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WO/2021/124721A1 |
A purpose of the present disclosure is to suppress a worsening in electrical contact resistance between a charging device and a transport device. A power storage unit of a transport device (1) is charged by charging current input via a p...
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WO/2021/121967A1 |
The electronics according to the invention comprise a load circuit (M1) having a circuit input (M1.1), a supply circuit (M2) having a circuit input (M2.1), having two circuit outputs (M2.2), (M2.3) and at least one chargeable energy stor...
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WO/2021/121656A1 |
The invention relates to a method for operating an electric vehicle and electric vehicle, comprising an electrical drive device for the driving movement of the vehicle, a control device for controlling the driving movement of the vehicle...
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WO/2021/124952A1 |
[Problem] To prevent electric shock to a human body without using an insulating means such as a transformer in a power source device for vehicles that is mounted in a vehicle and achieves a low voltage power source from a high-voltage po...
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WO/2021/119938A1 |
A hybrid circuit breaker (100), a hybrid circuit breaker system, and a circuit breaker method. The hybrid circuit breaker (100) comprises: a first mechanical contact (MC1); a semiconductor circuit breaker (MSS), which is connected to the...
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WO/2021/127579A1 |
Systems for disconnecting a surge arrester. One embodiment provides a surge arrester comprising a housing, a connecting interface configured to connect to an electrical power grid, and a disconnector device coupled to the connecting inte...
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WO/2021/118112A1 |
A current measurement apparatus for a three-phase inverter, according to one embodiment of the present invention, comprises: a current detection element connected to a lower end of one of three lower switches constituting the inverter; a...
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WO/2021/115101A1 |
The present invention provides a medium-high voltage bidirectional all-solid-state direct-current circuit breaker and a high-potential energy supply apparatus thereof. The medium-high voltage bidirectional all-solid-state direct-current ...
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WO/2021/117566A1 |
A protection circuit 100 of a power storage device 20 equipped with external terminals 58A, 58B, the protection circuit 100 being equipped with a return circuit 110 connected in parallel to a load 12 connected between the external termin...
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WO/2021/118071A2 |
The present invention relates to a protective relay for detecting disconnection in a circuit to which a transformation unit is connected, the protective relay comprising: a disconnection detection unit including a plurality of nodes conn...
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WO/2021/114599A1 |
A passive semi-controlled hybrid direct current circuit breaker and a control method therefor. The passive semi-controlled hybrid direct current circuit breaker comprises: a quick mechanical switch K, a resonant module, an energy-consumi...
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WO/2021/113252A1 |
A method for performing a low energy pulse testing in a power distribution network that causes contacts to close and then open in about one fundamental frequency cycle of current flow time and close on a voltage waveform that produces sy...
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WO/2021/112509A1 |
An ESS according to an embodiment of the present invention comprises a plurality of battery modules and a battery protection unit. The battery protection unit comprises: a first fuse; a second fuse; a first disconnector; a second disconn...
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WO/2021/112390A1 |
A clothing processing device of the present invention comprises: a drum; a door which opens and closes the drum; an open and close switch which outputs a signal corresponding to the opening and closing of the door; a motor which rotates ...
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WO/2021/112452A1 |
The voltage monitoring circuit according to one embodiment of the present invention comprises: a clamping unit for clamping the voltage of input power supplied from a power source to base voltage, and outputting to an MCU; and a switch u...
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WO/2021/109641A1 |
Provided are a transformer short-circuit protection circuit and a television. The transformer short-circuit protection circuit comprises a detection sub-circuit and a switch sub-circuit, wherein a first detection end of the detection sub...
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WO/2021/110496A1 |
An apparatus (100) comprising: a first fuse (110) having a first breaking capacity, a first set of time-current characteristics, and a first rating; a second fuse (120) having a second breaking capacity, a second set of time-current char...
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WO/2021/112334A1 |
An apparatus and a method for controlling an inverter are disclosed. A method, according to one embodiment of the present invention, receives an operation command for an inverter, outputs a first PWM control signal, to an inverter unit, ...
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WO/2021/104664A1 |
The invention relates to an installation comprising a stored energy source and an electric motor which can be fed by an inverter, and to a method for operating an installation, wherein the stored energy source forms an electrical series ...
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WO/2021/107457A1 |
The present invention relates to a high-current protection device for a secondary battery and a battery pack comprising same. The high-current protection device for a secondary battery of the present invention comprises: an insulating su...
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WO/2021/106345A1 |
A vehicle-mounted battery system comprises: a battery; a relay for energizing or interrupting a connection between the battery and an inverter; a plurality of switches for switching the relay, the switches being provided on a current pat...
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WO/2021/101884A1 |
In a network data center, systems and methods which reduce the number and duration of power interruption events resulting from over-current and short-circuit conditions are disclosed. The systems and methods shift loads between electrica...
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WO/2021/099413A1 |
The present specification provides a method and device for determining a disturbance condition in a power transmission line. The method includes obtaining (302) a plurality of sample values corresponding to an electrical parameter measur...
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WO/2021/093711A1 |
A protection circuit for a power supply, and a power supply. The protection circuit comprises: a detection module comprising a detection input end and a detection output end, wherein the detection input end is used for acquiring a fault ...
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WO/2021/093357A1 |
The invention provides a charging/discharging overcurrent protection circuit and method. The circuit comprises: an internal resistance sensing module, for sensing total internal resistance of serial charging/discharging switch transistor...
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WO/2021/095617A1 |
This protection circuit is provided with a plurality of protection elements connected in series on an energization path with a battery and an external circuit. Each of the plurality of protection circuits comprises a fuse element connect...
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WO/2021/090845A1 |
This power supply circuit for a work machine is provided with a first switch for switching connection and disconnection of a first electrical path provided between a battery and a load which is driven with the power of the battery, and a...
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WO/2021/090948A1 |
The present invention provides a protection circuit which is capable of improving the safety by reliably preventing overcurrents and sneak currents after shut-off, which enables cost reductions via device configurations that are simpler ...
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WO/2021/090947A1 |
Provided is a protection circuit that can reliably prevent overcurrent or sneak current after interruption and improve safety, that can realize a cost reduction with a device structure that is simpler than conventional device structures,...
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WO/2021/084873A1 |
The battery monitoring device (10) monitors a battery unit (3) equipped with a plurality of battery portions (3A). The battery monitoring device (10) has: a flexible board (20) equipped with a signal line (28) for transmitting a signal b...
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WO/2021/083656A1 |
A system for monitoring the state of a cable (C), comprising a plurality of reflectometry devices (M1,M2,M3,... Mn-1,Mn) capable of injecting a test signal at an injection point of the cable and measuring a signal back-propagated in the ...
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WO/2021/084573A1 |
An embodiment of the present invention is a voltage supply device characterized by having: a controller that outputs, from a power supply circuit to an external device, a signal indicating one bus voltage that is negotiated and determine...
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WO/2021/083655A1 |
A system for monitoring the state of a cable (C), comprising a plurality of transferometry devices (M1, M2, M3, ... Mn-1, Mn) capable of injecting a test signal into the cable and measuring a signal propagating in the cable, the transfer...
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WO/2021/085118A1 |
In this drive device, a first connection circuit (A), a second connection circuit (B), and a third connection circuit (C1) are separately connected between an input end (20a) and an output end (20b). A first motor (11) is connected betwe...
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WO/2021/086105A1 |
An electronic device for preventing a burnout caused by overcurrent and a method therefor are provided. The electronic device comprises: a power amplifier configured to amplify a transmitted signal; a battery configured to provide a bias...
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WO/2021/087003A1 |
A method and apparatus for tertiary control with over-current protection. In one embodiment, the method comprises calculating at least one unconstrained optimal net intertie target for an area of a power network; calculating, for each re...
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WO/2021/080443A1 |
The invention relates to a superconducting electrical switch. The switch comprises two parallel branches of superconducting material in a loop, and a magnetic field generator which generates a time-varying magnetic field through the loop...
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WO/2021/077685A1 |
Disclosed is a DC-AC correction wave inverter having an output short circuit protection circuit. The DC-AC correction wave inverter comprises: a boosting unit, wherein the boosting unit is used for converting an input voltage; a rectific...
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WO/2021/080973A1 |
The present system and method allow for the detection and diagnosis of abrupt changes of a device operating condition using a sensor array disposed in the coolant where the device is located. The purpose of the sensor array is to identif...
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WO/2021/072913A1 |
A line protection traveling wave distance measurement method and apparatus. The method comprises: performing fault detection according to collected power frequency data and traveling wave data, and determining whether to perform protecti...
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WO/2021/073219A1 |
The present invention relates to a method and system for protecting a GIL-overhead hybrid line, the GIL-overhead hybrid line consisting of a GIL line segment and overhead line segments disposed at two ends of the GIL line segment. Two si...
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WO/2021/072884A1 |
Disclosed in the present invention are a bidirectional charging and discharging power line and a bidirectional charging and discharging circuit. The power line comprises: a first interface, a second interface, several transmission lines ...
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WO/2021/073663A2 |
Disclosed in the present invention are a pin multiplexing-based temperature protection method and a circuit. The method comprises: by means of a temperature system temperature measurement sub-circuit, measuring a real-time drive output c...
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WO/2021/070468A1 |
This general-purpose battery outer shape type wireless charging battery is provided with: a secondary battery; a wireless charging circuit which is connected to the secondary battery; exterior members (21, 22) which have outer shapes sim...
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WO/2021/069315A1 |
Disclosed is a motor protection device (1). The motor protection device (1) includes an interrupter unit (11, Q1, Q2) for electrically connecting a power supply (Vcc) and an electric motor (M) in an operation mode and electrically discon...
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WO/2021/063288A1 |
Embodiments of the present invention relate to the field of automotive technology and provide a battery that has application in automotive diagnostic tablets. The battery comprises a battery cell, a positive electrode interface, a negati...
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WO/2021/062464A1 |
A system for monitoring a multiple earth neutral (MEN) link enables the improved safety of electrical switchboards installed in buildings and other locations. The system comprises a switchboard connected to a mains power supply via an ac...
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WO/2021/063290A1 |
The present invention embodiments relate to the field of automotive technology. Disclosed is a battery that has application in automotive diagnostic tablets. The battery comprises a battery cell, a positive electrode interface and a nega...
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WO/2021/058088A1 |
The present invention relates to an instrument transformer (1) for high current and/or high voltage conversion and a method for fluid-level measurements within the instrument transformer (1), comprising a housing and at least an active p...
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WO/2021/056896A1 |
Provided in the present invention are a direct current microgrid branch linkage control system and method. The direct current microgrid branch linkage control system comprises: a detection unit, which detects in real time the voltage and...
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