Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 13,093

Document Document Title
WO/2021/083469A1
A wind turbine (1) comprising a generator (2), an auxiliary system (6) comprising one or more electrical components (7), and an auxiliary transformer (5) having an internal impedance is disclosed. The auxiliary transformer (5) is connect...  
WO/2021/078943A1
The present invention relates to a method and device for controlling operating of a switching device in a power system comprising a power source connected with a load in a three- phase configuration. There is coupling between at least tw...  
WO/2021/073980A1
A device for driving a safety-relevant electronic system, in particular of a vehicle, comprises a power supply unit (10) having at least one voltage regulator (11, 12), wherein the power supply unit (10), during operation, is supplied wi...  
WO/2021/073419A1
Embodiments of the present disclosure provide a surge protection method and apparatus, a protection circuit, and a storage medium. The protection circuit comprises: a first fusing unit, a protection unit, a unidirectional conduction unit...  
WO/2021/071564A1
A system (1000) and method for detecting and isolating an electromagnetic pulse ("EMP") along first phase (601), second phase (602), and third phase (603) electrical lines electrically connected to a monitored infrastructure so as to pro...  
WO/2021/068363A1
A high-voltage protection system for an internal combustion locomotive. The system comprises a control unit, a bus voltage detection circuit, a triple discharge loop, and a cabinet door state detection circuit, wherein the triple dischar...  
WO/2021/067176A1
A method for dynamic limiting of battery voltage includes determining that a voltage delivered by a battery exceeds a predefined maximum safe voltage for operation of a portable electronic device in a hazardous environment and, in respon...  
WO/2021/063491A1
The invention relates to an electric high-voltage device (10) comprising a fluid-tight housing (16), a high-voltage component (11, 12) which is arranged in the housing, and an insulating liquid (17) in the housing in order to electricall...  
WO/2021/061508A1
Described is a system that includes a solid-state switch in series with a battery and a controller. The system also includes a capacitor coupled between a source and a gate of the solid-state switch and a resistor coupled between the gat...  
WO/2021/057163A1
A surge protection device having high breaking capacity, comprising: a housing (1) having at least two lead-out electrodes (10a, 10b); and a voltage-limiting apparatus (2) and a thermal trip mechanism (3) disposed in the housing (1). The...  
WO/2021/052205A1
A surge absorption circuit for a single-phase air conditioning system, comprising: an L line and an N line, wherein one end (ACL, ACN) of each of the two is connected to a power source, and the other end (ACL', ACN') of each is connected...  
WO/2021/055931A1
A protective component for a downhole tool is described. The protective component incorporates a wireless networking circuit for communicating data retrieved by the downhole tool to a surface data repository. The protective component can...  
WO/2021/048721A1
According to one or more embodiments, a current limiting device is provided. The current limiting device includes a transformer including: a primary winding configured to accept an input current, a core electromagnetically coupled to the...  
WO/2021/045351A1
The present invention provides an arc eliminator, comprising: a plurality of housings formed of an insulation material; fixed electrodes disposed on the upper sides of the insides of the housings and connected to each of high-voltage thr...  
WO/2021/045670A1
An electronic circuit breaker (100) for a vehicle, comprising: an input (101) configured to be connected to a DC power supply; an output (102) configured to be connected to a load; said input connected to said output via a semiconductor ...  
WO/2021/031766A1
A voltage limiting circuit, comprising: a voltage-control-type switch (6), a resistor (7), a positive temperature coefficient thermistor (5) and a varistor (4), wherein the voltage-control-type switch (6) and the resistor (7) are connect...  
WO/2021/029795A1
Electronic circuit (1) which acts as a zener diode below a zener voltage, and as a constant current source above the zener voltage comprising an input terminal (2), an output terminal (3), a first resistor (6), a second resistor (7), a t...  
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.  
WO/2021/023472A1
The invention relates to the protection of an AC device, in particular an inductive voltage converter (11), electrically connected to an AC line (5), from damage caused by direct currents flowing in the AC line (5). In this case, at leas...  
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...  
WO/2021/024134A1
A system and a method for controlling a power MOSFET for limiting electromagnetic interference from a load is provided. The system and method include a pulse-width-modulated (PWM) control voltage to operate the power MOSFET in accordance...  
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) ...  
WO/2021/018040A1
The present invention provides a power clamp ESD protection circuit and an integrated circuit structure. The circuit comprises: an ESD detection module, an ESD trigger module, and an ESD discharge module. The ESD detection module is used...  
WO/2021/012938A1
A transient voltage suppressor (TVS) provided with temperature protection, comprising a housing (1), a cover plate (7), a TVS chip (2), a first lead-out electrode (5), and a second lead-out electrode (3), and further comprising a thermal...  
WO/2021/013609A1
The invention concerns a system (6) for protecting an electricity distribution microgrid, the microgrid comprising an electricity generating device (1), a transformer (4) configured to raise an electrical voltage output from the electric...  
WO/2021/006894A1
A power system a method for enhanced voltage protection. The system may comprise a surface high voltage power supply, a voltage controller connected to the surface high voltage power supply that sends commands to the surface high voltage...  
WO/2021/004244A1
An automatic tripping and anti-falling arrester and a lightning protection and fuse integrated combination device, wherein the arrester includes an insulator body (1), an arrester body (3) and an anti-falling member; the insulator body (...  
WO/2021/000611A1
A circuit comprises a coaxial cable interface (J), a data module (114), a power module(111), a power signal transmission branch, and a data signal transmission branch. The data module (114) may receive or output a data signal. The power ...  
WO/2021/001740A1
The invention concerns a method for protecting an input or input/output terminal (P) of an integrated circuit (IC1) against electrostatic discharges, the method comprising steps consisting in: generating a control signal (CS) resulting f...  
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/2020/043955A9
The application relates to a transmission cable joint (100) for a medium voltage underground cable system. The cable joint comprises at least a casing (104) and connection ter- minals (122a, 122b, 122c) for coupling wires (103a, 103b, 03...  
WO/2020/260301A1
Autonomous security device and electrical system comprising a device of said kind. Security device comprising: a. a main input terminal (A) intended to be connected to a first DC voltage source (BAT), b. a main output terminal (B) intend...  
WO/2020/259547A1
Provided are an anti-impact structure, an anti-impact assembly and an electric energy meter, relating to the technical field of electric energy meters. The anti-impact structure is applied to an electric energy meter, the electric energy...  
WO/2020/218788A3
An electronic device includes a reception coil configured to wirelessly receive power based on an externally formed magnetic field, a rectifier configured to rectify power generated from the reception coil, an over-voltage protection cir...  
WO/2020/254265A1
A protective device (16) for an electrical grid (10) has a variable choke (22) which comprises a conductor (34) having at least one turn (36) and comprises a core (32) which is arranged at least partly within the at least one turn (36). ...  
WO/2020/249379A1
The invention relates to a monitoring arrangement for electrical equipment, having a first sensor for sensing a surface creeping current on a creeping path-lengthening electrically insulating housing of the equipment, and to a monitoring...  
WO/2020/249840A1
The invention relates to an electromagnetic variable-radiofrequency compensator device for the protection of the blades of wind turbine towers or other movable or static structures, which comprises: two conductive connection adapters (1,...  
WO/2020/244015A1
A direct current limiter topology suitable for a flexible direct current transmission system, comprising: a current limiting reactor l1, a main loop, and a current limiting loop. The main loop and the current limiting loop are connected ...  
WO/2020/247900A1
A semiconductor device (100) contains a Zener-triggered transistor (104) having a Zener diode (113) vertically integrated in a first current node (106) of the Zener-triggered transistor (104). The Zener diode (113) includes an n-type cat...  
WO/2020/247700A1
A system for conditioning electric power supplied from a three-phase alternating current electric power supply, including three phase lines, to a load, including the phase lines and an electric ground line, includes a plurality of first ...  
WO/2020/239327A1
There is provided a power conditioning circuit (10) comprising positive and negative power input nodes (PRIN, NPIN). An inductor (L1p) comprises a first terminal connected to a positive power input node and a second terminal connected to...  
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/2020/239454A1
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/2020/240694A1
This deterioration determination device includes: a voltage measurement unit (4) which measures voltage applied to a surge absorbing element (3); a first temperature measurement unit (5) which measures the temperature of the surge absorb...  
WO/2020/233667A1
Disclosed are an overheating and overcurrent tripping device and a surge protector. The overheating and overcurrent tripping device comprises a frame, and a slide block, a spring piece electrode and a compression spring arranged in the f...  
WO/2020/234044A1
The present invention relates to a DC current damper for a medium voltage or high voltage transformer. The DC current damper comprises at least one pair of diodes. The two diodes in each pair of diodes are in an anti-parallel configurati...  
WO/2020/234865A1
There is provided a Surge Protective Device (SPD) including, a replaceable unit having surge protective circuitry for detecting over voltage disturbances and protecting one or more protected sockets from said over voltage disturbances. T...  
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/2020/233180A1
The present application provides a current-limiting controllable lightning arrester, a converter, a power transmission system, and a control method. The current-limiting controllable lightning arrester comprises a first lightning arreste...  
WO/2020/231981A1
A circuit arrangement for a surge protection device for protecting multiple DC or AC power lines. The circuit arrangement includes a plurality of DC or AC power line inputs, a negative potential or neutral input, a ground potential input...  

Matches 1 - 50 out of 13,093