04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electrical energy Current generators and replacement parts therefore; filters constituting parts of machines and motors for generating, storing and supplying electrical power Apparatus and instruments for conveying, distributing, transforming, storing, regulating, or controlling electric current, apparatus and instruments for conducting or accumulating the distribution or use of electric current, generators for equalizing electrical current output, electronic components in the nature of filters, low pass inductor filters, electronic devices for measuring electric current; electric components in the nature of filters; electric components in the nature of active filters; active power filters for use in electrical distribution systems; active harmonic filters; electric power loss indicators; voltage compensators and alternating current compensators; electrical disturbance attenuators; electric condensers; voltage regulators and regulators of electric current; inverters; electric converters; main power conditioners; transformers; capacitors for energy storage; downloadable or recorded software for measuring, signaling, checking or control of electricity; inductors; electric plugs; electric sockets; power distributors electrical; battery packs; electronic control systems; apparatus for uninterrupted energy supply; batteries for storage of electric energy; systems based on capacitator modules or static synchronous compensator modules for storage of electric energy Installation, assembly services, maintenance, adjustment and repair in relation to electrical apparatus and instruments, machines and installations, electrotechnical and electrical apparatus and equipment; Installation, assembly services, maintenance, adjustment and repair in relation to apparatus and instruments for conveying, conducting distribution, transformation, accumulation, regulating, filtering, equalization, measuring, signaling, checking and controlling electricity; Installation, assembly services, maintenance, adjustment and repair in relation to transformers, power supply units and electrical filters Storage of energy Consultancy in the field of energy-saving; providing temporary use of on-line non-downloadable software for measuring, signaling, checking or control of electricity in connection with electrical power management and conservation
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electrical energy. Current generators and parts thereof; filters constituting parts of machines and motors. Electric apparatus and instruments for the conveying, conducting, distribution, transformation, accumulation, regulating, filtering, equalization, measuring, signaling, checking and control of electric current; electric filters; electric active filters; active power filters for use in electric power systems; active harmonic filters; electric power loss indicators; voltage compensators and alternating current compensators; electrical disturbance attenuators; electric condensers; voltage regulators and regulators of electric current; inverters; electric converters; main power conditioners; transformers; capacitors for energy storage; software for measuring, signaling, checking or control of electricity; inductors; electric plugs; electric sockets; power distributors [electrical]; battery packs; electronic control units; apparatus for uninterrupted energy supply; batteries for storage of electric energy; systems based on modules for storage of electric energy. Light sources (not for photographic or medical use); cooling elements for inductors. Installation, assembly, maintenance, surveillance, adjustment and repair of electrical apparatus and instruments, machines and installations, electrotechnical and electrical apparatus and equipments; Installation, assembly, maintenance, surveillance, adjustment and repair of apparatus and instruments for conveying, conducting distribution, transformation, accumulation, regulating, filtering, equalization, measuring, signaling, checking and controlling electricity; Installation, assembly, maintenance, surveillance, adjustment and repair of transformers, power supply units and electrical filters. Storage of energy. Consultancy in the field of energy-saving; providing temporary use of web-based software; updating of computer programs.
A control unit for an active filter for reducing resonance in an electric system is provided. The electric system comprises a power source distributing an alternating current to an AC conductor connected to a power consuming unit for distributing the AC to the power consuming unit. The active filter comprises a DC power source and a DC conductor connecting the DC power source to the AC conductor. The control unit comprises: a voltage measurement unit adapter to create a voltage signal on the basis of a measured voltage; a computing unit adapted to compute, using a biquadratic filter, a first compensating current on the basis of the voltage signal for reducing resonance in the electric system and a switching system placed between the DC power source and the DC conductor for creating the calculated first compensating current.
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric apparatus and instruments for the conveying, conducting, distribution, transformation, accumulation, regulating, filtering, equalization, measuring, signaling, checking and control of electric current; electric filters; electric active filters; active power filters for use in electric power systems; active harmonic filters; electric power loss indicators; voltage compensators and alternating current compensators; electrical disturbance attenuators; electric condensers; voltage regulators and regulators of electric current; inverters; electric converters; main power conditioners; transformers; capacitors for energy storage.
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
Goods & Services
Electric apparatus and instruments for the conveying, conducting, distribution, transformation, accumulation, regulating, filtering, equalization, measuring, signaling, checking and control of electric current; electric filters; electric active filters; active power filters for use in electric power systems; active harmonic filters; electric power loss indicators; voltage compensators and alternating current compensators; electrical disturbance attenuators; electric condensers; voltage regulators and regulators of electric current; inverters; electric converters; main power conditioners; transformers; capacitors for energy storage. Storage of energy.
The disclosure relates to a coil (100) comprising: a multi-part conductor (110) having a long extension (in relation to its cross-section), the multi-part conductor comprising two or more conductors (A,B) being electrically insulated from each other, wherein, in a cross-section of the multi-part conductor (110), at least two of said two or more conductors (A,B) are arranged adjacent to each other in the direction of the central axis (120), wherein said multi-part conductor (110) is wound around the central axis (120) in more than one circumferential turn, such that a first portion (130) of the multi-part conductor (110) is arranged adjacent to a second portion (132) of the multi-part conductor (110) in the direction of the central axis (120), and wherein said adjacent arrangement of said two or more conductors (A,B) is the same in relation to each other and in relation to the direction of a central axis (120) of the coil (100) for each circumferential turn.
H01F 27/34 - Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
A control unit for an active filter for reducing resonance in an electric system is provided. The electric system comprises a power source distributing an alternating current to an AC conductor connected to a power consuming unit for distributing the AC to the power consuming unit. The active filter comprises a DC power source and a DC conductor connecting the DC power source to the AC conductor. The control unit comprises: a voltage measurement unit adapter to create a voltage signal on the basis of a measured voltage; a computing unit adapted to compute, using a biquadratic filter, a first compensating current on the basis of the voltage signal for reducing resonance in the electric system and a switching system placed between the DC power source and the DC conductor for creating the calculated first compensating current.
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric apparatus and instruments for the conveying,
conducting, distribution, transformation, accumulation,
regulating, filtering, equalisation, measuring, signalling,
checking and control of electric current; electric filters;
electric active filters; active power filters for use in
electric power systems; active harmonic filters; electric
power loss indicators; voltage compensators and alternating
current compensators; electrical disturbance attenuators;
electric condensers; voltage regulators and regulators of
electric current; inverters; electric converters; main power
conditioners; transformers.
The invention relates to an inductor (1) having a coil (2) and a core (3), wherein the core (3) is made of a Soft Magnetic Composite (SMC), the coil (2) is composed of a annularly wound electrical conductor, the coil (2) is substantially integrated into said core (3) so that the core (3) material acts as a thermal conductor having thermal conductivity above 1.5 W/m*K more preferably 2 W/m*K most preferably 3 W/m*K, conducting heat from said coil (2), wherein the inductor (1) is in thermal connection with at least one thermal connecting fixture (10-25), wherein said at least one thermal connecting fixture (10-25) is adapted to be connected to a first external heat receiver (4) so as to conduct heat from the inductor to said first external heat receiver (4).
A resonant power converter is provided. The resonant power converter comprises a balancing circuit for balancing the voltage in a feeding connection. The balancing circuit comprises: a first positive control means in series with an inductor, wherein the first positive control means and the inductor is coupled between the positive DC conductor and the feeding connection, and a second negative control means in series with the inductor, wherein the second negative control means are coupled between the negative DC conductor and the feeding connection. The first positive and second negative control means are adapted to be alternatingly switched on and off for balancing the resonant power converter, such that the voltage in the feeding connection is substantially the mean voltage of the positive DC conductor and the negative DC conductor.
H02M 5/451 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output voltage or frequency
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
H02M 7/537 - 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
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
H03H 11/32 - Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
H02M 7/48 - 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
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric apparatus and instruments for the conveying, conducting, distribution, transformation, accumulation, regulating, filtering, equalisation, measuring, signalling, checking and control of electric current; electric filters; electric active filters; active power filters for use in electric power systems; active harmonic filters; electric power loss indicators; voltage compensators and alternating current compensators; electrical disturbance attenuators; electric condensers; voltage regulators and regulators of electric current; inverters; electric converters; main power conditioners; transformers.
The present invention relates to a coil (1) for an inductor (6), comprised by metal wire (2) wound circular around a centre axis (C), wherein the wire has an electrically insulating layer (3) insulating each turn of the wire in the winding from neighbouring turns, the shape of the complete winding, building up the coil (1), is substantially toroidal having a substantially elliptic cross section, wherein the thermal heat conductivity is above 1 W/m*K more preferably above 1.2 and most preferably above 1.5. The invention further relates to a magnetic core (7) suitable for an inductor (6), where in the core is made of a soft magnetic composite material made of metallic particles and a binder material, said particles are in the range of 1 μm-1000 μm, particles that are larger than 150 μm are coated with a ceramic surface to provide particle to particle electrical insulation, wherein the volume of magnetic, metallic particles to total core volume is 0.5-0.9. The invention still further relates to an inductor (6) being a combination of said coil (1) and core (7), wherein the substantially all of said particles in the core are magnetically aligned with the magnetic field of the coil. The invention still further relates to the manufacturing methods of such a coil (1) and core (7).
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
A resonant power converter comprising electrical safety components comprising a combination of a diodes and a zener diodes coupled between DC conductors and an auxiliary switching circuit, the diodes being adapted to hinder the current from flowing from the auxiliary switching circuit to the negative DC conductor, and the zener diodes being adapted to allow current to flow from the negative DC conductor to the auxiliary switching circuit when the potential difference between the negative DC conductor and the phase conductor is above a threshold voltage. The Zener diodes being selected such that the threshold voltage of the Zener diodes is below the maximum blocking voltage of the transistors.
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
H02M 3/325 - 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
H02M 7/36 - Conversion of AC power input into DC power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts with electromagnetically-operated vibrating contacts, e.g. chopper
H02M 7/75 - 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
H02M 7/48 - 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
H02M 1/14 - Arrangements for reducing ripples from DC input or output
14.
Converter having auxiliary resonant circuit with current discriminating inductor
A resonant power converter includes a DC power source, a positive DC conductor, a negative DC conductor, a phase conductor, and a power converting unit between the DC power source and phase conductor. The power converting unit includes a first switch between the positive DC conductor and phase conductor, a first diode in parallel with the first switch, a second switch between the negative DC conductor and phase conductor, and a second diode in parallel with the second switch. The resonant power converter includes a resonant auxiliary switching circuit between the DC power source and phase conductor. The resonant auxiliary switching circuit includes an inductor in series with a control means, and auxiliary diodes in series with the control means. The inductor is a current discriminating inductor adapted to become saturated by currents flowing through the inductor during normal operation such that the inductance of the inductor is reduced.
H02M 7/48 - 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
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
A control unit for an active filter for reducing resonance in an electric system is provided. The electric system comprises a power source distributing an alternating current to an AC conductor connected to a power consuming unit for distributing the AC to the power consuming unit. The active filter comprises a DC power source and a DC conductor connecting the DC power source to the AC conductor. The control unit comprises: a voltage measurement unit adapter to create a voltage signal on the basis of a measured voltage; a computing unit adapted to compute, using a biquadratic filter, a first compensating current on the basis of the voltage signal for reducing resonance in the electric system; and a switching system placed between the DC power source and the DC conductor for creating the calculated first compensating current.
A resonant power converter is provided. The resonant power converter comprises a balancing circuit (BC) for balancing the voltage in a feeding connection (N). The balancing circuit (BC) comprises: a first positive control means (BS1) in series with an inductor, wherein the first positive control means (BS1) and the inductor (BL) is coupled between the positive DC conductor (1a) and the feeding connection (N), and a second negative control means (BS2) in series with the inductor (BL), wherein the second negative control means (BS2) are coupled between the negative DC conductor (1b) and the feeding connection (N). The first positive and second negative control means (BS1, BS2) are adapted to be alternatingly switched on and off for balancing the resonant power converter, such that the voltage in the feeding connection (N) is substantially the mean voltage of the positive DC conductor (1b) and the negative DC conductor (1a).
A resonant power converter is provided. The resonant power converter a DC power source (DC),a positive DC conductor (1a),a negative DC conductor (1b), a phase conductor (e), and a power converting unit (2) coupled between the DC power source (DC) and the phase conductor (e). The power converting unit comprising: a first switch (Gp) coupled between the positive DC conductor (1a) and the phase conductor (e)and a first diode (Dp) connected in parallel with the first switch (Gp),a second switch (Gn) coupled between the negative DC conductor (1b) and the phase conductor (e) and a second diode (Dp) connected in parallel with the second switch (Gn). The resonant power converter further comprises a resonant auxiliary switching circuit (AUX) coupled between a feeding connection on the DC power source (DC) and the phase conductor (e), the resonant auxiliary switching circuit (AUX) comprising: at least one inductor (L3) coupled in series with control means (Sp, Sn), for controlling the resonant auxiliary switching circuit (AUX), and auxiliary diodes (DAp, DAn) coupled in series with the control means (Sp, Sn). The inductor (L3) is a current discriminating inductor adapted to become saturated by currents flowing through the inductor during normal operation such that the inductance of the inductor (L3) is reduced.
A resonant power converter comprising electrical safety components (29b) comprising a combination of a diodes (Dn2) and a zener diodes (Zn) coupled between DC conductors and an auxiliary switching circuit, the diodes being adapted to hinder the current from flowing from the auxiliary switching circuit to the negative DC conductor, and the zener diodes being adapted to allow current to flow from the negative DC conductor to the auxiliary switching circuit when the potential difference between the negative DC conductor and the phase conductor is above a threshold voltage. The Zener diodes being selected such that the threshold voltage of the Zener diodes is below the maximum blocking voltage of the transistors.
A control unit (16) for an active filter (1) for reducing resonance in an electric system (2) is provided. The electric system (2) comprises a power source (20) distributing an alternating current (AC1) to an AC conductor (21) connected to a power consuming unit (22) for distributing the AC to the power consuming unit. The active filter (1) comprises a DC power source (10) and a DC conductor (15''; 3) connecting the DC power source (10) to the AC conductor (21). The control unit (16) comprises: a voltage measurement unit (17') adapter to create a voltage signal on the basis of a measured voltage; a computing unit (17'') adapted to compute, using a biquadratic filter, a first compensating current on the basis of the voltage signal for reducing resonance in the electric system (2); and a switching system (17''') placed between the DC power source (10) and the DC conductor (15''; 3) for creating the calculated first compensating current.
09 - Scientific and electric apparatus and instruments
Goods & Services
Machines and machine tools; motors and engines (except for
land vehicles); machine coupling and transmission components
(except for land vehicles); agricultural implements other
than hand-operated; incubators for eggs. Scientific, nautical, surveying, photographic,
cinematographic, optical, weighing, measuring, signalling,
checking (supervision), life-saving and teaching apparatus
and instruments; apparatus and instruments for conducting,
switching, transforming, accumulating, regulating or
controlling electricity; apparatus for recording,
transmission or reproduction of sound or images; magnetic
data carriers, recording discs; automatic vending machines
and mechanisms for coin-operated apparatus; cash registers,
calculating machines, data processing equipment and
computers; fire-extinguishing apparatus; electromagnetic
apparatus and instruments, including chokes/inductors,
transformers, solenoids, electromagnetic power filters,
actuators, electromagnets.
21.
Energy distributing circuit arrangement, including a DC/DC-converter
q) is connected directly to the rectifying bridge (21) supplied with an alternating current. The circuit arrangement (20) includes a DC/DC-converter (24), constructed of solely a few components, and an energy storage circuit, which is related to a sinus pump unit, a SP-unit, and which has the form of a capacitor (40) adapted for a high capacitance value and/or for a high voltage valve (420V DC).
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
H02J 7/04 - Regulation of the charging current or voltage
09 - Scientific and electric apparatus and instruments
Goods & Services
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs. Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; electromagnetic apparatus and instruments, including chokes/inductors, transformers, solenoids, electromagnetic power filters, actuators, electromagnets.
