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Matches 1 - 50 out of 12,443

Document Document Title
WO/2018/161248A1
In one embodiment, an overvoltage protection device (100) may include a crowbar device (106), where the crowbar device (106) includes a first crowbar terminal (115), the first crowbar terminal (115) connected with a first external voltag...  
WO/2018/157458A1
A voltage absorption circuit, comprising an input circuit (110), an absorption circuit (120), and a control circuit (130). The absorption circuit (120) comprises a resonance circuit (121) and a rectification circuit (122), the resonance ...  
WO/2018/152756A1
An MOV assembly having an insulating bearing plate structure, comprising at least two electrode sheets (2, 4) and at least one MOV chip (3). An MOV chip (3) is sandwiched between each two adjacent electrode sheets (2, 4); an insulating b...  
WO/2018/153993A1
The invention relates to an apparatus for limiting voltage for a DC voltage network (1) in which overvoltages resulting from switching operations occur between a first supply potential level (2) and a second supply potential level (3) of...  
WO/2018/149630A1
There is disclosed a by-pass switch arrangement (106) for by-passing a current path in a high voltage direct current (HVDC) network (100), the by-pass switch arrangement comprising: two switch terminals (202, 204) for coupling to the cur...  
WO/2018/148080A1
A wireless power transmitting device transmits wireless power signals to a wireless power receiving device. The wireless power receiving device has a rectifier and a wireless power receiving coil that receives wireless power signals. The...  
WO/2018/145857A1
The invention relates to a circuit for limiting a making current; said circuit can be used in power supply units of operating devices for operating lighting means and comprises at least a first storage capacitor (C1) and a second storage...  
WO/2018/145395A1
An arc extinguishing apparatus and a power supply system, related to the technical field of safe power supply. The arc extinguishing apparatus comprises a coupling circuit and an arc extinguishing chip. An arc extinguishing material (T) ...  
WO/2018/148377A1
Systems and methods are provided for testing a threshold energy required to cause a latchup on an electronic component. An exemplary method includes applying a series of laser pulses to a testing object with a pulsed laser unit. The test...  
WO/2018/142038A1
The invention relates to a current cut-off device (1) for high-voltage DC current, comprising: • in series, a cut-off apparatus (121) and a current limiter (111); • an accumulation line (130) in parallel with the current limiter (111...  
WO/2018/141684A1
The present invention relates to a method for controlling a circuit breaker. The circuit breaker is connected in a three-phase system having an inductive load, and the method comprises method for controlling a circuit breaker, the circui...  
WO/2018/145128A1
A method is provided. The method comprises determining configuration data; wherein the configuration data comprises a resistance of a bypass circuit coupled between a remote radio head and a power cable; using the configuration data, det...  
WO/2018/137791A1
Inthe field ofvoltage source converters forhigh voltage direct current (HVDC) power transmission there is provided a protection arrangement (10; 100; 200; 300; 400;500; 600; 800; 900) for a switching device (22; 122). The protection arra...  
WO/2018/138431A1
The invention relates to a conductive component (21) that attenuates very fast overvoltages, for very high-voltage electrical substations, said component comprising a hollow metal bar (25) a segment (27) of which is machined to form a so...  
WO/2018/138723A1
A DC power supply arrangement is provided that comprises a DC power supply arranged to supply current to an inductive load in a first state of the DC power supply arrangement, and arranged not to supply current to the inductive load in a...  
WO/2018/140318A1
A through air measurement instrument comprises a housing for mounting to a process vessel and including a waveguide, A control circuit in the housing controls operation of the instrument for determining level, An RF circuit board in the ...  
WO/2018/140188A1
Embodiments of the disclosure provide a current protection device for a fault current limiter, the current protection device including a detection circuit electrically coupled between a current transformer and a pneumatic timer, and an e...  
WO/2018/135025A1
The inrush current suppression circuit according to one embodiment of the present invention is provided with: a transistor having a first terminal, a second terminal connected to a constant voltage line, and a control terminal; a first r...  
WO/2018/132201A1
The present disclosure describes aspects of Zener overvoltage protection (OVP) with a thermal trigger for an implant. In some aspects, an apparatus comprises a rectifier disposed in a rectification circuit and configured to rectify alter...  
WO/2018/130594A1
The present invention relates to a device for protecting electrical equipment (23), comprising: - a first branch (21) for limiting current including a current source; - a second conduction branch (22) mounted parallel to the limitation b...  
WO/2018/130557A1
A DC power switching assembly (22) comprises a plurality of series connected power switching units (21). Each power switching unit (21, 45) comprises a first terminal (23) of the unit and a second terminal (24) of the unit, the terminals...  
WO/2018/130411A1
The invention relates to an electronic circuit for securing an energy supply of a receiving device, comprising the following: - a supply path for connecting the receiving device to a voltage source, said supply path (ANT_SUP-ANT_OUT) hav...  
WO/2018/129651A1
A neutral electrode interconnected voltage-sensitive surge over-voltage protection circuit, comprising more than two varistors in parallel connection, in series connection or in series-parallel connection, wherein same respectively achie...  
WO/2018/127650A1
The invention relates to an integrated component for protecting against overvoltages, including: two multilayer elementary varistors (21, 22) that are arranged in parallel and that each include first and second varistor electrodes, the v...  
WO/2018/128150A1
[Problem] To provide a reactance-type current limiter with high reliability and having a simple device configuration. [Solution] This current limiter is provided with a magnetic core 11A, and a coil 12 wound around the magnetic core 11A,...  
WO/2018/128149A1
[Problem] To provide a core that can be widely applied, e.g., in a reactor, current limiter, electromagnetic actuator, motor, etc. [Solution] The magnetic characteristics of this core 11 are such that, in a first quadrant of a graph with...  
WO/2018/128151A1
[Problem] To provide a current limiting circuit with reduced impedance during normal operation. [Solution] This resonance-type current limiting circuit is provided with a core 11, a coil 12 wound around the core 11, and a capacitor 50 co...  
WO/2018/124394A1
The present invention relates to a method for determining installation stability of a power source surge protector, comprising: a detection step of detecting, by a detection unit, a voltage between a phase and the ground and a voltage be...  
WO/2018/124568A1
A three-phase opening and closing control device of the present invention is a three-phase opening and closing control device which controls a breaker connected between a three-phase transformer and a system power supply, wherein the dev...  
WO/2018/124492A1
The present invention provides a complex device comprising: a lamination body; two or more function units provided inside the lamination body and functioning differently from one another; a connection unit provided between the function u...  
WO/2018/124535A1
The present invention provides a complex device and an electronic device having same, the complex device comprising: two or more function units which function differently from one another; a connection unit provided between the function ...  
WO/2018/126020A1
A circuit breaker system is disclosed in the present application. The circuit breaker system includes a housing to hold an electrical interrupter within an internal region separated from an external ambient region. The electrical interru...  
WO/2018/121278A1
A surge protection circuit, comprising a bidirectional voltage suppressor, and a thyristor type surge suppression unit connected with the bidirectional voltage suppressor in parallel; a first end of the bidirectional voltage suppressor i...  
WO/2018/114202A1
The subject matter of the present invention is an arrangement (4) for monitoring the state of a surge arrester (2), having an electrical resistor (3) which is designed for electrical connection to the surge arrester, characterized by a r...  
WO/2018/114120A1
The invention concerns a protection arrangement (18) for a multiphase uninterruptible power supply system comprising a vacuum circuit breaker (S1a, S1b, S1c) connected in series with an inductive element (14), where the inductive element...  
WO/2018/113346A1
Provided are an interface protection circuit and a device interface. The interface protection circuit comprises a capacitor (201) and a transient voltage suppressor (TVS) tube (202). A first terminal of the capacitor is connected to a co...  
WO/2018/114338A1
The invention concerns a protection arrangement (18) for an uninterruptible power supply system comprising at least one vacuum circuit breaker (BCB3, RBCB3) connected in series with an inductive element (Lr), the protection arrangement (...  
WO/2018/109688A1
Protection system (1) for an electrolytic capacitor (109) comprising a current divider (2) which can be inserted between the electrolytic capacitor (109) and the reference potential; the divider (2) comprises a first branch comprising a ...  
WO/2018/107568A1
Provided are a protection device, a power supply device and a terminal. The protection device comprises a first over-voltage protection unit (11), a surge protection unit (12) and a second over-voltage protection unit (13). The first ove...  
WO/2018/107493A1
A low residual voltage surge protection circuit automatically switching between a series connection and parallel connection. The circuit has three components, A, B, and C, connected in series. For the three components A, B, and C, the ci...  
WO/2018/109740A1
Electric motor (1) for automotive applications which can be installed on board a vehicle, comprising an electronic control circuitry (2) in turn comprising a power driver (4), at least one filtering capacitor (5) at the input to the powe...  
WO/2018/108725A1
The invention relates to a circuit arrangement (100) for energizing and discharging a coil (140), comprising a rectifier (1 10), in particular comprising four diodes (D1, D2, D3, D4), a first resistor (R1), a semiconductor switch (150) a...  
WO/2018/105342A1
A protection circuit for a battery monitoring device for monitoring a battery module protects a circuit from overcurrent without blowing out a path. A signal line group (12) of the protection circuit (11) comprises a plurality of voltage...  
WO/2018/106402A1
The present disclosure is directed to an apparatus (102, 300) for providing power to an outdoor unit (101) and suppressing undesired surge energy imposed on the apparatus (102, 300) from the outdoor unit (101). In one aspect of the prese...  
WO/2018/103368A1
A surge protection method, a surge protection device and an electrical apparatus. The surge protection method comprises: determining a phase of an electrical power source inputted by an electrical power source device (S11); setting a bas...  
WO/2018/100531A1
An electric system is disclosed. The electric system comprises first and second battery subassemblies, an interrupter, and a system controller. The interrupter connects the first battery subassembly in series to the second battery subass...  
WO/2018/095692A1
A circuit is provided for managing an inrush current of a load. The load is coupled between a voltage source and a terminal for a negative supply potential. The circuit comprises a switch that is coupled between the voltage source and th...  
WO/2018/090337A1
An optical or optoelectronic receiver, an optoelectronic transceiver including the same, and a method and system for protecting a photodetector in the same are disclosed. The method of protecting a photodetector generally includes provid...  
WO/2018/090922A1
Disclosed are a lightning protection circuit and a lightning protection power supply using same. The lightning protection circuit comprises a varistor (24, 25, 41) and a spray point (21). The spray point (21) comprises a first conductor ...  
WO/2018/086927A1
The present disclosure relates to a DC power system (1), comprising: a main bus (3), a plurality of power delivery devices (G1-G8, 11-15) configured to be connected to the main bus (3), a first zone partitioning device (7a), and a contro...  

Matches 1 - 50 out of 12,443