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Patent Searching and Data


Matches 1 - 50 out of 37,577

Document Document Title
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...  
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...  
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...  
WO/2021/010808A1
The present invention relates to the prevention of electric disasters by measuring and analyzing power loss in a railroad track and characteristics such as resistance in the railroad track, and detecting signs of abnormalities in a power...  
WO/2021/009025A1
The invention relates to a method for detecting a short-circuited line in an electrical direct-voltage conductor network, comprising the following steps: • per conductor branch at a conductor node: ◦ determining a first current value...  
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...  
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...  
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, ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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),...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 (...  
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...  
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 ...  
WO/2020/215163A4
Arc fault current interrupter electrical devices and systems. An example is an electrical device comprising: a contact configured for electrical connection to a power line; at least one sensor to detect at least voltage signals indicativ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
WO/2020/240271A1
The invention is a device that provides a smart accurate fault discrimination for every specific load and isolate it alone without affecting other loads that are in the same circuit of the faulty load,so it assure the continuity of elect...  
WO/2020/239454A1
The invention relates to an analogue circuit arrangement (1) for variably setting a voltage Uout within defined voltage limits, comprising a non-inverting adder (10) having a positive input (11), wherein a voltage divider (20) comprising...  
WO/2020/234064A1
The invention relates to a system (10) comprising at least two loads (14) which are connected to a common feed line (12) and can be switched off selectively and to the use of at least one interrupter switching element (22) with an extern...  
WO/2020/233937A1
The invention relates to a device for controlling the current of an actuator (10). The device comprises at least one control device (100, 200) having a first terminal (110, 210), a first switch (114, 124), a second terminal (120, 220) an...  
WO/2020/219000A3
The invention, is related to an automatic circuit breaker (10) switching system that enables to inform users when the circuit breaker (10) has tripped and provides remote switching on, of the circuit breaker (10). Said system basically c...  
WO/2020/234134A1
The invention relates to a method for connecting a capacitive load assembly (10) to a DC grid (1). The load assembly (10) can be connected to a supply potential of the DC grid (1) by a control unit (20) via a controllable switch element ...  
WO/2020/234136A1
The invention relates to an overcurrent protection device for protecting a load (11, 12; 13, 14) arranged in a DC grid (1). The load (11, 12; 13, 14) is coupled to a supply busbar (10V), which is connected or can be connected to a supply...  
WO/2020/234261A1
The invention relates to a circuit arrangement (10) for supplying power to road vehicles (12), having an integral high-voltage system (26) to which at least one electrical component (34, 36) capable of providing a supply is connected, wh...  
WO/2020/228104A1
Disclosed is a self-check chip of a leakage protector, comprising: a power-on reset circuit, used for resetting the self-check chip after being powered on; a reference voltage module, used for providing reference voltage for a comparator...  
WO/2020/229239A1
The invention relates to a system for protecting an electrical source or an electrical load, having a module comprising an input and an output, and an electronic safety device for the load that can be connected to the source. The module ...  
WO/2020/220525A1
Disclosed are an overcurrent protection circuit (100) and method, and a display apparatus (1000). The circuit comprises: a panel (10), wherein a first output end (201) of a logic board (20) is connected to a first input end (101) of the ...  
WO/2020/221590A1
The invention relates to a circuit breaker (14) with a main current path (16) which has a controllable first switching element (18) with a first control input (22) which is connected to a controllable second switching element (56) of a d...  
WO/2020/223348A1
A disconnector device including an isolator connected between a first terminal and to a second terminal, and a sleeve positioned around the isolator and moveable between an un-extended position prior to the isolator operating and an exte...  
WO/2020/218443A1
A current leakage determination device (70) comprises: a capacitor (71) having a first end connected to either a positive electrode or a negative electrode of a battery (20); a sensing resistor (72) connected to a second end of the capac...  
WO/2020/215127A1
A short-circuit mitigation device for use in an electrolytic cell (101) is disclosed. The device comprises a switch (302) connected in parallel with a damping load (502). The switch is disposed between a contact (102) and an electrode (1...  
WO/2020/215163A1
Arc fault current interrupter electrical devices and systems. An example is an electrical device comprising: a contact configured for electrical connection to a power line; at least one sensor to detect at least voltage signals indicativ...  

Matches 1 - 50 out of 37,577