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Patent Searching and Data


Matches 1 - 50 out of 13,039

Document Document Title
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...  
WO/2020/229490A1
Security device comprising: a. a main input terminal (A) which is intended to be connected to a first direct-current voltage source (BAT), b. a main output terminal (B) which is intended to be connected to a first electronic apparatus (E...  
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/2020/223964A1
An electrostatic protection circuit applied to an electronic device, an electrostatic protection method applied to an electronic device, and a stylus and an electronic device. The electrostatic protection circuit comprises: a point disch...  
WO/2020/225340A1
The invention relates to a lightning protection spark gap assembly. The lightning protection spark gap assembly comprises: a lighting protection spark gap (1) having a first main connection (1a) and a second main connection (1b), wherein...  
WO/2020/224832A1
The invention relates to a direct current network with an electrical conductor and a switching unit arranged at the end of the conductor for isolating the electrical connection over the conductor, wherein the switching unit comprises at ...  
WO/2020/225339A1
The invention relates to a lightning protection spark gap assembly. The lightning protection spark gap assembly comprises: a lightning protection spark gap (1); a safety fuse device (8) which can be triggered by a bridge initiator (7) an...  
WO/2020/221933A1
An asymmetric overvoltage protection apparatus for a DC circuit (16) has a negative side (32) which can be connected to a current output (28) of the DC circuit (16), a positive side (30) which can be connected to a current input (26) of ...  
WO/2020/220467A1
An overcurrent protection circuit and a display panel. The overcurrent protection circuit comprises a power supply circuit unit (11), a logic algorithm unit (12), and an overcurrent protection unit (13). By adding the logic algorithm uni...  
WO/2020/223213A1
Aspects of the present disclosure provide miniaturized isolator modules capable of transferring power and/or data signals across an isolation barrier by way of a transformer while maintaining intrinsic safety (IS) compliance. For example...  
WO/2020/223452A1
Aspects of the present disclosure provide systems and devices for providing power to one or more remote radio heads used in telecommunications. Some aspects provide a power supply system comprising a first power supply and a plurality of...  
WO/2020/215279A1
The present application discloses an over-voltage protection control circuit, characterized in that the over-voltage protection circuit comprises a detection circuit, an input circuit, a transformer, and an output circuit, the transforme...  
WO/2020/218788A2
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/2020/207563A1
A monitoring system (500) for remotely monitoring a state of pole-mounted equipment (110, 120) in a power distribution or transmission grid (200) is provided. The pole-mounted equipment (110, 120) comprises an indicator device (100) conf...  
WO/2020/210171A1
Apparatus and associated methods relate to providing safe electrical power to electrical equipment operating in a hazardous location. Safe electrical power is power that is both current limited and voltage limited so as to provide insuff...  
WO/2020/198987A1
This application relates to a method and an apparatus for controlling a solid state circuit breaker, and a solid state circuit breaker. The method for controlling a solid state circuit breaker includes: detecting a direction of a current...  
WO/2020/205918A1
A switching converter controller (1260) includes an on-time timer circuit (1210) coupled to a switch driver circuit (1230). The on-time timer circuit (1210) includes an up/down counter with a clock input node. The on-time timer circuit (...  
WO/2020/198141A1
A method for identifying a location of a fault in an electrical power distribution network that includes identifying an impedance of an electrical line between each pair of adjacent utility poles, measuring a voltage and a current of the...  
WO/2020/193504A1
A device, system and method protects from overvoltages. A power control device includes a component (310) configured to be powered according to a duty cycle. The power control device includes a controller (330) configured to determine th...  
WO/2020/192931A1
Embodiments of present disclosure relate to an inverter and an associated method for controlling the inverter, in order to reduce and eliminate the inrush current in a disconnector. The inverter comprises; a switching circuit operable to...  
WO/2020/186692A1
A superconducting current limiter having a composite insulation structure, comprising: a superconducting current limitation unit (1), an inner composite insulation cylinder (3), an outer composite insulation cylinder (4) and a cryogenic ...  
WO/2020/186652A1
A novel direct current circuit breaker relating to the technical field of direct current power transmission. The novel direct current circuit breaker comprises a main branch and a transfer branch connected in parallel to the main branch,...  
WO/2020/182072A1
A display panel electrostatic protection apparatus (400) and method, and a display apparatus (100), comprising a detection circuit (401), a discharge circuit (409), and a release end (411), the detection circuit (401) being connected to ...  
WO/2020/182286A1
A device, a method and a system for monitoring an electrical connection status of a disconnector device (110). The disconnector device (110) being connectable to pole-mounted equipment in a power distribution or transmission grid (200), ...  
WO/2020/182063A1
Disclosed in the present application are an apparatus (400) and a method for preventing static electricity in a display panel, and a display apparatus (100), comprising: a sensing sub-circuit (401) connected to a drive chip of the displa...  
WO/2020/177650A1
Disclosed are a breaker device and an inverter system, which are used for breaking the electrical connection when a protected circuit fails. The breaker device is connected in series in a protected circuit to break the electrical connect...  

Matches 1 - 50 out of 13,039