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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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...
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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...
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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 ...
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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,...
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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 ...
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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), ...
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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...
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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...
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WO/2020/164945A1 |
This electrical protection system (1) for a DC-current medium-voltage electrical circuit, comprising a disconnection module (11), for generating a counter-voltage greater than the voltage of the source for a current flowing therethrough ...
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WO/2020/161387A1 |
An apparatus and a method for operating anarc suppression coil in an electric power network are disclosed. The arc suppression coil is operated off- resonance with respect to a normal state resonance point of the electric power network d...
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WO/2020/161625A1 |
Example systems, apparatuses, methods, and computer program products are disclosed for electroporating cells in a tissue using a set of voltage pulses generated by capacitor charge circuitry based on a voltage supply. An example method i...
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WO/2020/161388A1 |
An arc suppression coil for a three-phase electric power network comprises a transformer core having three limbs: a first limb, a second limb and a third limb. The transformer core defines an additional path for carrying magnetic flux be...
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WO/2020/161386A1 |
An apparatus and a method for operating an electric power network are disclosed. The electric power network is a compensated network arranged to be compensated by an arc suppression coil. An indication for an occurrence of an earth fault...
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WO/2020/155650A1 |
The present application provides a multi-gap surge protection device, comprising: a housing having a chamber, the two ends of the housing being a first lead end and a second lead end, respectively; N discharge gaps provided in the chambe...
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WO/2020/155649A1 |
A surge protector, relating to the technical field of lightning protection, and comprising a housing (20), a first varistor (MOV1) and a first thermal protection unit thereof, a second varistor (MOV2) and a second thermal protection unit...
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WO/2020/159943A1 |
A system (100) includes a clamp network (116) coupled between an input (104) and an output (106) and configured to clamp a voltage between the input and the output to a first clamp voltage based on the presence of a trigger signal and to...
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WO/2020/156689A1 |
The invention relates to a method for precharging a second network section (31i) with electrical energy from a first network section (31a) of a DC network (100). In an initial state (t0), an initial voltage (U2_t0) prevailing in the seco...
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WO/2020/152227A1 |
A connection module for a luminaire with a light module, comprising a support, surge protection circuitry arranged on the support, a first and second supply terminal for connection to a power supply, said first and second supply terminal...
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WO/2020/153161A1 |
This power supply control circuit comprises: a semiconductor switch (21A) provided on an electrical path (L1) connecting the positive-electrode side of a DC power supply (11) and the high-potential side of an electrical load (13) having ...
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WO/2020/144272A1 |
A luminaire system comprising a support (100) with at least one light source (110) arranged thereon, a drive means (200) configured for driving the at least one light source, a surge protection device (300) between a power supply (P) and...
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WO/2020/144180A2 |
High voltage tolerant electrical overstress protection with low leakage current and low capacitance is provided. In one embodiment, a semiconductor die includes a signal pad, an internal circuit electrically connected to the signal pad, ...
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WO/2020/136333A1 |
Overvoltage protection device for a variable-speed and constant-frequency electrical energy generation system comprising at least one DC current generator (11) connected, via a DC current bus (12, 121,122), to the input terminals of at l...
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WO/2020/139787A1 |
An electronic control unit includes a microcontroller. The microcontroller includes a power supply pin configured to receive power and at least one input/output (I/O) pin. A voltage regulator includes a power input configured to connect ...
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WO/2020/133578A1 |
The present application relates to an overcurrent protection system, comprising a storage circuit, a detection circuit, a calculation circuit, and a search circuit. The storage circuit is used for storing a preset current effective value...
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WO/2020/135356A1 |
Some embodiments of the present application provide a protection circuit and a battery management system. In some embodiments of the present application, the protection circuit comprises a first protection module and a freewheel module; ...
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WO/2020/137452A1 |
The purpose of the present invention is to provide a protection system capable of suppressing, using a pyro-switch, energy generated when cutting battery wiring.　The protection system has: a shunt resistor 100 for measuring the value o...
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WO/2020/130859A1 |
Intrinsically-safe electronic safety relay consists of an electronic relay (EP) connected through galvanic signals isolation system (UIGS) with two microcontrollers (MK1) and (MK2), which are connected with at least one serial communicat...
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