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Matches 1 - 50 out of 37,160

Document Document Title
WO/2020/099575A1
The invention relates to a method for switching a load (6) that is connected to a load connection (8) of an electrical grid (4), with a current path (12) running between an operating voltage connection (10) and the load connection (8), w...  
WO/2020/100612A1
According to the present invention, at least a portion of a fuse unit is located between a first load relay and a first charging relay, and at least a portion of a current detection unit is located between a second load relay and a secon...  
WO/2020/100241A1
This voltage trip device (1) includes a first terminal (11), a second terminal (12), a third terminal (13), a fourth terminal (14), a switching element (50), a driving unit (71), a power supply circuit (60), and a determination unit (72)...  
WO/2020/099103A1
The invention relates to an electronic switch (1) having at least one disconnectable semiconductor switch (2, 21, 22). The electronic switch (1) has a capacitor (3) and a varistor (4), the capacitor (3) and the varistor (4) being arrange...  
WO/2020/102290A1
An electric grid comprising a first section comprising transmission equipment, power generation equipment, and electric transmission lines designed to serve an electric load within the first section independently of a second section, whe...  
WO/2020/093482A1
A protective circuit (301) and a display drive device. The protective circuit (301) comprises: when an electrical overstress problem occurs in a logic signal, the voltage of an output end of a controlled switch circuit (100) is greater t...  
WO/2020/094301A1
Switch (1) with a conducting line (2) and switching contacts (3), the switch (1) comprising one measurement transformer (4) with measurement transformer secondary winding (8), which is connected to an electronic trip unit (6), one power ...  
WO/2020/089047A1
The invention relates to a voltage transformer (1) for transformation between a direct voltage at a direct voltage gate (2) and a single-phase or multi-phase alternating voltage at an alternating voltage gate (3) by temporal clocking of ...  
WO/2020/092339A1
An electro-technical device includes a circuit including a coil connected to a voltage source for receiving a predetermined current therefrom and connected to an output device. The circuit includes a breakable junction and a photodiode f...  
WO/2020/090925A1
This semiconductor unit includes a semiconductor device, a control unit, and a resistor unit. The semiconductor device has a transistor provided between a positive electrode of a battery and an inverter circuit electrically connected to ...  
WO/2020/089533A1
The present invention relates to an auxiliary shunt module (1) for a differential protection device (2), comprising: - a first shunt line (D1) suitable and intended for being connected in parallel to the first line to be protected (L1) o...  
WO/2020/092256A1
A medical system includes a first electrical circuit, a second electrical circuit electrically isolated from the first electrical circuit, an optical isolator circuit coupled between the first and second electrical circuits, and a common...  
WO/2020/068024A3
The invention provides an electronic circuit for carrying out at least three measurements, comprising at least one controller (10), at least three current sensors (54), at least three voltage sensors (55), and at least three relays (211)...  
WO/2020/083936A1
The invention relates to a circuit arrangement (12) for monitoring and triggering an igniter (5) of an active electrical fuse (6). The arrangement comprises: a control and evaluation unit (1), an alternating current generating unit (2) a...  
WO/2020/083690A1
The invention relates to a testing device (1) for testing at least one test object (2) comprising an input (3) for application of a test signal, an output (4) for tapping a response signal, a transformer (5) which has a primary winding (...  
WO/2020/083648A1
An output driver (1) comprises a driver transistor (MP0) having a gate node (GMP0) to apply a gate control voltage (GCV) and a gate control circuit (30) to control the gate node (GMP0) of the driver transistor (MP0). The output driver (1...  
WO/2020/079300A1
The present invention concerns, but is not limited to, a device for interrupting the circulation of direct current in the event of an electrical failure, which is connected between a supply source of direct current and an electrical load...  
WO/2020/078006A1
A device and a method for preventing an overshoot voltage caused by a reverse current, relating to the technical field of electronics. The device comprises a current detection circuit, a current comparison circuit and an overvoltage prot...  
WO/2020/080079A1
A power distribution device is provided in which a current detection circuit detects a current value of current flowing through an electric wire. When a switch is on, a microcomputer determines, on the basis of the current value detected...  
WO/2020/075123A1
A device (9) for protecting a direct current electrical system (1) having one or more modules (2) from electric arcs comprises: a first sensor (10) provided with a first ring of ferromagnetic material configured to generate a first signa...  
WO/2020/069894A1
A protection circuit (20) comprising an inrush current detector operable to detect an inrush current from a DC link (11). The inrush current detector (Q1, 21) comprises a transistor switch (Q1) that is turned on in normal operation of th...  
WO/2020/072516A1
A circuit interrupter includes a solid-state switch and a mode control circuit. The solid- state switch is serially connected between a line input terminal and a load output terminal of the circuit interrupter. The mode control circuit i...  
WO/2020/073009A1
An integrated electrical management system includes an electrical panel, at least one busbar mounted to the electrical panel, at least one controllable breaker electrically coupled to the at least one busbar, and processing equipment con...  
WO/2020/070905A1
With removal of a short circuit occurrence point by a conventional fuse, due to fuse characteristics, it is not possible to ensure coordination in the fusing time of each fuse when there is a short circuit. To address such a problem, pro...  
WO/2020/070092A1
The invention relates to a power supply (1) comprising: a converter unit (3) for providing an output power at the output of the power supply (1) by converting an input power at the input (2) of the power supply (1); and a detection unit ...  
WO/2020/064926A1
In order to detect a fault (F) in an arrangement comprising a transformer (4) that has a primary winding (L1) connected in series with a DC voltage line (DC+, DC-) and a secondary winding (L2) coupled magnetically to the primary winding ...  
WO/2020/066648A1
The present technology pertains to an electronic device and a control method with which it is possible to suppress increases in cost. A processing unit and a monitoring unit are actuated upon receiving a supply of power from a power supp...  
WO/2020/064574A1
The invention relates to a control unit (11) for a motor vehicle (10), comprising a power supply connection (19) for receiving a supply voltage (Un) from a supply cable (17) to be protected against feedback from the control unit (11), wh...  
WO/2020/068479A1
Fault protection devices for electrical distribution systems and related reclosing methods are provided. One exemplary method of reclosing a switching element of a fault protection device after fault detection involves pulsing the switch...  
WO/2020/063652A1
The present application provides an overcurrent protection circuit and a controller. The overcurrent protection circuit comprises a sampling circuit, a comparator circuit, a D flip-flop, and an output signal control circuit. The sampling...  
WO/2020/064699A1
A power system comprises a power source (2), a transmission line (3) coupled to the power source (2) through a circuit breaker (1), a shunt reactor (4) coupled to the transmission line (3), and a current transformer (6) connected in seri...  
WO/2020/065067A1
The invention relates to a method for testing a bimetallic switch (12) of a device (11), in particular a heating device (11). An induction coil (26) is attached in and/or on the device (11), and the induction coil is used to inductively ...  
WO/2020/065646A1
A protection circuit provides a control voltage to a 3 -phase contactor, where the three phases of the 3 -phase power supply are inputs to the 3 -phase contactor. The protection circuit includes: four input terminals, configured to be co...  
WO/2020/069384A1
A protection circuit is disclosed. The protection circuit includes a direct current (DC) blocking component electrically connected between a neutral of the transformer and a ground, and an overvoltage protection device electrically conne...  
WO/2020/061547A1
Various examples are provided related to direct current circuit breakers and their control methods. In one example, among others, a hybrid direct current circuit breaker (DCCB) includes an ultrafast mechanical switch (UFMS) connected in ...  
WO/2020/056908A1
Embodiments of the present application provide an overvoltage protection method, an overvoltage protection apparatus, and a display apparatus. When a voltage value of an output signal is greater than a first preset voltage threshold, whe...  
WO/2020/052222A1
A protection circuit for automatically adjusting an abnormal external signal and an LED driving power source. The protection circuit comprises an input end connected to an external signal circuit, a signal abnormality protection circuit ...  
WO/2020/053918A1
This overcurrent relay (30) is provided with: an overcurrent detection unit (100) that compares the effective value of input current input from a power system with a set value, thereby detecting overcurrent; a lowering detection unit (11...  
WO/2020/052663A1
Embodiments of the present application disclose a control and protection system for a mechanical high-voltage direct current circuit breaker, and a control method for the same. The system comprises: an electrical current acquisition and ...  
WO/2020/055997A1
A high voltage power supply apparatus includes: a comparator, a transformer, a rectifier, and a detector. The comparator is to control output of a basic voltage. A high voltage based on the basic voltage is used to perform an image formi...  
WO/2020/054751A1
[Problem] To simplify circuitry of a charging cable and a safety circuit. [Solution] A charging cable 50 according to the present invention is provided with: a leakage circuit breaker 15 that is connected to a power line 13 between a pow...  
WO/2020/055461A1
Distance protection of electric power delivery systems are disclosed herein where a fault within a zone of protection is detected using time-domain fault detection supervised by frequency-domain fault detection. The distance fault detect...  
WO/2020/048009A1
Disclosed are an overcurrent protection driving circuit and a display device. The overcurrent protection driving circuit comprises a power supply circuit, a current feedback circuit, a current detection circuit, a level output circuit an...  
WO/2020/026163A3
The present invention relates to a method for supervising a voltage transformer (110) and operating a circuit breaker(150) connected to a protection relay(100a), the supervisory relay (100) being interfaced with a voltage transformer (11...  
WO/2020/044139A1
The invention provides a converter arrangement that couples an AC power system with a DC power system. The converter arrangement includes a converter, a filter and a control unit. The converter is capable of operating as an inverter and ...  
WO/2020/043544A1
The invention relates to controlling a high-voltage or medium-voltage switching device (10), by means of which an operating circuit is switched, for which purpose the high-voltage or medium-voltage switching device (10) comprises at leas...  
WO/2020/045842A1
The present invention relates to a fuse control system and method using defective mode detection, the system and method integrating an overcurrent prevention fuse with a signal fuse, for circuit protection, capable of performing function...  
WO/2020/042341A1
Disclosed are a correction method, a correction apparatus and a display apparatus. A current value of a current signal output by a chip (10) is detected, and a set overcurrent value of the chip (10) is corrected if the current value is l...  
WO/2020/042309A1
Embodiments of the present application provide a current limiting circuit, a current limiting device, and a display device. A first voltage signal is output by means of a current detection module according to a first current signal outpu...  
WO/2020/038119A1
Disclosed are a novel anti-lightning and over-voltage protection circuit and a protection apparatus. The protection circuit comprises a first piezo-resistor, a second piezo-resistor, a transient voltage suppressor diode, a positive tempe...  

Matches 1 - 50 out of 37,160