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WO/2022/092485A1 |
A protection device for a closed-loop power distribution system, according to the present invention, comprises: a circuit breaker for cutting off current; and an artificial intelligence device for determining the cutoff of the circuit br...
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WO/2022/091631A1 |
[Problem] To prevent electric shock to a human body without using an insulating means such as a transformer, in a vehicle power supply that is mounted on a vehicle and obtains low-voltage power from high-voltage power via a step-down mea...
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WO/2022/091146A1 |
An electronic device for overvoltage discharge (100) is described, based on the concept that an overvoltage, depending on entity and type, can be grounded or reabsorbed by one or more electronic elements, comprising an electronic input s...
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WO/2022/091630A1 |
The purpose of the present invention is to prevent electric shock to a human body without using an insulating means such as a transformer in a vehicle power source device that is installed in a vehicle and that obtains a low-voltage powe...
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WO/2022/089587A1 |
Disclosed is a power supply protection assembly, comprising: a power source module (10), a detection module (20), a drive module (30) and a power output end (50), wherein the power source module has a power supply loop and is connected t...
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WO/2022/086998A1 |
A Battery Management System (BMS) integrating solid-state relay and current shunt sensor on a single printed circuit board assembly (PCBA), in lieu of traditional electro-mechanical contactors and fuses and external current sensor, is di...
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WO/2022/083888A1 |
Methods, devices and systems for detecting an anomaly in a power network are described. A method for detecting an anomaly in a power network includes determining a baseline power usage in the power network, receiving data indicative of a...
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WO/2022/081778A1 |
A fault managed power system (FMPS) and method monitors and detects fault currents in PoE, PFC, and other cables that indicate likely human contact with cable conductors. The level of current detected through the human body combined with...
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WO/2022/080833A1 |
Suggested in a technical objective to be achieved by the present invention is a method for measuring a leakage resistance and leakage capacitor, the method in which the existence of both a leakage resistance and a leakage capacitor in bo...
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WO/2022/078627A1 |
A device includes an electro-mechanical switching device having an open-circuit and closed- circuit conditions and a path of least resistance having a path input and a path output with the switching device between the input and the outpu...
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WO/2022/078008A1 |
A soft-start protection circuit and a circuit protection integrated chip. The soft-start protection circuit comprises: a protection chip, a first switch tube, a second switch tube, a third switch tube, a fourth switch tube, a first capac...
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WO/2022/078779A1 |
It is provided an electrical substation, a method of operating an electrical substation and a use of an electrical substation to supply power having a benefit that emergency power and transformer pre-magnetization may be integrated.
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WO/2022/074985A1 |
This monitoring device (1) for an assembled battery connects a first connector (21) provided on an assembled battery (2) side and a second connector (31) provided on a monitoring circuit (3) side and monitors a state of the assembled bat...
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WO/2022/072570A1 |
A system and method for restoring power in a power distribution network. The network includes at least two power sources, at least one feeder and a plurality of switching devices positioned along the at least one feeder and being in comm...
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WO/2022/069187A1 |
The invention relates to a high-voltage direct-current switching system (1), to the use thereof, and to a method for switching DC voltages in the high-voltage range, comprising at least one busbar (3) for load currents, at least one busb...
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WO/2022/065031A1 |
This arc detection system (100) comprises an acquisition unit (11) and a determination unit (12). The acquisition unit (11) acquires the measurement result of current (I1) flowing through a feeding path (L1) to which power is supplied fr...
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WO/2022/064733A1 |
This overcurrent protection circuit 4 comprises: a current detection unit 41 that detects output current flowing from a DC power supply circuit 2 to a load; a threshold value setting unit 43 that sets a prescribed threshold value for the...
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WO/2022/064010A1 |
A method for detecting a phenomenon in an electrical power network comprising at least one protection zone with at least two subzones. The method comprising measuring in the subzones of the protection zone at least one current signal act...
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WO/2022/059976A1 |
The present invention relates to a DC power breaker for photovoltaic power generation installed between a plurality of photovoltaic modules and a connection panel and, more particularly, to a DC power breaker for photovoltaic power gener...
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WO/2022/057792A1 |
A protective circuit, comprising a micro circuit breaker (100), a surge protection device (300) and a trip control circuit (200), wherein the trip control circuit (200) comprises a zero-sequence transformer (210), a first comparison modu...
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WO/2022/053131A1 |
The invention relates to an electric grid comprising feed-ins, loads, and a distribution grid which is located therebetween and is composed of at least one dynamic insulator and busbars, wherein the feed-ins and the loads together with a...
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WO/2022/053329A1 |
Fault detection in a shunt capacitor bank connected to a power system is described. Voltage and current measurements are obtained at a terminal of the shunt capacitor bank. An electrical parameter is calculated based on the voltage and c...
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WO/2022/054546A1 |
An overcurrent protection circuit (10) is provided with: a fourth terminal (Q2, G) into which a prescribed threshold voltage is input; a sixth terminal (Q2, S) which is connected to a first terminal (Q1, G) of a switching device (Q1); a ...
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WO/2022/048285A1 |
A high-reliability multiphase power supply system and method. A second processing unit configures a first field-effect transistor, the drain of the first field-effect transistor is connected to a power supply, the source of the first fie...
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WO/2022/049188A1 |
In the field of high voltage direct current (HVDC) power transmission schemes, there is a need for improved detection of ground faults. A bipole power transmission scheme (12; 112) typically includes a first converter station (14) that i...
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WO/2022/044169A1 |
This DC power distribution system uses DC current to distribute power from a power distribution-side site to one or more power reception-side sites via a power distribution network, said DC power distribution system comprising a control ...
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WO/2022/044278A1 |
Provided is a digital protective relay (1) that inputs an alternating current flowing through a transformer (3) and that performs a cutoff operation of a circuit breaker (2) connected to the transformer (3) when an overcurrent is detecte...
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WO/2022/041856A1 |
Embodiments of the present application provide a series/parallel converter protection system, comprising a controller, a driver, a first switch tube, and a second switch tube; the input end of the converter is connected to the output end...
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WO/2022/038389A1 |
An electrical safety apparatus includes a ground fault circuit intermpter (GFCI) module, a timer module and a housing without a display screen. The GFCI module includes a sensor configured to output a differential current signal accordin...
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WO/2022/038206A1 |
To generate a decision logic for a controller (31, 32, 33) of an Industrial Automation Control System, IACS, an iterative process is performed in which a decision logic candidate for the decision logic is generated, and a performance of ...
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WO/2021/248128A9 |
In a line to line fault detection and protection system, a source end power supply supplies power to a remote load over a transmission line and monitors the dynamic behavior of a transmission line power characteristic. If that dynamic be...
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WO/2022/030467A1 |
This electrical discharge detection system includes multiple filter circuits 32 which are electrically connected to electric circuits and which pass noise, multiple amplifiers 31 which are electrically connected to the filter circuits 32...
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WO/2022/031408A1 |
A load center (105) comprises a common instantaneous tripping unit (107) that works on a principle of solid state switching. The load center further comprises a plurality of branches (110(1) - 110(8)) of branch circuit breakers each of w...
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WO/2022/029498A1 |
Systems, methods, techniques and apparatuses of ground fault protection are disclosed. One exemplary embodiment is a power switch being structured to receive a load current from a power source at a source-side and selectively output the ...
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WO/2022/030466A1 |
A discharge detection device 1 according to the present invention comprises: a filter circuit 11 for causing noise superimposed on a current or a voltage to pass through the filter circuit 11; an amplifier 12 for amplifying the level of ...
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WO/2022/032251A1 |
One or more examples relate, generally, to a programmable voltage lockout circuit (104) provided at an electronic device (102). Such a programmable voltage lockout circuit asserts a lockout of the electronic device at least partially res...
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WO/2022/027919A1 |
Disclosed are an over voltage protection circuit and an electronic device. The over voltage protection circuit comprises: a measurement circuit, used for measuring an output voltage; a first protection circuit, connected to the measureme...
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WO/2022/027775A1 |
A power monitoring cloud platform alarm apparatus, comprising a low-voltage circuit breaker body (1), a stabilized voltage supply (2), a storage battery (3) and a short message module (4), and further comprising a high-low voltage detect...
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WO/2022/023508A1 |
The present invention relates to a high-side switching circuit with output short-circuited protection, of which an input terminal is coupled to a power source and an output terminal is coupled to a load, and which comprises: a high-side ...
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WO/2022/023322A1 |
The invention relates to the field of electronic circuit breaker control units, particularly for Residual Current Devices, RCDs. The electronic circuit breaker control unit (100) comprises a first thyristor (162), configured for driving ...
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WO/2022/021538A1 |
A control device and a control method for a traction converter. The control device comprises a voltage measurement circuit and a transmission control unit. The voltage measurement circuit is used for measuring a power grid voltage and ou...
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WO/2022/018234A1 |
A protection apparatus (1) for protection of an electrical load (9), said protection apparatus (1) comprising: at least one input terminal (2) adapted to receive a power supply voltage; at least one semiconductor power switch (5) connect...
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WO/2022/019460A1 |
Provided are an electronic device and a method for controlling same, which by sensing a voltage between a plurality of live terminals, determine whether there is an error in power supply through a power input terminal and control an oper...
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WO/2022/012603A1 |
Disclosed are a short-circuit protection circuit for a switch power source, and a chip and a system. The short-circuit protection circuit comprises: a collection module, which is used for collecting an input voltage, and generating a fir...
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WO/2022/012876A1 |
The invention relates to a semiconductor chip (1) with functions that are implemented thereon in the circuitry, having a first region (2), in which a first group of security-relevant base functions (3) are implemented in the circuitry, a...
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WO/2022/011469A1 |
Electrical system and method for detecting an end-of-life (EOL) of a circuit are disclosed. In an embodiment, the electrical system includes a sensing circuit for detecting variance of an input electrical power to an electrical device; a...
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WO/2022/008017A1 |
A system for a wind turbine, comprising a generator (28) connected to a power converter (30) by an electrical connection (32), a circuit breaker system (69) controlling the connection between the generator and the power converter through...
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WO/2022/010003A1 |
The present invention relates to a non-electric shock protection system and protection method for preventing an electric shock caused by shielding, absorption, and reduction of a leakage current, and preventing an arc by blocking an exte...
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WO/2022/009639A1 |
Disclosed is an electric power distribution module that has a novel structure and that makes it possible to disconnect a main relay from a battery with excellent reliability and a cost advantage.　This electric power distribution module...
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WO/2022/002496A1 |
The invention relates to a device for safeguarding in particular safety-related loads in a motor vehicle, comprising at least two parallel-connected main paths (30, 40) which are situated between an onboard electrical sub-network for at ...
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