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WO/2024/077527A1 |
A nitride-based power converter (300) comprises: an input port (301) having a low-potential terminal and a high-potential terminal; an output port (302) having a low-potential terminal and a high-potential terminal; a transformer (310) h...
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WO/2024/080465A1 |
The present invention relates to an electric compressor comprising: a motor for generating power; a compression mechanism driven by the motor so as to compress a refrigerant; an inverter for controlling the motor; and a connector provide...
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WO/2024/077931A1 |
The present application discloses a buck-boost converter and a power supply system. The converter comprises a controller, a controllable switching transistor, a freewheeling diode and a boost circuit. A first terminal and a second termin...
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WO/2024/077594A1 |
The present disclosure provides a nitride-based AC-DC converter and a system. The converter includes, a transformer, a first switching element, a second switching element, a third switching element, and a fourth switching element. The tr...
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WO/2024/078318A1 |
The present application provides a direct-current conversion circuit and a photovoltaic inverter. The direct-current conversion circuit comprises an RC circuit, and a first direct-current conversion unit and a second direct-current conve...
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WO/2024/077657A1 |
A modular multi-level converter, a converter valve system and a sub-module networking method. Communication optical fibers between sub-modules in a group and valve controllers are simplified, by means of optical switches, from the origin...
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WO/2024/079875A1 |
Provided is a failure sign diagnosable drive device that diagnoses the failure sign of a power device and limits the operation of the power device or excludes the power device to control the driving of a load, thereby preventing a power ...
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WO/2024/078022A1 |
The present application provides a power conversion apparatus and a control method therefor, and a power supply system. The power conversion apparatus comprises a controller and n power conversion modules, wherein n is a positive integer...
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WO/2024/081911A2 |
Described herein are multi-level inverters configured for a wireless power system and methods for such inverters and systems. The inverter includes at least one capacitor and at least one switching leg. Each switching leg including a plu...
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WO/2024/078278A1 |
The present application discloses a magnetic integrated inductor and an inverter. The magnetic integrated inductor comprises: a first winding, a second winding, a third winding, a center column magnetic core, an upper magnetic core, a lo...
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WO/2024/079775A1 |
A electric power converter (1) comprises: transistors (Q11, Q12); a converter control unit (10) that outputs a gate pulse to control the transistors (Q11, Q12); a function safety control unit (20) that turns on and outputs a gate drive p...
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WO/2024/075305A1 |
An electric power conversion device (1000) comprising switching elements (411,421) connected in series as the upper arms and the lower arms, a gate drive circuit (900) which drives the switching elements, a controller (910) which is oper...
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WO/2024/075393A1 |
This electric device comprises electrical components (1, 60), an electrical component support unit (21), and an outside frame (90). An interior space (92) is formed between the electrical component support unit and the outside frame, the...
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WO/2024/075392A1 |
This electrical device comprising an electrical component, an electrical component support, an outer frame, and an inner frame, wherein an internal space is formed between the electrical component support and the inner frame, the electri...
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WO/2024/076471A1 |
A drive system suitable for motors and the like employs bidirectional FETs with active gate current sourcing and sinking to eliminate series diode losses. In one embodiment, the bidirectional FETs have floating field plates that can be d...
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WO/2024/074270A1 |
The invention illustrates and claims a combined earthing and protective device for a voltage and power converter of modular design for converting a primary AC voltage with one or more phases to a secondary voltage. The combined earthing ...
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WO/2024/075442A1 |
A control circuit 30 of the present invention comprises: a zero current detection threshold calculation unit 31 which calculates zero current detection thresholds Vth1, Vth2 on the basis of a first divided voltage VFB obtained by dividin...
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WO/2024/075451A1 |
An MCU (5) detects a first zero cross position (A) of induced voltage generated in an electromagnetic coil (224) of a vibrating-type compressor (20) during a first dead time (DT1) from when an upper-stage transistor (TR21) is turned off ...
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WO/2024/075212A1 |
Provided is a control device in a power conversion device for photovoltaic power generation connected with solar panels at a DC side, wherein the control device comprises: a modulation rate calculation unit which calculates a modulation ...
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WO/2024/075239A1 |
A power supply device according to the embodiment supplies DC power to an electrolytic cell that generates hydrogen through electrolysis. This power supply device comprises: a self-excited power converter including a first output termina...
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WO/2024/076508A1 |
In some embodiments, apparatuses and methods are provided herein useful to maintaining a minimum supplied voltage and/or current to an equipment. In some embodiments, there is provided a power system including at least one shelf includin...
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WO/2024/075798A1 |
This inverter control device controls an inverter that converts a DC current into a three-phase AC current by driving a three-phase inverter circuit and outputs the resulting current to a motor. The inverter control device comprises: a P...
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WO/2024/077248A1 |
An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed ci...
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WO/2024/075403A1 |
In a non-contact power supply system 110, a main power supply device and a sub power supply device are each equipped with a timer counter 25 that counts at a predetermined cycle and generate AC current on the basis of the count value of ...
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WO/2024/069431A1 |
A system comprises: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a point-of-use controller configured to: detect a fault; determine a fault type of the detected fa...
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WO/2024/069359A1 |
A system comprises: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power switch including a drain terminal, a source terminal, and a gate terminal; a gate driver c...
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WO/2024/067646A1 |
A switch power source circuit, a power adapter, and a charging system, which relate to the technical field of electronics, and can reduce power losses. The switch power source circuit comprises a control chip, a power supply circuit, a p...
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WO/2024/069453A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a first power module, the first power module including: a first substrate including a first conduct...
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WO/2024/065885A1 |
The present invention relates to the field of power generation, power transformation or power distribution. Provided are a generator system based on a high-frequency isolation matrix converter, and an adjustment and control method. The g...
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WO/2024/068487A1 |
The invention relates to a power supply circuit (1) for an electrical energy storage unit (2), this power supply circuit comprising: - a primary sub-circuit (4), capable of being connected to a voltage network (5); - a secondary sub-circ...
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WO/2024/069455A1 |
A power module includes: a first substrate having an outer surface and an inner surface, the first substrate extending from a first longitudinal end toward a second longitudinal end; a power switch including a semiconductor die, the powe...
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WO/2024/066546A1 |
A heat dissipation apparatus (100), a power device and a photovoltaic system, which have a better heat exchange effect. The heat dissipation apparatus (100) may comprise a housing (110); a heat source is fixed on the outer surface of a f...
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WO/2024/068873A1 |
The present invention relates to a power module (300) comprising: - a first electrical connector (106B) made of metal, intended to be connected to a positive terminal of a power supply, for example a DC power supply; - a second electrica...
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WO/2024/070477A1 |
This output potential switching circuit (30) is applied to a multilevel inverter, inputs multilevel potentials, and switches the output potential to one of the multilevel potentials. The output potential switching circuit comprises a plu...
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WO/2024/066831A1 |
The present application discloses a leakage current suppression method for a string-type photovoltaic system, comprising the following steps: S100, inputting synchronous carriers to a plurality of inverters connected in parallel and incl...
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WO/2024/069364A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: one or more controllers configured to provide a test signal to control a gate leakage detection ope...
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WO/2024/067836A1 |
Provided in the present invention is a voltage regulation method for a three-phase four-bridge-arm three-level inverter. The method comprises: determining a voltage vector corresponding to a three-phase voltage; constructing a controllab...
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WO/2024/071627A1 |
According to embodiments, a power control circuit may comprise: a switch; a controller; a communication module; a signal detector configured to output a wake-up signal on the basis of a first signal provided from the outside; and a secon...
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WO/2024/069445A1 |
A power module includes: a fin housing including a fluid passage; a power switch having an exterior surface; and a fin system comprising a plurality of fins attached to a base plate, the plurality of fins extending from the base plate an...
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WO/2024/069442A1 |
A subassembly for an electrical component includes: a first plate including: a wall, stepped walls extending from opposite sides of the wall, flange elements extending outwardly from the stepped walls, each flange element defining an eng...
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WO/2024/065999A1 |
A voltage control method, comprising: acquiring an average voltage of a direct-current bus and a peak-to-peak voltage of the direct-current bus; according to a preset adjustment coefficient, the average voltage, and the peak-to-peak volt...
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WO/2024/069401A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: an upper phase multi-chip module including: a low-voltage upper phase controller; a high-voltage up...
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WO/2024/068115A1 |
The invention relates to a charging device for a vehicle, the input side of the charging device (500) comprising an input terminal unit (100) for connecting a single-phase or multiphase alternating voltage and a PFC stage (200) for provi...
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WO/2024/070456A1 |
A power source unit (10) is provided with a bias route (40, 40a-40c) through which some of the current including the lightning surge current, which overlaps the current from a power source (2), flows, and is further provided with an impe...
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WO/2024/069360A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module including: a drain tab; a source tab; a first power switch including a first gate te...
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WO/2024/069368A1 |
A system includes an inverter including: a first galvanic isolator separating a low voltage area from a high voltage area, the first galvanic isolator having a first galvanic isolator output path; a second galvanic isolator having a seco...
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WO/2024/071024A1 |
One aspect of a power conversion device of the present invention comprises H-bridge circuits corresponding to respective phases of a motor, and an auxiliary circuit corresponding to at least one of the H-bridge circuits, wherein the auxi...
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WO/2024/068095A1 |
The invention relates to a control method for generating voltages (u12, u23, u31 between phase connections (4) of a self-commutated power converter (1), wherein a zero-sequence system is superposed on a target voltage system without a ze...
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WO/2024/069437A1 |
A system includes: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a first decoupling capacitor configured to be connected to a positive connection of the battery and...
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WO/2024/071023A1 |
A motor control device according to one aspect of the present disclosure comprises: an inverter circuit having an upper arm and a lower arm in each phase of three phases; a conduction control unit that controls conduction of the upper ar...
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