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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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WO/2020/167953A9 |
The present disclosure pertains to detection of abnormal, risky, or abberant conditions in a power distribution network and to corresponding trip signals being used to trip open devices such as reclosers upstream of where the abnormal co...
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WO/2022/149321A1 |
In a state in which a command unit (301) has output an open command signal to relays of each of bidirectional switches (1A, 1D) and has output a close command signal to relays of each of bidirectional switches (1B, 1C), thereby controlli...
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WO/2022/149256A1 |
This zero-phase current differential relay (40) comprises: a first differential amount calculation unit (210) for calculating a first differential amount on the basis of neutral point current and zero-phase current based on each phase cu...
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WO/2022/149483A1 |
In a switch device (10), an output voltage output by a micro-controller (21) is input into one end of a resistor. A drive circuit (H1) switches a main switch (F1) on or off in accordance with the resistance voltage at the other end of th...
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WO/2022/148074A1 |
A method for solving for converter valve states and valve currents based on valve-side current timing characteristics. The process is as follows: acquiring valve-side three-phase alternating currents, direct currents, and converter valve...
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WO/2022/148716A1 |
A transformer assembly (240_1) includes: a first switching apparatus (210A_1) configured to be electrically connected to a first segment (205_1) of a transformer loop; a second switching apparatus (210B_1) configured to be electrically c...
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WO/2022/145095A1 |
The present invention obtains a vehicle control device using a semiconductor fuse, in which an increase in size of the semiconductor fuse is suppressed and the occurrence of an abnormal current is detected early to be able to shut off th...
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WO/2022/144286A1 |
Fault classification and zone identification in a power transmission system are described. Voltage or current measurements are obtained at a terminal of the transmission line in each of the three phases measured during a fault. Modal tra...
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WO/2022/141027A1 |
A vehicle-mounted drive anti-reverse connection apparatus (102) and device (10). The vehicle-mounted drive anti-reverse connection apparatus (102) comprises an electric energy drive module (20) and an anti-reverse connection module (30),...
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WO/2022/145374A1 |
This protection element is provided with a first terminal, as well as a second terminal and a third terminal that are connected to the first terminal. Regarding the electrical resistance of a fuse element connecting the first terminal an...
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WO/2022/140883A1 |
The present application provides an electrochemical apparatus. The electrochemical apparatus comprises a battery management system, a battery unit, and a switch unit; the switch unit is electrically connected between the battery manageme...
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WO/2022/136414A1 |
The invention relates to a method for protecting an electrical low-voltage circuit for a protective switching device, in which method: a mechanical break contact unit (MK) is connected in series with an electronic interrupter (EU). The m...
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WO/2022/140550A1 |
A power distribution box is disclosed. The power distribution box may include a housing including one or more panels. The one or more panels may define a cavity. The power distribution box may include one or more outlets coupled to one o...
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WO/2022/136082A1 |
The invention relates to a removable battery pack (10) having a monitoring unit (52), an electromechanical interface (14) with a plurality of electrical contacts (12), wherein a first of the electrical contacts (12) of the interface (14)...
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WO/2022/136431A1 |
The invention relates to a circuit breaker device in which a mechanical break contact unit (MK) is connected in series to an electronic interruption unit (EU), - the mechanical break contact unit (MK) can be switched by breaking contacts...
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WO/2022/136136A1 |
The invention relates to a circuit breaker device (LG) comprising line-side terminals (L1, N1) and load-side terminals (L2, N2) for conductors of the low-voltage circuit, a mechanical break contact system (MK), connected to the line-side...
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WO/2022/128657A1 |
The present invention relates to a connection device (1) for an electric drive system (2) in order to connect the electric drive system (2) to a DC voltage source (3). A switching element (11) is provided in the connection device (1) bet...
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WO/2022/127893A1 |
Disclosed by embodiments of the present application are a line topology identification method and apparatus; specifically: each node connected to a line may comprise a communication module and an impedance regulation module; when an impe...
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