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WO/2022/203257A1 |
Embodiments of the present specification relate to a circuit breaker control device, a circuit breaker, and a circuit breaker test system, in which: communication is performed with a test device in a data communication manner so as to re...
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WO/2022/203107A1 |
A system for supplying power to a negative-pressure container, according to the present invention, comprises a first power supply module and a second power supply module. A power quality analysis module extracts information about power s...
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WO/2022/196661A1 |
A power supply is provided which, even in a state in which the remaining charge of a secondary battery cell has decreased and operation of a BMS has stopped, can charge the secondary battery cell and resume normal charging/discharging op...
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WO/2022/197509A1 |
A device for preventing a signal induced by hazardous EMI on a power line in a group of multiple adjacent, parallel power lines of the same phase in an electrical power system from reaching an electrical component connected to one of the...
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WO/2022/194680A1 |
The invention relates to a system comprising a feed-in device and a plurality of field devices electrically connected to the feed-in device. The feed-in device is designed to provide electrical energy for an electrical energy supply to t...
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WO/2022/197287A1 |
An electrical generator (100) and method for operating the same are provided. Accordingly, the generator includes a non-rota table component (308) supporting a field winding assembly (310) and a rotatable component (302) oriented to rota...
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WO/2022/195169A1 |
An inventive protection arrangement is for a two-stroke internal combustion engine providing power to a generator having output lines (4A, 4B 4C) with circuit breakers (5A, 5B, 5C). The protection arrangement comprises a heat resistor ba...
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WO/2022/193556A1 |
Disclosed in embodiments of the present disclosure are a motor phase loss detection method and device, and a storage medium. The motor phase loss detection method comprises: performing analysis on a given torque, torque feedback, and pha...
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WO/2022/191756A1 |
The present application relates to an electric battery junction arrangement (100; 200; 300) for connecting an electric battery arrangement (500a) to one or more electrical loads, the electric battery arrangement (500a) comprising two or ...
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WO/2022/191233A1 |
In an electric power device (10) and a method for controlling the same, a first circuit (84) is electrically connected to a first battery tray (40a) and a second battery tray (40b), a second circuit (86) is electrically connected to the ...
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WO/2022/190401A1 |
Provided is a blocking control device with which it is possible to anticipate a plurality of overcurrent states and to perform a control suited to each of the overcurrent states. This blocking control device (30) controls a blocking un...
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WO/2022/183885A1 |
Provided in the embodiments of the present invention are a low-capacitive-reactance protection method and system, and a computer-readable storage medium and a computer program product. The method comprises: acquiring sampling values of a...
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WO/2022/187461A1 |
A method for protecting an electrical transmission system having an electrical transmission line coupled to electrical equipment from hazardous EMI comprises receiving at least one pulse of hazardous EMI on the transmission line, and shu...
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WO/2022/183996A1 |
Provided are a multiport hybrid direct-current circuit breaker and a control method therefor. The multiport hybrid direct-current circuit breaker comprises at least two flow branches (101, …, 10k, …, and 10n), at least two commutator...
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WO/2022/183696A1 |
The present application provides a multifunctional multi-port hybrid direct-current circuit breaker and a control method. The circuit breaker comprises: a power flow control module, a plurality of current conduction modules, a current li...
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WO/2022/184708A1 |
A method for fault protection of a terminal box of an electric rotating machine, and an arrangement comprising a terminal box (100) for an electric rotating machine (200) for electrically connecting the electric rotating machine to an el...
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WO/2022/185094A1 |
The present invention discloses a method for recommending an intelligent electronic device (lED) from a plurality of lEDs connected in a communication network of a substation with a computing system. The computing system is communicative...
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WO/2022/182676A1 |
A system and method for determining when an electronic interrupting device will open in response to detecting overcurrent, where the interrupting device protects a transformer in a power distribution network. The method includes obtainin...
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WO/2022/181600A1 |
The present invention blocks a current by reliably fusing a fuse element of an SCP with a simple circuit configuration. This power supply comprising a battery unit performs, with a control circuit 7, ON/OFF control of a switch 6 which ...
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WO/2022/179111A1 |
Disclosed are a method and apparatus for processing transmission data of a line-protection fiber channel, the method comprising: acquiring a numerical value of a data frame format in a communication message sent by an opposite side; when...
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WO/2022/181652A1 |
The present invention provides a protection element which is capable of safely and quickly blocking a current path without causing breakage of an insulating layer or a heating element. This protection element is provided with an insula...
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WO/2022/176169A1 |
This lightning protection system is provided with a current suppressor, a lightning arrester, a current measurement instrument and a control device, wherein the current measurement instrument measures the value of current flowing from a ...
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WO/2022/175108A1 |
Provided is a power distribution network. The power distribution network comprises a ring-formed power line and a plurality of power nodes connected to the ring-formed power line. In addition, the power distribution network includes a pl...
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WO/2022/174807A1 |
Disclosed is an inverter system, comprising a dual three-phase electric motor, a first current sensor, a second current sensor, an electric motor control module, and a plurality of inverters arranged in parallel, wherein the plurality of...
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WO/2022/177873A1 |
Cell assemblies and methods for assembling cell assemblies include installing a plurality of cells within a cell housing and electrically connecting each cell to each other cell through at least one wire bond, wherein each wire bond is s...
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WO/2022/176170A1 |
A lightning protection system comprising a lightning arrester, a detector and a control apparatus, wherein the detector inputs an inspection signal into a grounding line which connects a to-be-protected device to the lightning arrester a...
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WO/2022/174623A1 |
The present application discloses a series-type inverter system and a protection method therefor. In the present application, a fault current is suppressed when a positive line or negative line is short-circuited to the ground. A protect...
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WO/2022/171612A1 |
Controlled switching of a zigzag transformer is described. An average residual flux value of a first equivalent phase of a transformer is obtained, where the first equivalent phase is associated with magnetically interdependent windings ...
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WO/2022/172713A1 |
An on-vehicle control device (1) has: a plurality of relays (10A, 10B, 10C, 10D); a control unit (13); and a plurality of current detection units (11A, 11B, 11C, 11D). The plurality of current detection units (11A, 11B, 11C, 11D) detect ...
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WO/2022/167863A1 |
A method includes energizing a transformer from a deenergized state by turning on a solid-state transfer switch to conductively couple a power source on a first side of the solid- state transfer switch and a transformer on a second side ...
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WO/2022/166928A1 |
Disclosed are a rapid shutdown system for photovoltaic grid-connected power generation, which system relates to the technical field of photovoltaic grid-connected power generation. The utility model mainly comprises a short circuit shutd...
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WO/2022/167346A1 |
The present invention relates to a circuit arrangement (1), comprising at least one supercapacitor (3) and at least one bypass circuit (9, 9') connected in parallel to the supercapacitor (3), wherein the at least one bypass circuit (9, 9...
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WO/2022/170282A1 |
Methods and systems for controlling a circuit designed to protect electrical equipment, in particular sensitive power grid equipment such as transformers, are disclosed. In particular, methods of local and remote control of operation of ...
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WO/2022/169353A1 |
Disclosed is a backup electricity supply system for a nodal branch of a cable television network, for supplying power from another nodal branch with normal electricity supply or from an auxiliary generator, using: an automatic phase sele...
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WO/2022/166004A1 |
Disclosed in the present invention are a superconducting magnet system and a quench protection circuit therefor. The quench protection circuit comprises: a superconducting unit, a first diode integrated component, a second diode integrat...
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WO/2022/166867A1 |
The present application provides a method and apparatus for handling a direct-current side line fault of a voltage source converter, the voltage source converter being provided at a rectification end or an inversion end of any one direct...
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WO/2022/165859A1 |
Disclosed in the present invention are a direct current distribution network protection method and system, and a failure recovery method and system. According to the present invention, a failure position is determined on the basis of ove...
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WO/2022/160533A1 |
The present invention provides a level shift circuit (100) and a level shift integrated circuit (IC) (200). By forming a series connection with a first diode and an output end and an input end of a level shift module (110), the problem i...
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WO/2022/164040A1 |
In a battery pack, a battery monitoring circuit is connected to a battery module including a plurality of battery cells to monitor the battery module. A detection sensor detects an electrolyte leaked from a battery module, and comprises:...
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WO/2022/106311A9 |
In the field of High Voltage Direct Current (HVDC) power transmission networks, there is a need for an improved protection circuit to protecting a whole or part of such a network. A protection circuit (10; 100), for protecting a whole or...
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WO/2022/164163A1 |
An overvoltage protection circuit according to an embodiment of the present invention comprises: an input terminal to which power is input and an output terminal which outputs the power to a load; a first switch that is located between t...
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WO/2022/160776A1 |
Disclosed is a failure analysis method based on a relay protection on-line monitoring and analysis system. When a power grid fails, the method can automatically filter and extract information transmitted by applications such as a protect...
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WO/2022/158989A1 |
A method of detecting a high-voltage power line fault in a three-phase power supply system, comprising acquiring voltage data from the low-voltage side of a three-phase distribution transformer; processing the voltage data to determine a...
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WO/2022/156493A1 |
The present disclosure relates to a battery protection system, a battery protection method and a vehicle. The battery protection system of the present disclosure comprises: a fuse, which is disposed on a main loop of a battery; a contact...
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WO/2022/157836A1 |
This charging/discharging control circuit of a battery device uses a discharging control switch element and a charging control switch element, which are connected between a secondary battery and a load or a charger, to control the chargi...
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WO/2022/158347A1 |
A self-diagnostic circuit (BST1) diagnoses an abnormality detection circuit (20) having a first comparator (CMP1) to which a first reference voltage (Vref1) and a voltage based on an abnormality detection target voltage (Vo1) can be inpu...
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WO/2022/156488A1 |
The present application relates to a fault protection device and a photovoltaic power generation system. The photovoltaic power generation system comprises: a capacitor bridge arm, the capacitor bridge arm comprising a positive electrode...
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WO/2022/158748A1 |
The present invention relates to a UPS module for supplying alternative power during a power outage, the UPS module comprising: a first AC-DC converter that converts AC current supplied from a commercial power supply into DC current to b...
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WO/2022/153872A1 |
A power supply control device (10) is mounted in a vehicle (C). The power supply control device (10) switches a semiconductor switch (20) on or off to control the supply of power via the semiconductor switch (20) and a fuse (21). The sem...
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WO/2022/152005A1 |
Provided is a battery protection circuit. The battery protection circuit is connected to a battery module composed of a plurality of batteries that are connected in series. The battery protection circuit comprises a measurement module, a...
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