is coupled to a terminal of a circuit interrupter and current flows through the terminals of the circuit interrupter, parasitic magnetic fields are generated and induce oscillatory motion of the permanent magnet. The torque converter is coupled to the permanent magnet and converts the oscillatory motion of the magnet to rotational motion that rotates the fan blade. The fan blade is disposed near the ventilation openings of the housing so that air flow produced by rotation of the fan blade travels across the surface of the circuit interrupter terminal nearest the ventilation openings to increase convection.
A linear light fixture for use in a hazardous environment, the linear light fixture (100) includes a housing body (150) that defines a component compartment (182) therein that is configured to receive electrical components. The linear light fixture also includes a light engine (110) connected to the housing body (150) and includes a light emitting diode (112). The light engine (112) is pivotable with respect to the housing body (150) between a first position, wherein the light engine (110) encloses the component compartment (182), and a second position, wherein access is provided to the component compartment (182). The light engine (110) is separable from the housing body (150).
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
F21V 17/18 - Latch-type fastening, e.g. with rotary action
F21V 19/00 - Fastening of light sources or lamp holders
F21V 19/04 - Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
F21V 31/00 - Gas-tight or water-tight arrangements
79.
MULTIPARAMETER NONINVASIVE ARCHING DISCHARGE ANOMALY MONITORING DEVICE AND METHOD
A monitoring device is disclosed that is configured to monitor conditions within an electrical enclosure containing electrical equipment. The monitoring device comprises a support configured to couple to an interior surface of the electrical enclosure. The support is configured to hold and electrically couple a plurality of sensors, at least two RE antennas, at least one processor in communication with the plurality of sensors and the at least two RF antennas, and a power connection configured to receive electrical and Ethernet input. The at least one processor is configured to receive and analyze data obtained from the plurality of sensors and the at least two RF antennas pertaining to a plurality of conditions inside the electrical enclosure. The at least one processor is configured to detect a potential electrical equipment failure based on the received an analyzed data.
The present disclosure is directed to a support block assembly including a strut and an overmolded support block. The strut may include a base, and the support block may include an anchor coupled to the strut. The anchor includes a tang with the support block overmolded on the tang with the tang extending into and encased within the support block forming a bond between the tang and the support block. In an embodiment, the base may define at least one opening. The support block is overmolded on the strut such that the support block extends through at least one opening to form the bond between the strut and the support block. The strut may include a lower side defining a dovetail-shaped groove with the support block overmolded on the strut and extending into the dovetail-shaped groove to form a bond between the strut and the support block.
E04B 7/18 - Special structures in or on roofs, e.g. dormer windows
E04C 1/00 - Building elements of block or other shape for the construction of parts of buildings
F16L 3/223 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals each support having one transverse base for supporting the pipes
F16M 5/00 - Engine beds, i.e. means for supporting engines or machines on foundations
F16M 13/00 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles
81.
CONFIGURABLE CIRCUIT PROTECTOR WITH PRE-PROGRAMMED FIELD DEPLOYABLE ADAPTOR
An electrical circuit protection device a processor-based controller configured to operate at least one solid state switching element in a manner responsive to a variety of different time-current conditions to protect a plurality of different electrical loads. A field deployable adaptor device is configured to communicate with the controller. The controller is configured with at least one pre-preprogrammed control algorithm or at least one selected setting for a control algorithm executable by the controller. At least one pre-preprogrammed control algorithm or at least one selected setting are predetermined by a manufacturer of the circuit protector device.
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
A cable gland includes a gland nut defining a longitudinal axis. The gland nut includes an interior wall defining a gland nut opening. A bushing is disposed within the gland nut. The bushing defines a bushing opening configured to receive a cable therein. A compression limiting assembly includes a compression limiter moveably disposed at least partially within the gland nut. A spring is disposed between the compression limiter and the bushing. A body defines a body opening configured to receive at least a portion of the cable therein. The body is configured to couple to the gland nut. Upon coupling of the gland nut to the body, the gland nut moves along the longitudinal axis compressing the bushing between the gland nut and the compression limiting assembly and around the cable.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
83.
A FLIGHT CONTROL DEVICE AND METHOD FOR INCREASED RIGGING PRECISION
The present disclosure relates to a flight control device that can be mounted to a body of a wing of an aircraft to reduce or eliminate backlash in electromechanical actuators (EMAs). The flight control device can include a flight control member and first and second actuators for moving the flight control member relative to the wing of the aircraft. The first and second actuators can be mechanically isolated from one another except for their mutual connection to the flight control member. The first and second actuators can cooperate to apply torsional loading to the flight control member about an axis of the flight control member to reduce or eliminate backlash.
Currents may be balanced in an apparatus including first and second conductors electrically connected to a third conductor and configured to be coupled to respective first and second parallel-connected circuit breaker switches using at least one magnetic core positioned adjacent at least one of the first and second conductors to introduce an inductance in the at least one of the first and second conductors. The at least one core may include at least one magnetic material ring that at least partially surrounds the at least one of the first and second conductors. The at least one magnetic material ring may include a plurality of laminated layers of grain-oriented steel.
Various flight control components can be operated through gearbox driven rotary actuators. In the event of a jam occurring the gearbox, the gearbox can be decoupled from a surrounding support housing to enable free-trailing or limited motion relative to the support housing. The motion may or may not be damped. Decoupling the gearbox enables the flight control component to move to a neutral or non-interfering position even when user control over the component has been lost.
An apparatus includes at least one fuse clearing switch operable to create a fault on at least one AC line between a fuse and a transformer of a substation. The apparatus further includes a control system configured to be coupled to an arc detector and to operate the at least one fuse clearing switch responsive to a control signal produced by the arc detector.
H01H 83/20 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
H02H 7/04 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
A luminaire includes a core made up of a first material and an LED lighting arrangement mounted to the core. The luminaire further includes a housing made up of a second material. The second material is different from the first material. The housing including a recess in which the core is received. The housing further includes a finned part.
F21K 9/00 - Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
F21V 29/74 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
A system and method for testing no-back systems. In one embodiment, the system and method includes multiple actuators that are driven in an asynchronous manner as to impart internal forces that mimic external loads on the system. The actuators can be monitored to determine whether the no-back systems are performing as expected when loads are applied to the actuators.
A leakage detector is used with a cable tray run configured to support one or more electrical cables. The leakage detector includes an electrical conductor extending around the cable tray run generally transverse to a length of the cable tray run. A magnetic sensor is coupled to the electrical conductor. In use the leakage detector is configured to sense magnetic flux generated by current flowing through the one or more electrical conductors adjacent the leakage detector. More than one leakage detector can be used in a leakage detection system. The leakage detection system may further include a central computing device to determine if there is leakage current from the one or more electrical conductor in the cable tray run based on signals received from the leakage detectors.
A power fuse for protecting an electrical load subject to transient load current cycling events in a direct current electrical power system is provided. The power fuse includes at least one fuse element assembly that includes an elongated planar substrate, a plurality of fusible weak spots, and a conductor. The weak spots are formed on the substrate and are longitudinally spaced from one another on the substrate. The conductor is separately provided from the substrate and the weak spots. The conductor includes a solid elongated strip of metal having no stamped weak spot openings therein and therefore avoiding thermal-mechanical fatigue strain in the conductor when subjected to the transient load current cycling events. The solid elongated strip of metal includes coplanar connector sections that are mounted to respective ones of the weak spots and obliquely extending sections bent out of plane of the connector sections to extend above the substrate.
The present disclosure relates generally to a "clocking" mechanism that give customers the flexibility to adjust light output distribution of luminaires to a desired level. The "clocking" mechanism gives the flexibility to adjust a position of a retainer ring of a LED system with respect to a mounting module that includes a heat sink adapter housing.
An angle aiming mechanism for a light assembly. The angle aiming mechanism including a body, a gear rotational coupled to the light assembly and an angle adjuster movable between a first position and a second position. The angle adjuster engaging the gear when the angle adjuster is in the first position. The angle adjuster disengaging the gear when the angle adjuster is in the second position. The angle adjuster configured such that rotation of the angle adjuster in the first position changes an angle of the light assembly relative to a reference plane.
A method of assessing health risk in an environment is provided. The method is implemented with at least one health risk assessment computing device in communication with at least one environmental sensor and at least one proximity monitoring assembly each including a proximity sensor. The method includes computing an environmental risk score based on environmental data received from the at least one environmental sensor, and estimating a distance between the at least one proximity monitoring assembly and another proximity monitoring assembly based on proximity data received from the at least one proximity monitoring assembly. The method also includes comparing the estimated distance with a proximity threshold corresponding to the environmental risk score, and recommending personal protection measures based on the comparison and the environmental risk score.
A62B 99/00 - Subject matter not provided for in other groups of this subclass
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
G16H 50/80 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for detecting, monitoring or modelling epidemics or pandemics, e.g. flu
95.
HEAT SINK FOR LUMINAIRE AND LUMINAIRE ARRANGEMENTS HAVING A HEAT SINK
A heat sink for a luminaire includes a central portion having a top surface and a bottom surface. The bottom surface is adapted to receive a lighting arrangement. The heat sink further includes a plurality of arms configured to dissipate heat generated by the lighting arrangement. The plurality of arms extend radially outward from the central portion. Each one of the plurality of arms is substantially arcuate between a proximal end and a distal end.
F21K 9/00 - Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting deviceSnap action mounting
F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
F21V 29/83 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
A transformer assembly (240_1) includes: a first switching apparatus (210A_1) configured to be electrically connected to a first segment (205_1) of a transformer loop; a second switching apparatus (210B_1) configured to be electrically connected to a second segment (205_2) of the transformer loop; and a transformer including: a first coil (231_1) electrically connected to the first switching apparatus and the second switching apparatus; and a second coil (232_1) electrically connected to an output configured to electrically connect to a load (203_1).
H01F 27/40 - Structural association with built-in electric component, e.g. fuse
H02P 13/06 - Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changingArrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by rearranging interconnections of windings
A union body for a cable gland includes a body having a generally cylindrical shape defining an interior surface and a passage extending though the body from a first end to a second end of the body. A groove is formed on the interior surface of the body. The groove is configured to mate with an exterior surface of a cable received in the passage of the body.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
A condulet assembly for fabricating a metal conduit raceway of an electrical system is provided. The condulet assembly includes a condulet and a clamp assembly. The condulet includes a condulet body and a mouth including a mouth wall. The mouth wall further includes a plurality of first sloped recesses positioned circumferentially in an interior of the mouth wall, each of the plurality of first sloped recesses including a first slope that has a first end and a raised end positioned opposite the first end and more distal to the rim than the first end. The clamp assembly includes a clamp ring and a plurality of clamps each including a longitudinal portion and a claw, the longitudinal portion extending longitudinally from the clamp ring, and the claw extending transversely and inwardly from the longitudinal portion. Each of the clamps is sized to be received in one of the first sloped recesses.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
A pull box for accepting cable in electrical wiring installations includes a main body. The main body includes a first leg, a second leg, and a bridge portion spanning between and interconnecting the first leg and the second leg. The first leg, the second leg, and the bridge portion form a U-shape and define an interior space. The pull box further includes a cover. The cover is movable relative to the housing to transition the pull box between an open state and a closed state. The cover permits access to the interior space when the pull box is in the open state and prevents access to interior space when the pull box is in the closed state
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
100.
HEALTH STATUS OF AN INTERNAL POWER SOURCE OF A FAULTED CIRCUIT INDICATOR
A faulted circuit indicator includes: a power source; a sensor system configured to measure a voltage at the power source and a temperature at the power source; a controller coupled to the sensor system. The controller is configured to determine a health status of the power source based on the measured voltage at the power source and the measured temperature at the power source. The faulted circuit indicator also includes an indicator module coupled to the controller. The indicator is configured to provide an indication of the health status of the power source.
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