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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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WO/2018/089124A1 |
An example system includes a channel over which signals are transmitted between test equipment and a device under test (DUT); and limiting circuitry to limit a voltage on the channel. The limiting circuitry includes a PN-junction device ...
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WO/2018/085074A1 |
A motor protection relay including a housing and a printed circuit board disposed within the housing, the printed circuit board including a central processing unit and a wireless communication interface, the wireless communication interf...
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WO/2018/076431A1 |
Provided is a short-circuit failure current limiter, comprising: a circuit breaker CB1, a transfer current limiting unit and a current detection unit. The current detection unit is connected in series with the circuit breaker CB1, and af...
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WO/2018/080483A1 |
In an example implementation, a method of power management, includes gradually increasing a compensation load in parallel with the device load to increase AC mains current up to a current set point prior to activating a device load. The ...
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WO/2018/079153A1 |
Provided is a laser machining device comprising: noise suppression devices (6, 7) to which a commercial power supply is fed via a breaker (4), and which suppress noise included in the commercial power supply; a power supply circuit (8) w...
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WO/2018/080645A1 |
Embodiments of the disclosure include a fault current limiter having a first current splitting device including a primary winding and secondary winding wound around a first core, and a second current splitting device including a primary ...
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WO/2018/071024A1 |
In some examples, a control circuit for a bypass capacitor includes a switch assembly that is activatable between a first state to connect the bypass capacitor between nodes, and a second state to disconnect the bypass capacitor between ...
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WO/2018/066850A1 |
An electronic device includes a connector for connection to an external device; a controller electrically connected to a first external device detection terminal of the connector to detect an electric state of the first external device d...
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WO/2018/066871A1 |
The present invention provides a complex protection device and an electronic apparatus including the same, the complex protection device comprising: a main body; two or more internal electrodes provided inside the main body; one or more ...
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WO/2018/066578A1 |
A filter (101) is provided with: a series circuit comprising a first Zener diode (ZD1) and a second Zener diode (ZD2); and a third Zener diode (ZD3) and a third inductor (L3) connected between a connecting point (NP) and ground. A first ...
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WO/2018/064666A1 |
Described examples include an electrostatic discharge (ESD) protection circuit (100) including a shunt transistor (MN0) coupled between first and second power supply nodes (106, 108), a sensing circuit (105) to deliver a control voltage ...
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WO/2018/061932A1 |
The present invention protects a semiconductor switch by limiting current that fluctuates because of load fluctuation. A protection circuit 14, which is provided with: a switch circuit 19 that becomes conductive when a conductive voltage...
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WO/2018/056364A1 |
An electronic device according to the present invention is provided with: a power supply unit; and a load. The power supply unit is provided with: an input unit which receives power from an alternating current power supply; an earth term...
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WO/2018/052489A1 |
A charge management system including a power distribution bus circuit for distributing energy from a power source to a load, and an intermediate energy storage circuit operably connected to a power distribution bus circuit for aiding in ...
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WO/2018/050997A1 |
The invention relates to a method for protecting a network comprising: -electrical lines (120, 130, 230); -three nodes (10, 20, 30) for interconnection with: -a high-voltage interface with controlled switches; -a local network interface;...
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WO/2018/050638A1 |
Provided is a method and system that includes a direct current solid state power controller 100 that includes a plurality of switching devices 120 connected in parallel for performing switching, one or more main transient voltage suppres...
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WO/2018/041372A1 |
The invention relates to a current-limiting circuit (1) for limiting the magnitude of an alternating current (20), comprising a coil unit (23) and a capacitor unit (26), which are connected electrically in series, and comprising a bridgi...
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WO/2018/041045A1 |
Disclosed are a lightning protection and/or static electricity prevention apparatus and method, wherein same use a lightning protection constant voltage apparatus to prevent lightning and/or to prevent static electricity from affecting s...
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WO/2018/040801A1 |
Provided are an energy processing system and method. The system comprises: a reverse connection prevention unit (32) for preventing a direct current power supply (310) from being reversely connected; a soft start unit (34) for soft start...
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WO/2018/041474A1 |
The invention relates to an overvoltage protection device with monitoring and communication functions, in particular for the information and process industries, having at least one surge arrester with a self-diagnostics unit and a wirele...
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WO/2018/041080A1 |
A semiconductor device enhancing electrostatic discharge (ESD) protection and a layout structure thereof. ESD protection devices and a device (300) to be protected and having a small feature size are located on a same well area. The devi...
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WO/2018/040080A1 |
A surge protection apparatus may include an input terminal; an output terminal, the output terminal electrically coupled to the input terminal;a ground terminal, the ground terminal electrically coupled to the input terminal and output t...
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WO/2018/037262A1 |
In aspects, the present invention provides a method for phase controlled energizing of a power transformer (130). The method comprises acquiring electrical voltage signal from a voltage sensing device (160, 170) connected to the power tr...
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WO/2018/036214A1 |
A shutoff valve-based hybrid current limiter capable of forcing diversion of a current comprises a current-limiting branch, a steady-state conduction branch, an arc current processing branch, and a lightning arrester branch which are arr...
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WO/2018/036866A1 |
The invention relates to a device for coupling a controller to a voltage source. An electric connection between the voltage source and the electric controller can be opened or closed by means of a switching element. An electric resistor ...
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