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WO/2021/037357A1 |
A method for restoration of a fault isolation in a medium voltage, MV, network having a plurality of feeders and a plurality of normally open, NO, switches (NO1, NO2, NO3, NO4)possibly in parallel with MV direct current, DC, links (MVDC1...
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WO/2021/039177A1 |
An energization control device is provided with an inter-system switch (inter-system SW) and a SW control circuit that is an inter-system switch control unit. The inter-system SW switches between conduction and cutoff of an electric curr...
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WO/2021/039166A1 |
A control device (10) includes: a power supply path (610) that connects a storage battery (30) and a heater (25); a high-side switch (200) that is provided at a position in the power supply path and that performs an opening/closing opera...
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WO/2021/041914A1 |
A battery module includes a set of power contacts, a set of signal contacts and a battery pack operable to deliver electrical power to the set of power contacts. An electronic isolation system is operable to electrically disconnect and c...
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WO/2021/039130A1 |
This energization control device (D) comprises: inter-system SWs (31a, 31b) and a SW control circuit (40) which is an inter-system switch control unit. The inter-system SW switches between energization and interruption of current in an i...
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WO/2021/038914A1 |
This solar power generation network shut-off unit (1) comprises a first breaker (20) and second breakers (30). The first breaker (20) is provided in a power line (14) that connects a plurality of solar power generation modules (11) and a...
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WO/2021/038915A1 |
A photovoltaic power generation network cut-off unit (1) is provided with a first breaker (20) and second breakers (30). The first breaker (20) is provided in a power line (14) that connects a power conditioner (12) and a plurality of ph...
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WO/2021/032412A1 |
The invention relates to a battery system (10) for a motor vehicle, comprising a battery module (5) which has an internal voltage source (Vi), a positive pole (22) and a negative pole (21), and a switching unit (60) for electrically conn...
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WO/2021/033630A1 |
According to the present invention, in a semiconductor switch (20), a resistance value between a current input terminal (20d) into which a current is input and a current output terminal (20s) from which the current is output decreases as...
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WO/2021/027285A1 |
The present application provides a protection method, apparatus and system for a pseudo-bipolar direct-current power distribution network, and a device and a medium. The method comprises: detecting a transverse differential current value...
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WO/2021/028039A1 |
A direct current power supply assembly comprising a bus bar system (2) and a fault detection system (6) adapted to detect ground faults in the direct current power supply assembly. The bus bar system (2) has a positive bus bar (BB+) and ...
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WO/2021/028552A1 |
A method for using an electronic fuse (e-fuse) as a damping element and a system including at least one e-fuse are disclosed.
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WO/2021/026351A1 |
An inrush current protection circuit for a solid state lighting fixture is provided. The inrush current protection circuit includes one or more current limiting devices and one or more switching devices coupled in parallel with the one o...
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WO/2021/019640A1 |
This power feed system has: a plurality of devices connected in parallel with a DC power supply; a controller communicably connected to the plurality of devices; and a plurality of pairs of relays respectively provided corresponding to t...
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WO/2021/018640A1 |
The invention relates to an electrical system (150) for a motor vehicle (100), comprising a current distributor (152); a plurality of first lines (154) which are designed to connect a corresponding plurality of electric components (153) ...
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WO/2021/019399A1 |
It is disclosed a power supply system (50) comprising a power supply circuit (1), a sensor (3) of the current (I_HV+) flowing through a terminal of the power supply circuit and a protection circuit (2). The protection circuit comprises a...
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WO/2021/016080A1 |
A resettable electronic fuse for a high-power device such as a power tool, a battery pack for the power tool, or a battery pack charger. The resettable electronic fuse is connected in a current path of the device and is operable or confi...
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WO/2021/016153A1 |
Methods, apparatus, systems and articles of manufacture are disclosed for current sensing and current limiting. An example apparatus includes a first main transistor (302) including a first main transistor gate terminal (306) coupled bet...
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WO/2021/013922A1 |
An overcurrent protection device in a load path (2) of a direct current network comprises a controllable semiconductor circuit arrangement (10) and a control unit (20) having a driver circuit (21) and having an overcurrent monitoring uni...
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WO/2021/010007A1 |
This power cutoff device is provided with: a relay unit having a switch unit having a conductive connection state and a non-conductive cutoff state; a cutoff unit connected to the switch unit of the relay unit in series and having a cond...
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WO/2021/009217A2 |
A system includes an electric mobile application having a configurable charging circuit, the configurable charging circuit including an AC charging circuit couplable to a charging station on a first side, a DC charging circuit selectivel...
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WO/2021/009900A1 |
The present invention has a first protection control computing means, a first control circuit, a second protection control computing means, and a second control circuit. Both of the control circuits control circuit breakers provided to a...
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WO/2021/007880A1 |
Disclosed is an intelligent restart system for a wireless terminal of a high-voltage switch. A high-voltage switch control loop is connected to a wireless communication module, the wireless communication module is in wireless communicati...
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WO/2021/005234A1 |
The present invention concerns a method for indicating, from a protection apparatus, at least one piece of fault information relative to at least one fault detected in an electrical line (L). It consists, following the detection of at le...
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WO/2021/003728A1 |
Provided are a converter, method and system applied to a photovoltaic power generation system. The converter comprises: a controller and at least one switch tube, and the converter supports the access of at least two photovoltaic units, ...
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WO/2020/167950A9 |
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/2021/001011A1 |
The invention relates to a method for the uninterrupted adaptation of parameters of a circuit (2000) by the targeted introduction of ohmic, capacitive or inductive portions by means of at least two switching devices (1000; 1001) as contr...
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WO/2021/001359A1 |
A surge monitoring circuit (104) for detecting transient spikes in an input voltage (Vi) includes a voltage divider circuit (202) that generates a divider output voltage (Vo) from the input voltage (Vi), a reference voltage generator cir...
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WO/2021/002916A1 |
A method for automatically categorizing disturbances in an electrical system includes capturing at least one energy-related waveform using at least one intelligent electronic device in the electrical system, and processing electrical mea...
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WO/2021/001917A1 |
The protection relay device according to an embodiment has an accident detection unit, an accident removal detection unit, a time acquiring unit, and an output control unit. The accident detection unit detects, on the basis of electric q...
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WO/2021/001017A1 |
The invention relates to a switching device (1000) having an ON state, an OFF state for opening, closing or commutating a circuit between a first contact (110) and a second contact (120), and further intermediate states between the ON st...
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WO/2019/217625A9 |
A breaker between two electrical circuits is provided that is closed when electrical properties in both of the electrical circuits are matching. Two check circuits are provided for comparing electrical properties of the two electrical ci...
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WO/2021/001012A1 |
The invention relates to an electrical switch (100) comprising an ON state and an OFF state for opening, closing or commutating a circuit between a first contact (110) and a second contact (120), and comprising a controllable resistor el...
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WO/2020/260271A1 |
The invention relates to an electronic commutator (1000) comprising: • an electronic switch (10) comprising an input terminal (E1) intended to receive a first voltage (BT) referenced with respect to a first electrical reference (GND1),...
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WO/2020/261947A1 |
A protection device (30) connected to a DC power supply device (50) for outputting DC power to a DC electric circuit (12), the protection device (30) being provided with: a first conductor (31) connected to the high-potential-side output...
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WO/2020/253301A1 |
Disclosed in the present application is a relay protection redundant sampling detection method, comprising: acquiring sampled value 1 and sampled value 2 of a measured voltage/current after redundant sampling; and performing redundant sa...
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WO/2020/253989A1 |
A hybrid circuit interrupter can be used for medium voltage direct current applications, among other applications. The circuit breaker includes a vacuum circuit interrupter and an electronic power interrupter that are electrically connec...
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WO/2020/253047A1 |
A machine operation circuit, and a vacuum cleaner comprising same. The machine operation circuit comprises a power supply. The power supply comprises a power supply protection circuit for turning off the power supply according to a power...
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WO/2020/255440A1 |
A conventional ground fault direction relay device that determines a ground fault direction of its own line and performs a leakage alarm operation for the purpose of preventing an unnecessary movement (received movement) has a problem in...
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WO/2020/251246A1 |
The present disclosure may provide a blocking device of a DC system, the device comprising: a first semiconductor switching circuit including a first power semiconductor element and a first measurement device for measuring an electrical ...
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WO/2020/252118A1 |
A solid-state circuit breaker (SSCB) with galvanic isolation capability includes an electrical bus with line-side and load-side terminals and a solid-state device connected in series with a closeable air gap between the line-side and loa...
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WO/2020/248856A1 |
Disclosed are an overcurrent protection circuit, a method for driving an overcurrent protection circuit, and a display device. An overcurrent protection circuit (100) comprises a measurement circuit (110), a first protection subcircuit (...
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WO/2020/252121A1 |
An electrical distribution panel for controlling the distribution of electrical power to a plurality of loads includes a plurality of solid-state circuit breakers (SSCBs), each including a thermally conductive heatspreader and one or mor...
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WO/2020/251273A1 |
The present invention relates to a monitoring device and a solar system comprising same. A monitoring device and a solar system comprising same according to an embodiment of the present invention may comprise: a processor which receives ...
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WO/2020/239095A1 |
A power supply protection circuit and a power supply, related to the technical field of power supplies. The power supply protection circuit (100) comprises: a fuel gauge (U1) and a low-dropout linear voltage regulator (U2). The power sup...
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WO/2020/240081A1 |
It is an object to provide an electric vehicle charging monitoring device and an electric vehicle charging monitoring method. According to an embodiment, a device comprises: a current measurement device configured to measure an electrica...
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WO/2020/240097A1 |
The present invention relates to an electric line protection device (L), the device comprising, in a housing that it comprises, on the one hand, a plurality of coils (1, 2, 3) and a movable actuating element configured to be moved, under...
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WO/2020/238864A1 |
Disclosed in the present invention is an overvoltage protection circuit, the overvoltage protection circuit comprising: a switch circuit, the switch circuit respectively being electrically connected to a positive electrode input end and ...
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WO/2020/240576A1 |
The embodiments provide an electrical safety protection device and method for detecting faulty electrical circuits with fault identification, fault classification and alert system wherein the device is installed between the incoming powe...
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WO/2020/240811A1 |
In the present invention, one or more region boundary points are provided in a conductive wire path comprising two wires having a line voltage produced by a DC power supply, and at the region boundary points, when the line voltage contin...
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