A method is disclosed for charging an EV by an EVSE and a respective apparatus. The method includes establishing a physical connection between the EV and the EVSE, initiating a payment authentication process, recognizing, by the EVSE, an EV identifier, entering an energy transfer stage and providing the price for charging on a display. A payment authentication state is defined for the payment authentication process. The payment authentication state includes at least an ongoing state and an approved state. The energy transfer stage is entered irrespective of whether the payment authentication state is the ongoing state or the approved state. The price for charging is provided on a display mounted to the housing of the EVSE.
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/18 - Cables specially adapted for charging electric vehicles
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
G06Q 20/40 - Authorisation, e.g. identification of payer or payee, verification of customer or shop credentialsReview and approval of payers, e.g. check of credit lines or negative lists
2.
RECTIFIER AND METHOD OF DETECTING FAULTS IN A RECTIFIER
A rectifier is disclosed. The rectifier includes at least two semiconductor devices connected in parallel. A first conductor is provided in series with a first one of the at least two semiconductor devices, wherein the first conductor forms a first winding of a coupled inductor. A second conductor is provided in series with a second of the at least two semiconductor devices, wherein the second conductor forms a second winding of the coupled inductor. The first winding and the second winding each include a corresponding number of turns arranged in an antiparallel manner. A third conductor having a first and a second node, wherein the third conductor forms a third winding of the coupled inductor. An indicator circuit is connected to the first and second node, wherein the indicator circuit is configured for indicating a presence of an electrical signal, and for sending a warning signal.
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
The present disclosure relates to a cooling system and a charging pile. The cooling system includes at least one fan configured to draw airflow from the radial outside during operation and discharge the drawn airflow in the axial direction. At least one radiator, each radiator of the at least one radiator being disposed to circumferentially surround a corresponding fan of the at least one fan. The radiator includes a curved section that at least partially follows the contour of the corresponding fan and includes a plurality of radiator fins arranged in a stacked manner relative to one another along the axial direction. A gap is formed between at least one pair of adjacent radiator fins in the height direction perpendicular to the circumferential direction and the axial direction, the gap allowing airflow to flow from the circumferential outside of the radiator toward the circumferential inside of the radiator.
An inverter includes a DC bus connectable to a DC power source and having a first leg and a second leg, and a plurality of electronic switches connected in series. A first one of the electronic switches being connected to the first leg and a second one of the electronic switches being connected to the second leg, and the plurality of electronic switches defining a plurality of intermediate switch nodes therebetween. A voltage divider is connected to the first leg and the second leg, the voltage divider including a plurality of capacitors connected in series and defining at least one first partial voltage node, at least one first-level clamping diode pair, each first-level clamping diode pair including at least two diodes connected in series and defining a diode node in between the at least two diodes, the diode node being connected to the at least one first partial voltage node.
H02M 7/483 - Converters with outputs that each can have more than two voltage levels
H02M 7/539 - 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 with automatic control of output wave form or frequency
7.
CHARGER SYSTEM AND METHOD OF ASSEMBLING A CHARGER SYSTEM
A charger system is disclosed. The charger system includes a stationary base including a base connector electrically connectible to an electrical supply line and a base guide. The charger system further includes a detachable charger top including a charger device, a top connector electrically connected to the charger device, and a top guide. When the charger top is mounted to the base, the top guide is configured to mate with the base guide such as to bring the top connector and the base connector into a predetermined positional relation to each other.
A controller unit is disclosed for controlling an electric vehicle supply equipment (EVSE) with one or more hardware modules for charging an electric vehicle. The controller unit includes a processing unit configured to detect one or more hardware modules of the EVSE, the processing unit is configured to determine a configuration of the electric vehicle supply equipment, the configuration including data indicative of the detected hardware modules of the EVSE. The controller unit is configured to dynamically determine a control scheme of the EVSE based on the determined configuration of the EVSE, and the controller unit is configured to include selected control routines in the control scheme, the selected control routines being selected from the stored control routines based on the determined configuration of the EVSE. The controller unit is configured to control the EVSE based on the determined control scheme.
A DC charging distribution unit includes a first primary-side terminal for receiving a first input current from a power unit, a secondary-side DC vehicle connection terminal connectible to a vehicle for providing a vehicle charging current, a first secondary-side power sharing terminal connectible to another DC charging distribution unit for providing a sharing current to the other DC charging distribution unit, and a current distributor operably selected between a vehicle-charging configuration and a power-sharing configuration.
A DC charging distribution unit includes a first primary-side terminal for receiving a first input current from a power unit, a secondary-side DC vehicle connection terminal connectible to a vehicle for providing a vehicle charging current, a first secondary-side power sharing terminal connectible to another DC charging distribution unit for providing a sharing current to the other DC charging distribution unit, and a current distributor operably selected between a vehicle-charging configuration and a power-sharing configuration.
A DC charging system includes at least one power unit including at least one power terminal and at least a first and second distribution unit. The distribution units are each spaced apart from the power unit by at least a first distance. The neighboring distribution units are spaced from each other by a second distance and are connected to one another at their secondary-side power sharing terminals and are electrically connected, to the power unit.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/67 - Controlling two or more charging stations
An electric vehicle charging infrastructure is provided which includes an electric vehicle supply equipment (EVSE) for charging an electric vehicle (EV) and a policy configurator. The EVSE includes a human-machine interface (HMI) for interacting with a user, a payment subsystem for processing payments, a charging subsystem for charging the EV, and a master event processor. The policy configurator is configures a policy set and for sending the policy set to the master event processor. The master event processor receives event data from the HMI and the payment subsystem and in response to the received event data, controls operation of the HMI and of the payment subsystem according to a workflow based on the policy set. The workflow specifies a respective action for enabling a charging operation in response to the at least one non-critical anomaly event.
An electric vehicle charging infrastructure is provided which includes an electric vehicle supply equipment (EVSE) for charging an electric vehicle (EV) and a policy configurator. The EVSE includes a human-machine interface (HMI) for interacting with a user, a payment subsystem for processing payments, a charging subsystem for charging the EV, and a master event processor. The policy configurator is configures a policy set and for sending the policy set to the master event processor. The master event processor receives event data from the HMI and the payment subsystem and in response to the received event data, controls operation of the HMI and of the payment subsystem according to a workflow based on the policy set. The event data include at least one non-critical anomaly event, and the workflow specifies a respective action for enabling a charging operation in response to the at least one non-critical anomaly event.
The present disclosure concerns a method for charging or discharging an EV battery of an electrical vehicle (EV) using an electrical vehicle supply equipment (EVSE). The method comprises electrically coupling an EVSE charging interface conductor of the EVSE to an EV charging interface conductor of the EV. The method further comprises determining an EV present voltage provided by the EV battery at the inlet; and at least one of electrically charging or discharging the EV battery by the EVSE. The charging includes applying a charging voltage to the connector and limiting the charging voltage V by an upper voltage limit and wherein the discharging includes applying a charging voltage to the connector and limiting the charging voltage by a lower voltage limit. The upper voltage limit is determined as a function of the EV present voltage.
Example of embodiments of the present disclosure relate to a magnetic apparatus and a charging device. The magnetic apparatus comprises: a heat-generating component; a housing enclosing an inner space and comprising an opening through which the heat-generating component can enter the inner space so as to be accommodated within the housing, wherein a sealing material is provided between an inner wall of the housing and the heat-generating component, such that heat generated by the heat-generating component can be transferred to the housing via the sealing material; and a heat-exchange cover provided on the opening of the housing to close the opening, such that heat generated by the heat-generating component can further be transferred away from the housing via the heat-exchange cover. Embodiments according to the present disclosure may improve the reliability of the magnetic apparatus with a high protection grade.
The present disclosure relates to a ventilation panel for a charging station, particularly an electric vehicle charging station, wherein the ventilation panel comprises a louver support, and a plurality of louver blades supported by the louver support. The louver blades have a sheet-like shape with a downstream trailing edge portion and an upstream leading edge portion. The louver blades additionally have a bent shape in a cross-sectional side view, wherein the louver blades are supported such that the louver blades define a louver plane and a normal direction being orthogonal to the louver plane. In the cross-sectional side view, the upstream leading edge portion defines a smaller angle with respect to the normal direction than the downstream trailing edge portion.
Embodiments of the present disclosure relate to a multi-level converting apparatus comprising: a controllable DC source configured to regulate its output voltage; and a multi-level flying capacitor converter connected to an output of the controllable DC source and having one or more flying capacitors; wherein the multi-level converting apparatus is configured such that a pre-charging voltage increases while a pre-charging current decreases during a pre-charging state for the one or more flying capacitors.
H02M 7/483 - Converters with outputs that each can have more than two voltage levels
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
18.
CHARGING COUPLER FOR COUPLING AN ELECTRIC VEHICLE, EV, TO AN ELECTRIC VEHICLE SUPPLY EQUIPMENT, AND METHOD OF OPERATING SAME
Presently disclosed is a charging connector for an electric vehicle supply equipment (EVSE). The charging connector comprises a primary contact element and a secondary contact element for electrical connection to a counter-coupler contact element of an electric vehicle (EV) counter-coupler when the charging connector and the counter-coupler are connected to each other. The charging connector further comprises an insulating element electrically separating the primary and secondary contact elements from each other; and a measurement circuit configured to measure an electrical parameter of an electrical path formed by the primary contact element, the counter-coupler contact element and the secondary contact element when the charging connector and the counter-coupler are connected to each other.
A method of operating an electric vehicle supply equipment (EVSE), the method comprising receiving EVSE field data collected during a plurality of field charging processes of respective field vehicles by a field EVSE. The EVSE field data includes, for each of the field charging processes, respective current and voltage data representing time-dependent current and voltage applied for charging the field vehicle during the respective field charging process. The method further comprises identifying a vehicle type of the field vehicle based on the EVSE field data and configuring a vehicle charging profile for the identified vehicle type using the EVSE field data. The vehicle charging profile describes a charging behavior of the identified vehicle type, whereby parameters of a charge curve for the identified vehicle type are adjusted using the EVSE field data. The method further comprises operating the EVSE using the vehicle charging profile.
A method of bidirectional DC conversion in a series resonant converter (SRC) and a corresponding SRC are provided. The SRC comprises a primary side, a secondary side and a tank having a resonant frequency and a resonant impedance. Each side has a DC terminal and a bridge circuit connected to the DC terminal and to the tank, and is adapted to be cyclically activated to convert power between the DC terminal and the tank. The method comprises operating the SRC for a power flow from one of the primary and secondary sides to the other side by activating the bridge circuit of at least the one side at a first switching frequency; changing operation of the SRC for increasing the impedance of the tank; and reversing the direction of the power flow, so that the SRC is operated for a power flow from the other side to the one side.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/00 - Conversion of DC power input into DC power output
21.
VEHICLE CHARGING STATION AND METHOD OF MONITORING A CONNECTOR OF A VEHICLE CHARGING STATION
In one aspect, a charging station is provided. The charging station includes a controller, a direct current (DC) power source configured to provide a charging power for charging an electric vehicle, a charging cable with a connector configured to electrically contact a vehicle inlet of the electric vehicle, a connector holder with a station inlet configured to electrically contact the connector when the connector is inserted into the connector holder, and a contact resistance sensor electrically connected to the station inlet. The contact resistance sensor configured to measure a resistance of at least one electrical contact formed between the connector and the station inlet. The controller is configured to cause the DC power source to provide a measuring power while the connector is inserted into the connector holder so that a measuring current flows between the connector and the station inlet, and receive a resistance value from the resistance sensor.
B60L 53/68 - Off-site monitoring or control, e.g. remote control
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/18 - Cables specially adapted for charging electric vehicles
A holder for a charging gun includes a housing configured for receiving an end portion of a charging gun such that connector pins located at the end portion of the charging gun are completely covered by the housing of the holder, a protecting means configured for holding the charging gun in a designated position, and a connecting means that is configured for attaching the housing to a cable.
Embodiments of the present disclosure relate to a method and an apparatus of determining a working condition of a fan. The method of determining the working condition of the fan comprises: obtaining a sound of the fan while the fan is in operation; transforming a time domain signal of the sound into a frequency domain signal; and determining a working condition of the fan from the frequency domain signal and the time domain signal of the sound based on a trained model. According to example embodiments of the present disclosure, the working condition of the fan can be determined in a non-invasive manner.
F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
G10L 25/51 - Speech or voice analysis techniques not restricted to a single one of groups specially adapted for particular use for comparison or discrimination
G10L 25/00 - Speech or voice analysis techniques not restricted to a single one of groups
24.
COOLING DEVICE AND ELECTRIC DEVICE INCLUDING THE SAME
A cooling device (100) and an electric device. The cooling device (100) comprises: a first heat exchange device (10), arranged adjacent to an air inlet of an electric device and configured to dissipate heat from a first heat source (204) arranged at a distance from the first heat exchange device (10); and a first heat conductive element (114), configured to transfer heat from the first heat source (204) to the first heat exchange device(10). The heat dissipation efficiency is greatly improved. Moreover, space is saved by eliminating the need for separate heat sink for the first heat source (204).
A converter for transferring power from a medium-voltage, MV, to a low-voltage, LV, side is provided. The converter includes at least one DC/AC cell with a MV AC terminal configured for generating an AC voltage from a MV DC voltage, and includes at least one AC/DC cell with a LV AC terminal configured for generating a DC voltage from a LV AC voltage. The converter has a magnetic core with a LV winding, and a LV terminal connected to the LV AC terminal, additionally with a magnetic core with a MV winding, and a MV terminal connected to the MV AC terminal. The converter includes an auxiliary unit with an auxiliary winding, and an auxiliary terminal connected to control circuits for operating the MV DC/AC cell. Galvanic insulation between the LV and the MV winding and the auxiliary winding is configured to withstand the Basic Insulation Level of the converter.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
A communications interface between electric vehicle supply equipment and an electric vehicle is provided. The communication interface includes a first connection configured to connect to a controller of the electric vehicle supply equipment and a second connection configured to connect to a controller of the electric vehicle. The communication interface further includes a plurality of communication conductors coupled between the first and second connections for communication between the controller of the electric vehicle supply equipment and the controller of the electric vehicle. The controller of the electric vehicle supply equipment is configured to supply power to the controller of the electric vehicle over one or more of the plurality of communication conductors.
A helicoidal guide is provided. The helicoidal guide is configured and shaped for cooling an inductor and/or a transformer with a core and a first coil having a spatial gap between the core and the first coil, the helicoidal guide being placeable within the spatial gap and configured to guide a flow of coolant through the spatial gap, wherein the coolant is in direct contact with the core and/or the first coil.
A motion system includes a linear actuation system having a plurality of actuators of a first-type and at least a first kinematic link connected by an eighth joint to the plurality of first-type actuators; a first subsystem comprising a linear actuation system connected to a fourth kinematic link by a first revolute joint; a second subsystem comprising the first subsystem connected to a ground plate, the linear actuation system connected to the ground plate by a third joint and to a fifth kinematic link by a fourth joint. The second kinematic link is connected to the first subsystem; a wrist element is connectable to at least one tool element, wherein the wrist element is connected to the second subsystem, wherein the wrist element and the second subsystem generate a coordinated movement such that the tool element is movable relative to the ground plate.
A belt includes a plurality of elements connected to each other having a first link element and at least a second link element connected to each other by a connecting bridge member; wherein each of the link elements has a body from which a first bump element and opposite to the first bump element a second bump element elevates; wherein both bump elements are configured in a tooth-like shape; and at least a flat-shaped inlay element of a flexible material that is embedded inside the belt in the first link element and the connecting bridge member.
A belt actuator system includes at least a drive unit, a belt zipper system configured to form a third belt element in a zip-fastening manner of a first belt element and a second belt element comprising: a guiding arrangement configured to move the first belt element and the second belt element in a synchronous manner; a first zip-fastening arrangement, wherein the first zip-fastening arrangement is configured to connect a first part of the first belt element with a second part of the second belt element in a zip-like manner to obtain the third zip-fastened belt element, and wherein the drive unit is connected to the first zip-fastening arrangement configured to drive the first zip-fastening arrangement.
In one aspect, a controller for managing a participation of an electric vehicle charging station comprising a plurality of electric vehicle supply equipment in grid support of an electric grid is provided. The controller comprises at least one processor configured to estimate a maximum charging power supplied by the plurality of electric vehicle supply equipment over a time period, identify a demand response request for the electric vehicle charging station to participate in a demand response program for the electric grid during the time period, and generate, based on the estimate and in response to the demand response request, at least one charging profile for one or more of the plurality of electric vehicle supply equipment of the electric vehicle charging station.
A method of managing charging of an EV at a charger is provided. The method includes receiving charging information of a charging session of an EV at a charger, wherein the charging information includes a desired SOC and a vehicle type of the EV. The method also includes obtaining charging curves of a battery of the EV based on the vehicle type, receiving an electricity pricing for the charger, and optimizing a charging schedule based on the charging curves and the electricity pricing. The charging schedule includes price periods and corresponding charging power during the price periods. Optimizing a charging schedule further includes prioritizing charging power for the price periods according to the electricity pricing of the price periods. Further, the method includes outputting the optimized charging schedule.
An adapter for an electric charging system of an electric vehicle is provided. The adapter includes an input interface configured to couple to a charger, an output interface configured to couple to a charging inlet of an energy storage device, and at least one power conductor connected to the input interface and to the output interface. The least one power conductor is configured to convey current between the charger and the charging inlet. The adapter further includes a communication conversion unit configured to receive a first communication signal transmitted from the charger via the input interface, the first communication signal having a first protocol, translate the first communication signal to a second communication signal having a second protocol, and transmit the second communication signal to the charging inlet via the output interface.
In one aspect, a method of managing a participation of a virtual power plant (VPP) comprising a plurality of electric vehicle supply equipment (EVSE) in an ancillary service market for an electric grid is provided. The method comprises generating a bid for participating in the ancillary service marked over a time period, transmitting the bid to the ancillary service market, receiving a response from the ancillary service market indicating that the bid was accepted, and identifying a request from the ancillary service market for the VPP to provide grid support to the electric grid during the time period. The method further comprises generating, based on the bid and in response to the request, at least one charging profile for one or more of the EVSEs, and providing the at least one charging profile to the one or more of the EVSEs to implement the request for grid support.
A cooling system for electric vehicle charging infrastructure exhibits a centralized cooling arrangement in which heat is collected from a plurality of heat-generating components of the EVCI and dissipated into the surrounding environment via a common outlet. The cooling system comprises: a thermal energy storage element configured to act as a buffer for temporarily storing the heat collected from the plurality of heat-generating components; and a primary heat exchanger serving as the common outlet, wherein the primary heat exchanger is configured to dissipate the heat temporarily stored by the thermal energy storage element with the surrounding environment.
Embodiments of the present disclosure provide a power conversion device, an electric vehicle charging system, and a method of controlling the power conversion device. The power conversion device includes a first power converter and a second power converter; a resonant converter coupled between the first power converter and the second power converter; and a controller. The controller being configured to control the first power converter to perform conversion between an AC voltage or a first DC voltage and a second DC voltage. The controller being configured to control the resonant converter to operate at a predetermined resonant frequency to perform conversion between the second DC voltage and a third DC voltage. The controller being configured to control, based on the voltage information, the second power converter to perform conversion between the third DC voltage and a fourth DC voltage.
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H02M 3/00 - Conversion of DC power input into DC power output
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
37.
DC CHARGING CABLE ASSEMBLY FOR CHARGING AN ELECTRICAL VEHICLE, DC CHARGING SYSTEM FOR CHARGING AN ELECTRICAL VEHICLE AND METHOD FOR CHARGING AN ELECTRICAL VEHICLE
A DC charging cable assembly for charging an electrical vehicle is provided. The charging cable assembly includes a cable, including a plurality of first-polarity conductors, a plurality of second-polarity conductors, and a magnetic shielding. In a cross-section of the cable, the first-polarity conductors and the second-polarity conductors are arranged circumferentially in an interleaved arrangement. The magnetic shielding radially surrounds the interleaved arrangement of the first-polarity conductors and the second-polarity conductors. The charging cable assembly includes a first connector at a first end of the cable configured to connect the cable to a power source, the connector being configured for connecting the first-polarity conductors to a first-polarity voltage and connecting the second-polarity conductors to a second-polarity voltage.
B60L 53/18 - Cables specially adapted for charging electric vehicles
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
38.
FLUID CHANNEL ASSEMBLY FOR A CONNECTOR OF A CHARGING GUN, CONNECTOR, CHARGING GUN, CHARGING STATION AND METHOD OF COOLING A CONTACT PIN OF A CONNECTOR OF A CHARGING GUN
A fluid channel assembly for a connector of a charging gun for an electric vehicle is provided. The fluid channel assembly includes a fluid channel network for cooling a contact pin of the charging gun. The fluid channel network is arranged around the contact pin and is in direct or indirect contact with the contact pin. Further, the fluid channel assembly includes a fluid inlet connected to the fluid channel network via a first single fluid transfer channel. The fluid inlet is configured to receive a coolant through a charging cable and to inject the coolant into the fluid channel network. A fluid outlet connected to the fluid channel network via a second single fluid transfer channel is provided. The fluid outlet is configured to receive the coolant from the fluid channel network and to inject the coolant into the charging cable.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
H01B 7/29 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame
H01R 13/533 - Bases or cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
39.
RECTIFIER AND METHOD OF DETECTING FAULTS IN A RECTIFIER
A rectifier including at least two semiconductor devices connected in parallel, a first conductor provided in series with a first one of the at least two semiconductor devices, the first conductor forming a first winding of a coupled inductor, and a second conductor provided in series with a second of the at least two semiconductor devices, the second conductor forming a second winding of the coupled inductor. The first winding and the second winding each include a corresponding number of turns arranged in an antiparallel manner so that magnetic fields generated by the first winding and the second winding in the coupled inductor are mutually opposite when a current flows through the at least two semiconductor devices. The rectifier further includes a third conductor having a first and a second node, wherein the third conductor forms a third winding of the coupled inductor, and an indicator circuit connected to the first and second node. The indicator circuit is configured for indicating a presence of an electrical signal at the first and second node, and for sending a warning signal when powered by a current received by the indicator circuit from the third conductor.
H02M 1/32 - Means for protecting converters other than by automatic disconnection
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
40.
A MULTI-LEVEL POWER CONVERTOR, A MULTI-PHASE POWER CONVERTING CIRCUIT AND A METHOD FOR A MULTI-LEVEL POWER CONVERTOR
A multi-level power convertor is provided. The multi-level power convertor includes a DC port, an AC port, a first power converting unit coupled to the DC port and including a first AC terminal adapted to provide a first plurality of voltage levels, a second power converting unit coupled to the DC port and including a second AC terminal adapted to provide a second plurality of voltage levels of the same number as the first plurality of voltage levels, a coupling inductor including first and second windings with the same number of turns, and an inductive filtering unit arranged between the AC port and the second and fourth ends of the first and second windings.
H02M 7/493 - 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 the static converters being arranged for operation in parallel
41.
CONVERTER AND METHOD OF CONVERTING A MEDIUM VOLTAGE AC POWER INTO A LOW VOLTAGE DC POWER
A converter for converting a medium voltage AC power into a low voltage DC power is provided. The converter includes a line interphase transformer having at least one core, a plurality of coils provided on the at least one core and configured for receiving the medium voltage AC power, and at least one auxiliary winding provided on the at least one core and inductively coupled to the medium voltage AC power by the core. The line interphase transformer is configured for generating a plurality of phase-shifted AC powers from the medium voltage AC power. The converter further includes a rectifier configured for generating a medium voltage DC power from the plurality of phase-shifted AC powers, and a DC/DC converter stage including a switching stage and a converter transformer. The DC/DC converter stage is configured for generating a low voltage DC power from the medium voltage DC power.
H02M 7/219 - Conversion of AC power input into DC 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 in a bridge configuration
A converter is provided. The converter includes at least one medium voltage stage including an inverter circuit, at least one medium frequency transformer, a first winding of the transformer being electrically connected to the medium voltage stage, at least one DC output stage, the DC output stage being electrically connected to a second winding of the medium frequency transformer, and a plurality of containers having a volume. Each container is configured for holding an insulating fluid inside the volume. Each container has provided within the container one of the at least one medium frequency transformer to be electrically insulated by the fluid. The container includes at least one connector for fluidly connecting the volume with a fluid circuit. A first container of the plurality of containers is fluidly connected to a second container of the plurality of containers via the connector.
An inverter is described. The inverter includes a DC bus connectable to a DC power source and having a first leg and a second leg, a plurality of electronic switches connected in series, a first one of the electronic switches being connected to the first leg and a second one of the electronic switches being connected to the second leg, the plurality of electronic switches defining a plurality of intermediate switch nodes therebetween, a voltage divider connected to the first leg and the second leg, the voltage divider comprising a plurality of capacitors connected in series and defining at least one first partial voltage node, at least one first-level clamping diode pair, each first-level clamping diode pair comprising at least two diodes connected in series and defining a diode node in between the at least two diodes, the diode node being connected to one of the at least one first partial voltage node. At least one diode of the first-level clamping diode pair is connected, at a side of the diode other than the diode node, to an intermediate switch node to define a first partial clamped voltage at the intermediate switch node. The inverter further includes at least one flying capacitor connected in parallel to first-level clamping diode pair. The electronic switches are grouped into high-side switches and low-side switches. Control inputs of the high-side switches are functionally connected to simultaneously switch all of the high-side switches, and control inputs of the low- side switches are functionally connected to simultaneously switch all of the low-side switches. The inverter is configured for generating a 2-level AC output power.
A cable management system for an electric vehicle charging station is provided. The cable management system includes a pulley rotatably mounted to a support structure. The pulley has a first portion with a first guide groove with a constant radius and a second portion with a second guide groove with a dynamic radius provided around a rotation axis of the pulley. Further, the cable management system includes a charging cable having a first end connected to a charging connector and a second end connected to a power supply. A first wire is guided within the first guide groove. Additionally, the cable management system includes a mechanical counterforce system configured for counteracting at least a weight of the charging cable between the pulley and the charging connector, wherein the mechanical counterforce system is connected with the pulley via a second wire guided within the second guide groove.
The present disclosure provides a forced symmetry IMD and a method to control the forced symmetry IMD. The system comprises an electric system power source configured to deliver electrical power to a bus, the bus including a first bus bar and a second bus bar; a common node connected across the first bus bar and the second bus bar, the common node having a common voltage; and a forced symmetry insulation monitoring device (IMD) disposed along an IMD node connected to at least one of the first bus bar and the second bus bar, the forced symmetry IMD comprising a connection to ground and one or more IMD power sources, wherein the one or more IMD power sources of the forced symmetry IMD is configured to control the common voltage on the common node based on a currently detected common voltage and a reference voltage signal.
In one embodiment, a transformer is provided. The transformer comprises a transformer core having a first core leg having a first longitudinal axis and second core leg having a second longitudinal axis; a first low voltage (LV) winding portion arranged around the first core leg, and a second LV winding portion arranged around the second core leg; a high voltage (HV) winding having a first HV winding portion arranged around the first LV winding portion, and having a second HV winding portion arranged around the second LV winding portion, the HV winding comprising a link for electrically linking the first HV winding portion with the second HV winding portion, and the HV winding comprising a first HV connector and a second HV connector for connecting the HV winding to the outside of the transformer; and a casting embedding at least the HV winding and the link.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
47.
SYSTEMS AND METHODS FOR CONTROLLING A CHARGING SESSION
A charging control computing device for controlling charging of an energy storage device is provided. The charging control computing device includes a processor in communication with a memory device. The processor is configured to receive a charging request for the energy storage device, compute an extra charge amount by which to increase a charging limit of the energy storage device that minimizes a total expected power cost for a time period using an optimization algorithm, compute a charging limit based on an initial charging limit and the extra charge amount, and limit charge of the energy storage device to at or below the charging limit.
B60L 53/64 - Optimising energy costs, e.g. responding to electricity rates
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 58/13 - Maintaining the SoC within a determined range
A charging control computing device for controlling charging of electric vehicles for grid services is provided. The charging control computing device includes at least one processor in communication with at least one memory device. The at least one processor is programmed to receive a charging request from an electric vehicle at a charging point. The at least one processor is also programmed to generate a command based on a parametric model between the command and output power, wherein the command is a maximum amperage of current output to the electric vehicle at the charging point, and the output power is power output to the electric vehicle from the charging point. The at least one processor is further programmed to output the command to the charging point.
In one aspect, a monitoring system for minimizing capacity-based electric costs for a utility service location is disclosed. The monitoring system is configured to identify a first peak electrical power delivered to the utility service location by an electric utility during a current capacity period, identify a second peak electrical power delivered to the utility service location by the electric utility during a prior capacity period, and calculate, based on the first peak electrical power and the second peak electrical power, an initial capacity limit. The monitoring system is further configured to identify an electrical power currently being provided to the utility service location by the electric utility, and dynamically vary a charging profile of at least one of an electric vehicle and a battery energy system electrically coupled to the utility service location to limit the electrical power currently being provided at or below the initial capacity limit.
An electric Vehicle Supply Equipment (EVSE) multichannel insulation monitoring device (MIMD) for insulation monitoring or earth leakage current monitoring, wherein the EVSE multichannel insulation monitoring device comprises multiple monitoring channels and wherein the EVSE multichannel insulation monitoring device includes a control and monitor device configured to individually monitor the insulation or earth leakage current of each monitoring channel.
An electric charging system includes an automatic connection device (ACD) outside a chargeable device. The ACD is electrically coupled to an energy source and includes a plug head electrically and mechanically connectable to the chargeable device and a first mechanism that positions the plug head at an inlet. The head includes a plug head connector with electrically conductive pins and a plug head lock with a first shape. The inlet includes electrically conductive sockets complementary to the electrically conductive pins; a plug head coupler including a shape that is complementary to the first shape and mechanically couples with the plug head via the plug head lock; and a second mechanism that mechanically and electrically couples the pins to the sockets. The second mechanism can produce a force greater than the first mechanism, and the first mechanism moves with greater translational and rotational precision than the second mechanism.
H01R 13/633 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure for disengagement only
H01R 43/26 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
A cooling arrangement for being arranged between a charging connector of an electric vehicle charging system and a charging socket of an electric vehicle includes a power link that is electrically and thermally conductive and configured for being arranged between a charging contact of the charging connector and a socket contact of the charging socket, wherein the power link is thermally connected to a cooling unit.
A DC contactor arrangement for bidirectional power switching includes a DC+ contactor for connecting a power source with a load, and a DC− contactor for connecting the power source with the load. At least one of the DC+ or DC− contactors is a unidirectional DC contactor. The DC+ contactor and the DC− contactor are configured to be switched at different times, when the DC+ contactor and the DC− contactor are under load.
The invention relates to a DC/DC converter (200) comprising a primary side and a secondary side, the primary side and the secondary side being coupled by a transformer (250). The primary side comprises semiconductor switches, a first structural switch, and a second structural switch. The semiconductor switches are arranged as a first and a second half bridge between a positive DC line and a negative DC line, wherein a first tap of the transformer (250) on primary side is connected to a midpoint of the second half bridge, and a second tap of the transformer (250) on primary side is connected to a midpoint of the first half bridge. The first structural switch is arranged between the midpoint of the first half bridge and the midpoint of the second half bridge for connecting the midpoint of the first half bridge with the midpoint of the second half bridge. The second structural switch is arranged between the second tap of the transformer (250) on primary side and the midpoint of the second half bridge, and between the second tap of the transformer (250) on primary side and the negative line of the first and the second half bridges for disconnecting the second tap of the transformer (250) on primary side from the midpoint of the second half bridge and connecting the second tap of the transformer (250) on primary side with the negative line.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
The invention relates to a DC/DC converter (200) comprising a transformer (250), a primary side and a secondary side, the primary side and the secondary side being coupled by a transformer (250). The secondary side comprises active semiconductor switches arranged 5 as a first and a second half bridge between a positive DC line and a negative DC line. A first tap of the transformer (250) on secondary side is connected to a midpoint of the first half bridge, and a second tap of the transformer (250) on secondary side is connected to a midpoint of the second half bridge. The converter further comprises a first structural switch (241) between the midpoint of the first half bridge with the midpoint of the second half bridge 10 for connecting the midpoint of the first half bridge with the midpoint of the second half bridge, and a second structural switch (242) between the second tap of the transformer (250) on secondary side and the a midpoint of the second half bridge and between the second tap of the transformer (250) on secondary side and the negative line of the first and the second half bridges for disconnecting the second tap of the transformer (250) on secondary side from the 15 midpoint of the second half bridge and connecting the second tap of the transformer (250) on secondary side with the midpoint of the second half bridge.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
56.
Light Filtering Through Transient Synchronous Illumination and Perception
An apparatus for directing a connection element is provided. The apparatus includes a robotic element for manipulating the connection element and a computer vision system communicatively coupled to the robotic element. The computer vision system includes one or more processors configured to: receive a first frame representing an environment at a first time, the environment at the first time comprising marker light of a first mode and other light; receive a second frame of the environment at a second time, the environment at the second time comprising marker light of a second mode and the other light; compare the first frame to the second frame to determine a difference in lighting in the environment between the first time and the second time; and differentiate the marker light of the first mode and the marker light of the second mode from the other light based on the determined difference.
A computer-implemented method for method for electric vehicle charging access control includes a charging station for electric vehicles that detects presence of an electric vehicle available for establishing a wireless data connection, establishes a wireless data connection with the electric vehicle, receives, via the wireless data connection, identification data identifying the electric vehicle, and authorizes the charging of the electric vehicle in response to determining that the electric vehicle is registered as eligible for using the charging station based on the identification data.
A method and system for detection of an electric vehicle via a two-line bus includes a detection unit for detecting a presence status of an electric vehicle. The electric vehicle connects to a charger having the detection unit. The detection unit includes a first output for driving a two-line bus, which connects the charger and the electric vehicle; and a first input for receiving signals from the two-line bus. An additional input detects a second bus termination arranged within the electric vehicle through a voltage measurement and/or a current measurement of the two-line bus, wherein detecting the second bus termination is an indication of the presence status of the electric vehicle.
A converter arrangement connects to a DC source or load and to a plurality of AC terminals. Each converter arrangement includes a DC part with two capacitors arranged in parallel to the DC source or DC load and a neutral DC point between them. At least one AC leg is connected to a neutral AC point via an AC leg capacitor. A pre-charge unit is arranged at each leg of the AC terminal. The method includes opening a decoupling switch and all second AC switches; loading the pre-charge unit; sequentially closing each second AC switch; measuring at each closing step a voltage between each AC leg of the second converter arrangement; and determining the stuck AC switch of the second converter arrangement based on the measured voltage.
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H02M 7/79 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with 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
61.
Systems and Methods for Detecting an Operational Status of a Charging Connector of an Electric Vehicle Charging System
A charging system of an electric vehicle is described. The charging system comprises a charging cable that is adapted to carry a charging connector located at a distal end of the charging cable, wherein the charging connector is configured to be controllably moveable and insertable into an EV charging portal of the EV, the charging connector comprising: a latch coupled to the charging connector, a detection system coupled to the latch, and a control system configured to: obtain, from the detection system, an indication, determine, based on the indication, whether the latch on the charging connector is operational or non-operational, and generate an alert based on determining that the latch on the charging connector is non-operational.
An electric vehicle charging connector includes contact elements that are electrically connected to a cable. The contact elements comprise a block portion and at least one contact finger extending from the block portion, and a cooling tube for forced cooling that includes a liquid coolant for cooling at least one of the contact elements. The cooling tube is fluidly connected to an internal cooling channel of the contact element. The cooling channel extends from the block portion into the contact finger so that both parts are cooled by the cooling fluid.
A positioning system for an automatic vehicle charging system includes charger-side positioning modules arranged on a charger and a charger-side control unit. The charger-side positioning modules comprise a static master module and at least two slave modules connected to the static master module. The charger-side control unit is connected to the static master module. The static master module receives a charging request from a vehicle and distances to a mobile module to determine a position of the mobile module using the measured distances, and to the position of the mobile module to the charger-side control unit to provide the allowance for charging when the position of the mobile module is within a pre-defined tolerance.
A charging arrangement for balancing load currents on multiple phases, the load currents being unbalanced between the phases caused by consumers connected to the phases. The charging arrangement comprises a three-phase current output line L1, L2, L3, with one phase conductor for each phase, and a controller. The controller comprises instrumentalities to control the load current in each of the phase conductors by controlling a consumer and thereby balancing the amount of current between the phase conductors.
In one aspect, a cross-connect cable for charging an electric vehicle (EV) is provided. The cross-connect cable comprises wiring, first and second charging plugs, a sensor, and a controller. The wiring comprises power conductors and communication lines. The first and second charging plugs are electrically coupled to opposite ends of the wiring. The sensor is configured to measure a voltage of, and a current carried by, the power conductors. The controller is configured to determine whether the first and second charging plugs have been electrically connected to first charging port of a power source and a second charging port of the EV, respectively. The controller is further configured to initiate a charging session from the power source to the EV, and calculate, based the voltage and the current, energy delivered from the power source to the EV for the charging session.
A temperature measurement arrangement for measuring a temperature in a noise voltage-inducing environment includes a sensing circuit including a Negative Temperature Coefficient Thermistor (NTC) for sensing a temperature and a filter for compensating the induced noise voltage at a filter frequency.
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
H01C 7/04 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
H01C 7/00 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
A vehicle charging station includes a holder configured to hold a battery charging connector, and a cooling device configured to remove heat from a heat source of the battery charging connector when the battery charging connector is on the holder. The cooling device is configured and operates to convectively dissipate heat into ambient air.
A method for producing a charging connector includes providing a first thermoplastic material; thermoforming the first thermoplastic material into a reinforcement element, wherein the reinforcement element corresponds to a geometry of the charging connector; placing the reinforcement element into a mould for injection moulding; and forming at least a part of the charging connector by injection over molding the reinforcement element with a second thermoplastic material.
H01R 43/24 - Assembling by moulding on contact members
H01R 13/533 - Bases or cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
H01R 43/00 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
69.
Method for Metering a Charging Device, Charging Device, Computer Program Element and Computer Readable Medium
A method for energy metering of a charging device, in particular an EV charging device, includes metering an energy level by at least one meter unit during a charging session; monitoring a total energy level of the at least one meter unit with a monitoring unit at least in between two consecutive charging sessions and break/interrupt energy transfer when non-intentional energy transfer is detected; and comparing a start total energy level of a new charging session with a stop total energy level of a previous charging session.
An electrical device includes a magnetic core, a bobbin extending about and partially covering the magnetic core, wherein the bobbin is made of a thermally conductive dielectric material, wherein the bobbin further comprises an outer body connectable to an inner body, wherein the inner body comprises at least a first contact element being formed as a rib that is configured to directly contact a surface of the magnetic core.
A direct current (DC) distribution system includes a plurality of power consumer clusters, each comprising at least one power consumer. The power consumer clusters are arranged as a ring structure with a common low voltage (LV)-DC ring bus. Each power consumer is connected to the LV-DC ring bus. The DC distribution system further comprises a plurality of normal-open ring switches. Each power consumer cluster is separated from its adjacent power consumer clusters by one of the normal-open ring switches. Each power consumer cluster is fed by a MV-DC/DC converter, which in turn is fed by a MV-AC/DC converter connected to a MV-AC grid.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
B60L 53/60 - Monitoring or controlling charging stations
A reactor, comprising: a support; a coil wound on an outer surface of the support and including a plurality of coil segments electrically connected in sequence; and at least one first insulating separator disposed on the outer surface of the support and separating the outer surface of the support into a plurality of regions, in which the plurality of coil segments is respectively arranged.
A charging plug connector includes a power contact component having a first connecting region for galvanic connection to a corresponding connection region of the connecting device; a second connecting region electrically coupled to a charging cable, wherein the power contact component provides electrical energy from the charging cable to the first connecting region; a charging plug housing covering the power contact component; and a compressed air connector mechanically coupled to the charging plug housing; wherein the charging plug connector guides a compressed air stream provided to the compressed air connector to the power contact component for cooling it.
A system and method for a pole separating arrangement for a multipole pantograph or a multipole fixed arrangement for charging an electric vehicle includes a first conducting pole arranged on an isolating carrier and configured for contacting a corresponding first pole on the electric vehicle; a second conducting pole arranged on the isolating carrier and configured for contacting a corresponding second pole on the electric vehicle; and an isolating pole separator arranged between the first conducting pole and the second conducting pole. The pole separator has at least one upward pointing arc.
An electric connector includes a connector body having a connector core and two protruding cuboidal elements that, together, form a U shape. At least one conducting element is arranged at an inner side of the protruding cuboidal element. The conducting element protrudes, at least partly, from the inner side. The conducting element is arranged slidably between two notches, which are arranged in the cuboidal element. The conducting element and at least one notch of the two are configured for conducting charging current.
An electrical vehicle (EV) connector includes a hybrid cooling system with a first cooling device for cooling a first portion of the connector in an area of effect of the first cooling device, and a second cooling device for cooling a second portion of the connector in an area of effect of the second cooling device. The first portion and the second portion are thermally connected to each other; and the area of effect of the first cooling device is configured for not overlapping or only insignificantly overlapping the area of effect of the second cooling device.
A charging connector is provided. The charging connector includes a body having a first body end and a second body end. The charging connector also includes a cable connected to the first body end. The cable houses at least one conductor. The charging connector also includes at least one contact positioned at the second body end and electrically coupled to the at least one conductor. The charging connector also includes a mating interface connected to the second body end. The mating interface has a shroud and at least one contact dome that encloses the at least one contact. The at least one contact dome is at least partially formed of a first material having a first flammability resistance, and the shroud is at least partially formed of a second material having a second flammability resistance. The first flammability resistance is higher than the second flammability resistance.
An electric vehicle (EV) charging connector includes a contact element configured to receive a charging cable and to provide an interface to a vehicle charging socket, and a thermal mass element that is thermally connected to the contact element and configured to receive heat from the contact element.
measIRMSRMS measlmeasmeas measlimitIRMSRMS IRMSRMS limitImeasmeas limitmeasmeas is equal or greater than a set threshold value of the second derivative.
H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
80.
EV Charging Connector with Passive Cooling and Temperature Sensor
An electric vehicle (EV) charging connector includes a contact element and a passive cooling device attached to the contact element at a connection point. The contact element and the passive cooling device form a thermal conductive arrangement. The charging connector further comprises at least one temperature sensor attached to the thermal conductive arrangement, wherein the at least one temperature sensor is configured to provide temperature data for detecting a thermal conductivity fault of the thermal conductive arrangement.
A contact element arrangement for an electric vehicle (EV) connector configured to connect a charging wire to a connector interface on vehicle-side includes a contact element and a heat pipe. The contact element comprises a base portion to which a charging wire is connected and a contact portion, which is adapted to contact a counter contact element on a vehicle side. The base portion is cooled by a fluid, and the heat pipe extends from the contact portion to the base portion and is configured to carry heat from the contact portion to the base portion.
A system and method for using an electric vehicle (EV) charging system that includes an EV charger, a current control unit, a charge connector, a charge cable connecting the EV charger with the charge connector, a cooling circuit, and a plurality of temperature sensors attached to the cooling circuit at different positions and providing measured temperatures to the control unit includes operating the control unit to control charge current in dependence on temperature differences measured between temperature sensors of the plurality of temperature sensors.
An electric vehicle (EV) charging connector comprises a charging cable. The charging cable comprises charging lines configured to carry charging current and at least one air tube. The contact element is connected to the charging cable and is the galvanic contact interface to a car inlet; and each air tube is configured to lead an air stream directly to the hot portion of the EV charging connector such that air of the air stream flows around the hot portion.
A contact element for an electric vehicle (EV) connector that is configured to connect a charging wire to a connector interface on a vehicle side includes a front part and at least one base. The front part comprises walls having an inner and an outer side that enclose a hollow chamber, which is partly filled with a fluid, and the inner side of the walls are designed having a capillary structure.
09 - Scientific and electric apparatus and instruments
35 - Advertising and business services
37 - Construction and mining; installation and repair services
38 - Telecommunications services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Software for the operation, control and management of
charging stations and local controllers for electric
vehicles, drones and air taxis; software for electric
vehicle fleet management; software for energy management;
software for electronic logbooks; computer hardware and
software for monitoring of electric vehicles, charging
infrastructure, data and energy management; charging
stations for electric vehicles; electric batteries for
vehicles; chargers for electrical batteries; electronic
controllers and electronic control systems for charging
stations for electric vehicles; computer software and
hardware for virtual power plants; data processing equipment
and computers for connecting electric vehicles to the energy
system of a house, workplace, commercial building, car park,
service station, street lamp, charging station for electric
vehicles or parking meter; computer software for connecting
electric vehicles to the energy system of a house,
workplace, commercial building, car park, service station,
street lamp, charging station for electric vehicles or
parking meter; application software in the field of electric
vehicles, charging stations, local controllers for electric
vehicles; downloadable application software for smart phones
in the field of electric vehicles, charging stations, local
controllers for electric vehicles; reporting software in the
field of electric vehicles, charging stations, local
controllers for electric vehicles; software for billing in
the field of electric vehicles, charging stations, local
controllers for electric vehicles; none of the
aforementioned goods in this class for medical or cosmetic
use. Electric vehicle fleet (business management of -) for
others; transportation fleet (business management of -) for
others; business management of electrical vehicle charging
stations [for others]; processing and management of data;
computerised file management; administrative data
processing; electronic data processing; accounting, in
particular in relation to electric vehicle fleets; retailing
and wholesaling, also via the internet, in relation to
software, electric vehicles, parts and fittings for electric
vehicles; professional business and business organisation
consultancy in the fields of energy management and
e-mobility; marketing, namely advertising for new
technologies, in particular in the energy and e-mobility
sector; arranging of commercial and business contacts;
arranging of contracts with electricity suppliers; none of
the aforementioned services in this class for medical or
cosmetic use. Repair, maintenance, refueling and re-charging of electric
vehicles; installation, repair and maintenance in relation
to charging stations for electric vehicles, electric
passenger vehicles, electric bicycles; charging electric
vehicles. Telecommunications by means of platforms and portals on the
internet, providing access to information on the internet,
electronic exchange of messages via chat lines, chat rooms
and internet forums, e-mail services, rental of
telecommunications equipment, radio and television
broadcasting, electronic transmission of messages;
information about telecommunication; providing access to
databases; telematics services; telematic communication
services; telematic data transmission and file transfer;
consultancy and information in relation to the aforesaid
services, included in this class; all of the aforesaid
services in connection with electric vehicles and energy
management. Development, programming and implementation of software and
interfaces in the field of e-mobility and charging of
electric vehicles; software as a service [saas] in the field
of e-mobility and charging of electric vehicles; platform as
a service [paas] in the field of e-mobility and charging of
electric vehicles; rental of software in the field of
e-mobility and charging of electric vehicles; computer
network services in the field of e-mobility and charging of
electric vehicles; monitoring of computer systems by remote
access in the field of e-mobility and charging of electric
vehicles; technical monitoring of e-mobility
infrastructures; installation and maintenance of computer
software in the field of e-mobility and charging of electric
vehicles; hosting platforms on the internet in the field of
e-mobility and charging of electric vehicles; provision of
scientific information, advice and consultancy in relation
to e-mobility; engineering services in the field of
e-mobility and energy management technology; technical
planning and advice with regard to energy management
solutions systems and devices; technological advice and
planning regarding electrical installations; technical
analysis services in the field of e-mobility and energy
management technology; hosting an e-commerce platform on the
internet in the field of e-mobility and energy management
technology; engineering services in the areas of energy
management and supply, namely the formulation of technical
strategies, taking into account ecology and infrastructure;
technical metering of electricity; rental of measuring
apparatus included in this class, in particular apparatus
for measuring power consumption; rental of checking
[supervision] apparatus included in this class, in
particular apparatus for checking power consumption;
scientific and technological services and research in the
field of connecting electric vehicles to the energy system
of a house, car park, service station, workplace, commercial
building, street lamp, electric vehicle charging station or
parking meter.
86.
CHARGING CABLE FOR CHARGING AN ELECTRIC VEHICLE, AND ELECTRIC VEHICLE SUPPLY EQUIPMENT WITH A CHARGING CABLE
The disclosure relates to a charging cable for charging an electric vehicle, wherein the charging cable includes a coolant supply tube extending in a longitudinal direction and configured for transporting a coolant through the charging cable, an earth extending in a longitudinal direction substantially parallel to the coolant supply tube and configured for serving as ground, a plurality of power wires extending in the longitudinal direction and configured for conducting positive and/or negative direct current, and an outer layer extending in the longitudinal direction and surrounding the coolant supply tube, the earth and the plurality of power wires, wherein each of the plurality of power wires includes a power conductor and a power wire insulation surrounding the power conductor, wherein multiple spacers are provided between the power conductor and the power wire insulation such that a coolant channel is defined between the power conductor and the power wire insulation.
A system and method for compensating a faulty switch in a multi-level flying capacitor converter includes a converter capacitor arranged in parallel to an input, a first and second converter switches arranged respectively between first and second ends of the converter capacitor, first and second bypass switches respectively arranged in parallel to the first and second converter switches, wherein operation includes detecting a faulty converter level that includes at least one of the first and second converter switches, discharging all capacitors arranged in parallel to the input of the multi-level converter, wherein all capacitors comprise the converter capacitors and an input capacitor; closing the first and second bypass switches of the faulty converter level; adapting a modulation of the converter switches of the other converter levels; and restarting the multi-level converter.
Described herein is an electric vehicle charging arrangement for charging an electric vehicle, including an electric vehicle supply equipment (EVSE). The EVSE includes a power module configured for providing electrical energy to charge the electric vehicle, an output configured for connecting the power module to the electric vehicle for charging the electric vehicle, and a direct current (DC) bus having a DC+ line and a DC− line and provided between and connected to the power module and the output and configured for transporting electric energy from the power module to the output. Each of the DC+ the DC− lines is provided with a contactor configured for selectively allowing a current flow from the power module to the output. A first pre-charge circuit is provided in parallel to the contactor of the DC+ line, and a second pre-charge circuit is provided in parallel to the contactor of the DC− line.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02M 1/36 - Means for starting or stopping converters
H02M 1/32 - Means for protecting converters other than by automatic disconnection
89.
Modulator for flying-capacitor type multilevel converter, multilevel converter, and method for operating multilevel converter
A modulator for a flying-capacitor type multilevel converter receives, at an input, a time-variant reference signal and provides, at an output, a sequence of target levels, to provide switching signals for switching between discrete output levels of the multilevel converter according to the shape of the reference signal. The modulator determines a critical level as an intermediate output level of the multilevel converter which is closest to the level of the reference signal; and outputs only target levels corresponding to output levels different from the critical level.
A charging cable for an electric vehicle includes at least two power lines configured for conducting a charging current, and two high-frequency communication lines being separate and extending in parallel to the power lines and configured for transmitting a charging information between a charger and an electric vehicle.
A power electronic converter includes a plurality of converter cells, each comprising an inductive power transfer stage having a coupled inductor coupling first and second sides of the converter cell, wherein the inductor comprises a first winding around a first magnetic core and a second winding around a second magnetic core; wherein the first winding and the first magnetic core are separated from the second winding and the second magnetic core by a flat electric insulation layer that provides electric insulation between the first and second sides of the converter cell; wherein at least two of the coupled inductors are arranged so that their insulation layers form a single contiguous insulation layer.
A power supply system includes a power feeding system for transforming an AC medium-voltage power signal from a medium-voltage grid into a low-voltage power signal for feeding an electricity consumer site. The power supply system further includes a low-voltage multiphase converter for transforming a low-voltage signal into a low-voltage multiphase signal. The multiphase converter is arranged antiparallel to the power feeding system, and an LV/MV multiphase transformer for transforming the low-voltage multiphase signal into an output-signal that is conformant to the AC medium-voltage power signal.
A multi-pulse line-interphase transformer converter includes an electric part that includes magnetic components configured to be connected to a three-phase AC grid, and an electric part that includes a multi-phase voltage system configured to be connected to a common DC capacitor. The electric part splits each AC grid phase n times into two phases, resulting in a plurality of intermediate phases at an internal interface, each intermediate phase corresponding to a pulse of the multi-pulse line-interphase transformer converter. The intermediate phases are connected to the multi-phase voltage system. The multi-phase voltage system comprises bridges with actively controlled switches. The bridges are connected in parallel to the common DC capacitor.
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with 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
H02M 7/493 - 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 the static converters being arranged for operation in parallel
H02M 7/757 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
H01F 30/12 - Two-phase, three-phase or polyphase transformers
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
An electric vehicle charging system includes a charging connector configured to receive a charging cable provided with electrical charging wires. The charging cable and/or the charging connector provide a flow path for guiding a liquid coolant, cooling the charging cable and/or the charging connector, and a thermal management unit for cooling the liquid coolant, the thermal management unit being fluidly connected to the flow path. The liquid coolant is an ionizable coolant, wherein a deionizing unit is provided and fluidly connected to the flow path for deionizing the liquid coolant to decrease its conductivity.
A charging system for electric vehicles includes a line interphase transformer, LIT-based rectifier configured for connecting an input of the LIT-based rectifier to an AC medium-voltage power signal and for outputting a medium-voltage DC-signal; a modular DC/DC converter with large step-down gain is configured for transforming the medium-voltage DC-signal into a medium-voltage HF-AC-signal; and a medium-frequency transformer, MFT, is configured for transforming the medium-voltage HF-AC-signal into a low-voltage HF-AC-signal for the at least one charging box.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
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
96.
Bi-directional medium voltage to low voltage converter topology
A bi-directional medium voltage converter topology includes an n-pulse line-interphase-transformer, LIT; a plurality of bi-directional medium voltage, MV converters connected to the LIT on an AC side thereof and connected in parallel on a DC side thereof; a bi-directional multi-stage DC/DC converter connected to the plurality of bi-directional MV converters; and a bi-directional low voltage, LV, DC/DC converter; wherein the multi-stage DC/DC converter and the LV DC/DC converter are connected to each other galvanically insulated.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/72 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with 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
A LIT-based bi-directional medium voltage converter topology includes active medium voltage switches that comprise low voltage switches connected in series and/or switch-cells in a cascode-configuration.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
An electric vehicle charging system includes a charging connector configured to receive a charging cable. The charging cable and/or the charging connector provide structures for guiding a coolant, cooling the charging cable and/or the charging connector. The electric vehicle charging system further comprises a thermal management unit for cooling the coolant. The thermal management unit comprises a vapor-compression refrigeration system for cooling the coolant below ambient temperature.
Described herein is an electric vehicle charging arrangement for charging an electric vehicle, including an electric vehicle supply equipment (EVSE), where the EVSE includes: a power module configured to provide electrical energy to charge the electric vehicle, an output configured to connect the power module to the electric vehicle for charging the electric vehicle, and a direct current (DC) bus provided between and connected to the power module and the output and configured to transport electric energy from the power module to the output, where the electric vehicle supply equipment includes a pre-charge module configured to pre-charge the output, and where the pre-charge module is separate from the power module and electrically connected to the DC bus.
A system includes an automatic charging device. The automatic charging device includes a movable arm configured to connect a charging plug head in electric communication with a vehicle inlet of an electric vehicle. The system includes a current detector configured to be in electrical communication with the automatic charging device.
