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WO/2023/016802A1 |
Disclosed is a current limiter (1) for a power supply (2) of a lighting control bus (6). The current limiter (1) comprises a first switch (12) arranged serially in a current path of the lighting control bus (6). The first switch (12) is ...
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WO/2023/010324A1 |
Embodiments of present disclosure relate to an intrinsically safe circuit for a load. The intrinsically safe circuit comprises energy input ports and energy output ports; a first power line and a second power line connected in parallel b...
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WO/2023/012279A1 |
The invention relates to a device (20) for protecting an electronic equipment item, configured to limit electric current between an electric power generator and an electric-power-consuming electronic equipment item. This device comprises...
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WO/2023/010342A1 |
Embodiments of present disclosure relate to an intrinsically safe circuit for a load. The intrinsically safe circuit comprises an input adapted to be connected to a power supply; an output adapted to be connected to the load; a switching...
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WO/2023/006355A1 |
The present invention relates to an overvoltage protection spark gap assembly and method for operating an overvoltage protection spark gap assembly. The overvoltage protection spark gap assembly comprises a first overvoltage protection s...
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WO/2023/007265A1 |
An apparatus (1) for damping of voltage and current peaks of internal and external origin for a low voltage electrical supply plant (100) comprises at least one phase input (2a, 2b), connected to at least one phase of the electrical supp...
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WO/2023/007747A1 |
This motor drive device comprises: a motor drive circuit that drives a synchronous motor by supplying AC power to the synchronous motor via power lines; an overvoltage protection circuit that short-circuits between the phases of the powe...
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WO/2023/007268A1 |
Apparatus (1) for damping of voltage and current peaks in a telecommunications network/system, comprising an input data connector (2a) and an output data connector (2b) arranged serially on a voice and/or data line (101), and a damper (3...
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WO/2021/151623A9 |
Hazardous location compliant solid state circuit protection device (100) includes at least one solid state switching element (142a-d) and a load controller (170). The solid state switching element operates in an arc-free manner to limit ...
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WO/2023/004119A1 |
A battery module includes a plurality of electrically connected cells. These cells may, in turn, include a parallel, series, or combination of both, collection of electrochemical or electrostatic cells hereafter referred to collectively ...
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WO/2023/003039A1 |
The electronic controller comprises: a first terminal (21) to which a control signal is input; a second terminal (22) connected to a low-potential side of a battery (30); a third terminal (23) connected to a high-potential side of the ba...
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WO/2023/000355A1 |
Disclosed in the present application is a current limiting circuit, comprising: a first voltage terminal; a second voltage terminal; a first transistor having an input terminal and an output terminal that are connected in series to a lin...
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WO/2023/000367A1 |
A current limiting circuit (10), comprising a first voltage end (A); a second voltage end (B); a first transistor (T1), an input end of the first transistor and an output end of the first transistor being connected in series on a line fo...
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WO/2023/283875A1 |
A surge protection circuit includes a first surge protection device (SPD) including a first terminal coupled to a voltage potential and a second terminal. A second SPD includes a first terminal coupled to the voltage potential and a seco...
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WO/2023/284360A1 |
Provided in the present disclosure is an electrostatic protection circuit for a chip. The electrostatic protection circuit comprises a monitoring unit, which is used for generating a trigger signal when there is an electrostatic pulse on...
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WO/2023/279486A1 |
Disclosed in the present disclosure are an electrostatic protection circuit and a chip. The electrostatic protection circuit is connected between a power supply VDD and a ground VSS, and comprises a filtering branch, a first inverter gro...
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WO/2023/282461A1 |
The present invention relates to an overvoltage suppression unit provided in a semiconductor circuit breaker using a semiconductor switch for power, the overvoltage suppression unit comprising: an overvoltage suppression element unit dis...
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WO/2023/279809A1 |
Provided in the present disclosure is an electrostatic protection network for a chip. The chip comprises a first power source pad, a second power source pad and a ground pad. The electrostatic protection network comprises a first electro...
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WO/2023/272976A1 |
A high voltage ride through (HVRT) device and method, a wind power converter, and a wind turbine set. The HVRT device comprises: an unloading module (200), which comprises a brake module (220) and a first switching element (210) that for...
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WO/2023/275695A1 |
Systems and apparatuses are disclosed that include a distributed power system configured to provide power to a number of loads. The system includes power converters configured to receive DC power from a common power source, each of the p...
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WO/2023/275966A1 |
A power control device 100 comprises: a power supply board 110 for supplying power to motors 41m-44m for operating a robot arm; one or more expanded capacitor boards 120 connected in parallel with a power line DCLINK of the power supply ...
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WO/2022/266702A1 |
Disclosed is a streetlight system. The streetlight system has a LED light, a battery for powering the LED light, a photovoltaic cell for recharging the battery, a transformer that in use converts a mains power supply down to an output ha...
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WO/2022/267220A1 |
The present utility model discloses a power supply circuit for a motor controller, and the motor controller, comprising a three-phase filter circuit, a three-phase surge protection circuit, a three-phase rectifier circuit, a reactor L1 a...
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WO/2022/268294A1 |
The invention relates to an inrush current limiter circuit (102, 104, 105) for a rectifier (100), wherein the inrush current limiter circuit provides a flow of a current between a rectifying part (101) of the rectifier (100) and a filter...
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WO/2022/267473A1 |
The invention relates to a high-power density, long-life and high-frequency pulse AC power supply. The power supply comprises a high-frequency pulse alternating-current power supply body, a replaceable plug-in base, a power distribution ...
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WO/2022/267907A1 |
The present application relates to the field of circuit design, and in particular, to an overcurrent protection circuit, provided in a first device. A first end of the overcurrent protection circuit is connected to an interface of the fi...
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WO/2022/263126A1 |
A vehicle electrical system (FB) is equipped with a high-voltage zone (HV), a first low-voltage zone (N1) that extends out of the high-voltage zone (HV), and a second low-voltage zone (N2) and a safety device (S). The safety device (S) c...
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WO/2022/259153A1 |
A thermally protected metal oxide varistor (TMOV) is disclosed. The TMOV features one or more magnets connected to the arc shield of the TMOV and a sensor. Once a fault condition occurs, the arc shield movement places the magnets near th...
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WO/2022/257273A1 |
Disclosed in the present invention is a protection circuit for an active discharge resistor of an electric motor controller. The protection circuit comprises an active discharge logic circuit, a drive circuit, a switch tube and an active...
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WO/2022/257227A1 |
A breathing assistance device, comprising a master control module (30), a heating circuit (10), and a heating-circuit protection circuit (20) that is connected to the heating circuit (10). The heating-circuit protection circuit (20) comp...
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WO/2022/258414A1 |
The invention relates to a method for energizing a transformer (11) in a three-phase power grid (10), wherein the phases (L1, L2, L3) of the transformer (11) are switched-on asynchronously in a manner to reduce inrush-currents flowing in...
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WO/2022/254505A1 |
The present invention uses a low-cost and simple structure to protect an electronic component. In the present invention, a protection circuit has a varistor connected in parallel to a to-be-protected component between a positive electr...
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WO/2022/219088A9 |
The present disclosure relates to a current damper for a voltage transformer, comprising a first section comprising at least one pair of diodes arranged in an anti-parallel configuration; a second section arranged parallel to the first s...
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WO/2022/247601A1 |
The present application provides a device control method and apparatus, and a device, applied to a household appliance. A main control board and a plurality of silicon controlled devices are provided in the household appliance. The metho...
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WO/2022/243203A1 |
Electric drive arrangement (1) for a motor vehicle, comprising a DC voltage source (2), a voltage converter (3) with a switching arrangement (4) and an electric machine (5), wherein the DC voltage source (2) is connected or can be connec...
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WO/2022/241851A1 |
The present utility model relates to the technical field of glass-ceramics, and specifically relates to an induced electricity bleeder circuit. The induced electricity bleeder circuit comprises a glass-ceramic heating plate, wherein a fi...
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WO/2022/243196A1 |
The application relates to a method for operating a short-circuit-protected supply system (10) for supplying a DC grid (14) from an AC grid (12), the supply system (10) comprising: - an active rectifier (20) with sinusoidal filter chokes...
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WO/2022/244144A1 |
This lightning protection device protects a power supply device from lightning surge current and comprises: a plurality of lightning protectors connected between the power supply device and a ground electrode; and an impedance control un...
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WO/2022/242819A1 |
A monitoring arrangement (10) for monitoring a surge through a surge arrester (12), said surge arrester (12) being adapted to be connected to a power network in order to protect an electrical equipment (14) of the power network against i...
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WO/2022/239932A1 |
According to various embodiments, an electronic device may comprise: an input terminal configured to receive alternating current power from an external source; an output terminal configured to output the alternating current power; an SSR...
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WO/2022/237905A1 |
The present application relates to a voltage protection apparatus and system. The voltage protection apparatus comprises: at least one piezoresistor connected in series between a signal reference ground of a printed circuit board and a f...
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WO/2022/238007A1 |
A device (1, 1a, 1b) for limiting or reducing a current rise is disclosed, which comprises input terminals (TI1, TI2) and output terminals (TO1..TO4), an annular magnetic core (2) with an air gap (G), a first coil (L1) and a second coil ...
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WO/2022/229600A1 |
A DC power supply circuit comprises a rectifying circuit for receiving an AC power supply and generating a rectified voltage, a capacitor, and a switch connected in series with the capacitor. A controller has a voltage input for sensing ...
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WO/2022/226958A1 |
A surge protection module (1) and a surge protection device. The surge protection module (1) comprises: a bearing frame (12), a mounting plate (121) of which is provided with an electrode via hole (1211); a pressure-sensitive resistor (1...
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WO/2022/226959A1 |
Disclosed in the present invention are a linkage mechanism, a base, and a surge protection device. The linkage mechanism comprises a linkage swing rod and transmission components, wherein the linkage swing rod is arranged to be rotatably...
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WO/2022/228474A1 |
A box-type transformer with a signal surge protector, the transformer comprising an electrical primary main loop (1) and a signal/communication loop (2), wherein the electrical primary main loop (1) is connected to the signal/communicati...
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WO/2022/225983A1 |
An arrester assembly including a first terminal electrically connected to an energized conductor and a second terminal electrically connected to a ground conductor. The arrester assembly further includes a plurality of arrester modules e...
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WO/2022/224205A1 |
An electrical appliance comprising: a plurality of electrical loads, each electrical load being powered from a common power source; a controller including a processor coupled to a memory, wherein the memory has stored therein a sequence ...
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WO/2022/223089A2 |
PROBLEM SOLVED BY THE INVENTION: The invention makes it possible to carry out high-quality control of loads with PTC with minimal economic costs over the entire operating temperature range, using, together with the load, automatic protec...
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WO/2022/226436A1 |
A system having a device for conducting an electrostatic discharge (ESD) current from a designated pin node. The system includes first and second pin nodes, and a switching device having a first switching threshold. The switching device ...
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