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WO/2022/018066A1 |
A converter station (10), for a bipole power transmission scheme, comprises a first voltage source converter (12) and a second source converter (32). Each converters have a first terminal (14,16) as transmission conduit and a second term...
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WO/2022/017715A1 |
The invention relates to an EMC filter. The EMC filter (1) has a circuit board (2). The EMC filter (1) has at least one filter capacitor (3, 4), the at least one filter capacitor being connected to at least one electrically conductive gr...
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WO/2022/012421A1 |
The present invention relates to an optical storage converter and a control method and apparatus therefor, and a computer readable storage medium. The control method for the optical storage converter comprises: under the condition that a...
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WO/2022/015519A1 |
A method and system for bidirectional charging in an electric vehicle include controlling a multi-phase machine in the electric vehicle. In response to determining that a direction of energy flow is from an electric grid to the electric ...
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WO/2022/015283A1 |
Embodiments of the present invention provide a voltage protection apparatus (130, 160, 205, 630, 730), comprising an input (165, 210, 610, 710) to receive an input voltage provided to a processor (120), an output (190, 260, 680, 760) to ...
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WO/2022/012603A1 |
Disclosed are a short-circuit protection circuit for a switch power source, and a chip and a system. The short-circuit protection circuit comprises: a collection module, which is used for collecting an input voltage, and generating a fir...
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WO/2022/014968A1 |
The present disclosure discloses a power supply device for generating at least two standby powers and an electronic device comprising same. The electronic device comprises: a power supply device comprising a first converter which generat...
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WO/2022/011833A1 |
A three-phase inverter and a control method therefor. Resonant capacitors are provided between the midpoints of three bridge arms and the positive and negative electrodes of a DC bus to constitute resonant units with output inductors, so...
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WO/2022/013123A1 |
The invention relates to a method and a system for controlling at least two electric machines, preferably electric motors, which are arranged in a vehicle; wherein a first electric machine is controlled by means of a first pulse-width-mo...
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WO/2022/011645A1 |
A power supply device and a sunlight simulation device. The power supply device comprises: a power module (100) and a PFC control module (200) pluggably connected to the power module (100). The power module (100) comprises: a power input...
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WO/2022/013947A1 |
A drive adjusting circuit (1000) of a power semiconductor element is provided with: a differentiating circuit (5) for differentiating a gate voltage of a power semiconductor element (1); a power supply (8) for generating a comparison ref...
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WO/2022/013367A1 |
In order to provide improved overvoltage protection for a voltage converter (2) for converting an input voltage (ue, Ue) into an output DC voltage (Ua), a first shut-off unit (11) is provided which is designed such that, when a first vol...
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WO/2022/013905A1 |
To provide a low-cost noise filter with which a noise suppression effect does not deteriorate even when the resonant frequency changes with a temperature change.　This noise filter (10) has a noise detecting unit (12) for detecting comm...
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WO/2022/011602A1 |
A pre-charging circuit. The pre-charging circuit comprises a power supply switch (11), a drive switching circuit (14), a switching circuit (12), an input power source (10), an internal circuit (13) and a charging circuit (15), wherein a ...
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WO/2022/013998A1 |
Provided is a gate driving circuit, for a power semiconductor element (1) having a gate electrode, that performs on/off control of the principal current of the power semiconductor element by charging/discharging the charge of the gate el...
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WO/2022/011596A1 |
An isolation circuit comprises a voltage sampling circuit (10), an input power supply (11), a control circuit (12), a relay circuit (13), an internal circuit (14), and a control center (17). An output terminal of the input power supply (...
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WO/2022/012759A1 |
The invention relates to a method for controlling a modular multilevel power converter (1) which has at least one phase module branch (10) that has a series circuit of modules (310). Each of the modules has an energy storage device (416)...
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WO/2022/011471A1 |
A DC to DC boost converter for boosting low voltage power to levels for MVDC and HVDC transmission. The DC to DC boost converter comprises a bridge converter configured to receive a direct current (DC) input and to generate a resultant a...
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WO/2022/009101A1 |
Electrical apparatus (20) includes an inverter (24) having input terminals for receiving DC input power and output terminals for coupling to an AC power grid. A pulse-width modulation (PWM) generator and drivers (26) drive the switches s...
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WO/2022/011137A1 |
A circuit (100) includes a transformer (104) having first and second transformer inputs and first and second transformer outputs. The first transformer output can be adapted to be coupled through a capacitor to a first input of an output...
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WO/2022/008085A1 |
A method (100) of controlling a modular multilevel converter, MMC, of a full-bridge or mixed arm type in case of a DC line disturbance is provided. The method includes determining (102, 104) whether a magnitude of a DC voltage (Udp) of t...
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WO/2022/008036A1 |
There is provided a method (200) of controlling a plurality of converter cells (240) in a phase arm of a modular multilevel converter, MMC, in accordance with a main reference (210). The method includes dividing (212) the main reference ...
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WO/2022/009492A1 |
The present invention suppresses current collapse in a normally-ON dual-gate bidirectional switch. A dual-gate bidirectional switch (1) has a first gate (G1), a first source (S1), a second gate (G2), and a second source (S2). A control s...
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WO/2022/011315A1 |
In some embodiments, a high voltage power supply is disclosed that provides a plurality of high voltage pulses without any voltage droop between two subsequent pulses. In some embodiments, a high voltage power supply is disclosed that pr...
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WO/2022/008552A1 |
The invention relates to a method for detecting a fault of a photovoltaic inverter, the method comprising: - for at least one cyclic time profile of operation of the inverter, each cycle of the cyclic time profile comprising an outright ...
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WO/2022/002640A1 |
The invention relates to a filter device (1) for use in a converter (24) in an alternating voltage supply system (27), comprising a choke unit (2), a capacitor unit (3) and saturation reducing means (41) for the choke unit (2). The inven...
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WO/2022/005205A1 |
According to an embodiment of the present invention, a power conversion device for controlling a DC voltage of a DC link may comprise a first diode, a second diode, a first switching element, a second switching element, a third switching...
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WO/2022/003162A1 |
The invention relates to a method for reducing the inrush current of an electrical device operated by means of a battery and/or an accumulator, which device is designed as a medical device which can be implanted in a patient and has an e...
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WO/2022/000827A1 |
A method for implementing PFC using only primary phase shift control. With the present method, a conventional PFC circuit is not needed in a conventional wireless charging system topology, such that a power grid voltage is converted into...
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WO/2022/003081A1 |
The invention relates to a power converter having a half bridge comprising at least two power semiconductor devices, configured for pulse width modulation by means of the half bridge, and also designed to carry out voltage-free switching...
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WO/2022/002470A1 |
The present invention relates to the discharging of an intermediate circuit capacitor by means of switching elements of one or more half-bridges that are mounted in parallel to the intermediate circuit capacitor, two serially connected s...
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WO/2022/002573A1 |
The invention relates to a voltage converter (10) for converting AC voltage to DC voltage and vice versa, the voltage converter comprising first and second electrical conversion modules (22, 24) connected in series in an arm (20); an ele...
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WO/2022/002492A1 |
The invention relates to a cell assembly (5) comprising a plurality of cells (9), wherein each cell (9) comprises a first terminal (15), a second terminal (17), switching elements (19), and a capacitance (21), the switching elements (19)...
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WO/2022/005206A1 |
The present disclosure relates to a power conversion device and a control method thereof and, more specifically, to a power conversion device which can protect a switching element when performing stopping of driving, and a control method...
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WO/2022/003945A1 |
A reference potential pattern (20) of the printed board (3) of a power conversion device (100) is connected to a chassis (5). An electromagnetically shielded region (6A) is formed that is surrounded by the shield walls (5B, 5C) of the ch...
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WO/2022/000199A1 |
A multi-phase power supply and an electronic device. The multi-phase power supply comprises at least two-phase power supply circuit. When each phase of the at least two-phase power supply circuit supplies power to a load device, load vol...
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WO/2022/001834A1 |
Provided is a power supply and distribution system for a data center. The system comprises a feed circuit, a voltage energy router and an alternating-current/direct-current load power distribution segment bus, wherein the feed circuit is...
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WO/2022/001065A1 |
The present application relates to the technology of semiconductors. Disclosed is a semiconductor device integrating a power supply gating circuit by using a silicon connection layer. An active silicon connection layer is provided inside...
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WO/2022/001938A1 |
The present application relates to the technical field of power electronics, and provides a ripple detection apparatus and a ripple suppression apparatus. The ripple detection apparatus comprises a ripple sampling unit, at least two dire...
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WO/2022/000248A1 |
Disclosed by the present application are an inverter, and an inversion system and method. The inverter comprises an inverter circuit and a controller. When at least one preset condition among the following conditions is met, the controll...
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WO/2022/003812A1 |
In the present invention, n-number (n: natural number) of power converters (501-50n) generate power to be supplied to a load (5) through operation in accordance with driving signals (DSG). Multiplex redundant A/D converters (111-113) con...
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WO/2022/002000A1 |
Provided in the present disclosure is an undervoltage protection circuit, comprising: a secondary-side output module, comprising: an undervoltage determining unit configured to compare the voltage of the secondary-side output module with...
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WO/2022/002626A1 |
The invention relates to a filter device (1) for use for converters (30) on an alternating-voltage grid (20), the filter device comprising: - a first capacitor unit (2) having a first capacitor star point (3) and a second capacitor unit ...
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WO/2022/002473A1 |
The invention relates to a rectifier which comprises a rectifier circuit with current valves, in which the current valves are formed with MEMS switches. The power supply device comprises said type of rectifier. The system comprises a ter...
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WO/2022/000010A1 |
In order for a thermal load of a capacitor of a DC intermediate circuit of a current converter to be reduced, a model-predictive control of the current converter (1) is proposed, including a cost function that contains a cost term Jd(xp)...
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WO/2021/258660A1 |
A GaN power transistor driving circuit (1) and method, and an electronic device. The driving circuit (1) comprises an alternating current driving unit (12) and a direct current driving unit (11); the alternating current driving unit (12)...
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WO/2021/259691A1 |
The invention relates to a method for discharging a vehicle high-voltage electrical system (HN), which is galvanically isolated from a ground potential, in the presence of a residual current, comprising the following steps: determining w...
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WO/2021/258935A1 |
A high-buck modular direct-current power supply, relating to the technical field of power electronics, comprising an upper modular cascade circuit group string, a lower modular cascade circuit group string, a load, and an input source, w...
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WO/2021/262185A1 |
A single inductor multiple output DC-to-DC converter may be configured as a buck-boost converter. The converter may include an inductor, a plurality of switches coupled to the inductor to control energizing and deenergizing phases of the...
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WO/2021/259319A1 |
Disclosed is a drive circuit having an energy recovery function. The drive circuit comprises: a control circuit, an energy recovery drive circuit, a switch circuit and a direct-current power supply. The control circuit is used for contro...
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