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WO/2024/009489A1 |
Provided is a noise filter (100) to be connected to a power line (PL), comprising: a detection unit (120) that detects noise in the power line (PL); a compensation signal generation unit (140) that generates a compensation signal which a...
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WO/2024/002248A1 |
The present invention relates to a solid-state motor starter, comprising three electronic switch modules. An input end of each electronic switch module is connected to one phase of an alternating-current power supply, and an output end t...
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WO/2023/249447A1 |
A power conversion device according to an embodiment of the present invention comprises: a power conversion unit that converts and outputs input power; an auxiliary power unit that receives power from a first input/output terminal of the...
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WO/2023/250030A1 |
Technologies and implementations for a voltage management circuit. The voltage management circuit may be configured to facilitate management of behavior of electronic devices including management of process corners associated with semico...
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WO/2023/247107A1 |
The present disclosure relates to a start-up method for reducing inrush current to a transformer (3) when closing a switching device (2). The method comprises monitoring a voltage (U) in one of the phases. The method also comprises, for ...
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WO/2023/241124A1 |
Provided in the present invention are a jump edge detection module, a bleed control circuit, a method and an LED drive system. The bleed control circuit comprises: a current control module which controls a bleed current, and when a curre...
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WO/2023/244794A1 |
A fault managed power system (FMPS) and method therefor can limit the cumulative effects of repeated current pulses on the human body during a fault without changing the amplitudes of the current pulses. Upon detection of a fault, the fa...
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WO/2023/240727A1 |
Embodiments of the present disclosure disclose an electrostatic protection circuit and a semiconductor chip. The electrostatic protection circuit is connected to a first voltage end and a second voltage end. The electrostatic protection ...
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WO/2023/227342A1 |
The invention relates to a method for pre-magnetizing a medium voltage transformer (T1) which is designed to carry out a voltage transformation between a medium voltage of a medium voltage grid (MVG) on a medium voltage side of the mediu...
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WO/2023/227250A1 |
A solid-state circuit breaker (10) for a DC system includes a switching module (110) having a first terminal detachably connectable to a DC power source (20) and a second terminal detachably connectable to a load (32). The switching modu...
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WO/2023/229258A1 |
A switching mode power supply is disclosed. The switching mode power supply comprises: a power input unit which receives input of an input alternating current (AC) voltage; a rectifying unit which rectifies the input AC voltage; a conden...
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WO/2023/218299A1 |
A circuit for limiting current includes a current modulating circuit comprising a current modulating circuit control terminal, a shunt resistance connected in series with the current modulating circuit, a current-to-voltage converter con...
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WO/2023/216501A1 |
Disclosed in embodiments of the present invention are a line protection method for a flexible grounding system of a power distribution network, and a related device. The method comprises: under the condition that a grounding fault occurs...
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WO/2023/215071A1 |
An electronic circuit breaker is configured to provide a fail-safe mode. It comprises an overvoltage protection device (407), a sensing and control circuit (415) configured to open an air gap and a differential current transformer (405) ...
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WO/2023/209626A1 |
A device for generating a virtual neutral point comprises a first terminal (2), a second terminal and a third terminal connectable respectively to a first phase (V1), to a second phase (V2) and to an earth node (PE) of a multiphase power...
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WO/2023/212452A1 |
In one embodiment, an apparatus includes a surge voltage blocker circuit to couple between a distribution grid network and a grid-side power converter of a power conversion system. The surge voltage blocker circuit may include a pluralit...
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WO/2023/201765A1 |
A voltage detector has a diode ladder with one or more diodes connected in series between a battery voltage input and an upper measuring node. A measuring diode is connected between the upper measuring node and a lower measuring node. A ...
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WO/2023/204471A1 |
An electronic device according to an embodiment disclosed in the present document may comprise: a connector which includes at least one pin; a data conversion circuit which converts data, transmitted/received through a designated pin amo...
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WO/2023/204332A1 |
A leakage current cutoff system according to the present invention comprises: a first cable and a second cable which are connected between a connection part to which electronic equipment is connected and a power distribution part, and wh...
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WO/2023/202489A1 |
The present disclosure relates to a thermally protected varistor, comprising a frame, a varistor, a sliding block, elastic pieces and a reed electrode, wherein the sliding block is arranged between the reed electrode and the varistor; th...
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WO/2023/202147A1 |
The present invention relates to the technical field of chips. Disclosed are a field-effect transistor array and a multi-module heterogeneous chip. The field-effect transistor array comprises a plurality of field-effect transistors, whic...
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WO/2023/200661A1 |
The present disclosure generally relates to biasing an isolation region in a semiconductor substrate. In an example, an integrated circuit includes a semiconductor substrate (112), a first rectifying device (212), and a second rectifying...
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WO/2023/194810A1 |
The method and systems described herein provide for identifying and mitigating undesirable power or voltage fluctuations in regions of a semiconductor device. The method includes detecting a region, such as an individual processor, of a ...
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WO/2023/191846A1 |
A system and method for persistent monitoring, detecting, and mitigating detecting and isolating a high-altitude electromagnetic pulse ("HEMP") along electrical lines electrically connected to a monitored infrastructure so as to protect ...
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WO/2023/186433A1 |
A device (20) comprising a suppression unit (10) and a measurement circuit (24), wherein the suppression unit (10) comprises at least two parallel connected protection branches (30) connected between a surge arrester (28) and ground. The...
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WO/2023/191741A1 |
The invention relates to a superconducting fault current limiting transformer (10) for enabling the limitation of fault current in the event of a fault, comprising a metal core (100) provided in layered form, a first coil provided to a f...
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WO/2023/186434A1 |
A device (20) comprising a diversion circuit (10) and a harvesting circuit (24), wherein the diversion circuit (10) comprises at least two parallel connected protection branches (30) connected between a surge arrester (28) and ground. Th...
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WO/2023/182668A1 |
The present invention relates to a superconducting fault current limiter having a direct cooling structure and a method for controlling same. The superconducting fault current limiter having a direct cooling structure, according to the p...
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WO/2023/183143A1 |
One example includes a power supply system. The system includes a voltage-limit power regulator to generate an output voltage and an instantaneous overvoltage sensor configured to detect an overvoltage condition associated with the outpu...
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WO/2023/175984A1 |
Provided is an inrush current prevention device that is used at a specific location in a DC power-feeding system in which a plurality of locations, each provided with a power-feeding device, are connected by a power-feeding line, the inr...
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WO/2023/176348A1 |
A circuit protection device (20) for protecting monitoring circuits (22) that monitor the voltage of a power source unit (1) is provided with: overvoltage protection elements (212) that are connected between a plurality of detection line...
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WO/2023/168797A1 |
Provided is an electrostatic protection circuit, comprising a discharge unit (100); the discharge unit (100) is connected to a power pad (VDD), a ground pad (VSS) and an I/O pad and can discharge an electrostatic charge when there is an ...
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WO/2023/172627A1 |
A power distribution system may include two or more solid-state power controllers (SSPCs) to regulate power between an input power source and two or more loads, where each of the two or more SSPCs is configured to be coupled to a differe...
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WO/2023/164941A1 |
A power supply circuit and a frequency adjustment method, used for improving the operation stability of a processing module (200). The power supply circuit obtains a working voltage of the processing module (200), and generates, accordin...
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WO/2023/166063A1 |
The invention relates to a monitoring system for monitoring a voltage network (12), having a protection device (16) which is to be incorporated into the voltage network (12) and comprises at least one triggering protection component (18)...
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WO/2023/165902A1 |
Adapter for insertion into a two-wire line, comprising: an adapter housing (200); adapter electronics (201) which are disposed in the adapter housing and connect a first terminal element (202) to a third terminal element (204) through a ...
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WO/2023/164919A1 |
A terminal protection network, which comprises one or more terminal protection circuits (204, 206, 208), each having at least two terminals (T1, T2) connected respectively to at least two of three terminals (T1, T2, T3) of a primary comp...
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WO/2023/167886A1 |
An arrester assembly including a first support member and a constant tension spring including a first end and a second end. The first end is mechanically coupled to the first support member such that the second end of the constant tensio...
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WO/2023/160968A1 |
The invention relates to a method for operating a circuit breaker (100) which couples a load circuit (200) to be protected to a supply circuit (300). The circuit breaker (100) has a mechanical switch element (110) and an electronic switc...
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WO/2023/159279A1 |
An electrical testing device comprising a first conductor, a second conductor, an active conductor, a neutral conductor, an earth conductor and one or more connectors to connect the active conductor, the neutral conductor and the earth c...
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WO/2023/163998A1 |
An arrester including a metal oxide varistor (MOV) disc and a spark gap assembly electrically connected in series with the MOV disc. The spark gap assembly includes a spark gap and a frequency-dependent grading capacitor electrically con...
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WO/2023/155514A1 |
A method and apparatus for verifying a buffer resistor, and a terminal and a storage medium, which relate to the technical field of circuits. The method for verifying a buffer resistor specifically comprises: acquiring an electric energy...
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WO/2023/155317A1 |
Provided is an ESD protection circuit (400) used for protecting a detection circuit and comprising a window selection switch. The window selection switch is provided with two parasitic diodes, the negative electrode of one parasitic diod...
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WO/2023/155391A1 |
The present patent relates to the field of low-voltage electric appliances, and in particular to a thermal disconnection and indication mechanism which is applied to a surge protector. The thermal disconnection and indication mechanism c...
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WO/2023/155087A1 |
An electrostatic discharge (ESD) protection system of a micro device is disclosed in the present disclosure. The ESD protection system includes: a pixel driver circuit electrically connected to at least one micro LED pixel for controllin...
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WO/2023/156659A1 |
An electrostatic discharge, BSD, protection device coupled between a first node (A; C) and a second node (C; A), said BSD protection device comprising: a first branch (100) between the first node and the second node, said first branch co...
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WO/2023/155416A1 |
Provided is a blocking-type surge protector for accelerated turn-off, comprising: a first transistor (M1), a drain electrode thereof connected to a first port; a second transistor (M2), a drain electrode thereof connected to a source ele...
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WO/2023/154629A1 |
Different overvoltage protection (OVP) devices and methods of operation thereof are provided. Optionally, an OVP enclosure may be configured to determine temperature data and generate an alarm indicator based upon the temperature data. T...
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WO/2023/151872A1 |
For a hybrid circuit breaker (1), comprising a mechanical bypass switch (8) and a voltage source arrangement (9) disposed in an outer conductor path (2), a first semiconductor circuit arrangement (11) connected parallel to the mechanical...
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WO/2023/149316A1 |
A wireless power reception device (10) comprises a power reception interruption circuit and an impedance adjustment circuit. The power reception interruption circuit causes a rectification circuit to execute a rectification operation if ...
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