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Matches 1 - 50 out of 36,638

Document Document Title
WO/2019/092834A1
In order to obtain a DC interrupting device having a current-limiting fuse, the erroneous blowout of which hardly occurs during normal time when accident current does not occur, and delivering a high current-limiting performance when the...  
WO/2019/091737A1
A control system for and a method of fault isolation and electrical power restoration on an electrical network are provided and comprise: a plurality of electrical power supply facilities connectable to a region of a network, the region ...  
WO/2019/090446A1
The present invention relates to a device standby power off controller and a device standby power off method. The present device standby power off controller is suitable for being connected to a device power supply main circuit and contr...  
WO/2019/091739A1
The subject of the present invention is a differential protection device (1) allowing fault currents in an electrical installation to be detected and comprising a detection and control module (3) with a measurement torus (4) through whic...  
WO/2019/091740A1
The subject of the present invention is a differential protection device allowing fault currents in an electrical installation to be detected and comprising a detection and control module (3) with a measurement torus (4) through which th...  
WO/2019/093571A1
The present invention relates to a device for protecting an inverter for photovoltaic power generation, which is capable of performing an inverter protection operation in response to an occurrence of external force as well as neutral wir...  
WO/2019/091410A1
Provided is an arc leakage protection device (100), comprising: an arc signal acquisition unit (101), a leakage signal acquisition unit (104), a detection unit (102), and an execution unit (103). The arc signal acquisition unit (101) is ...  
WO/2019/091782A1
The disclosure comprises an electric connection module (100) for connecting a signal line (101) to a communication line (103), wherein the signal line (101) has an electric shield (105), comprising a connecting contact (107) which can be...  
WO/2019/092103A2
A system include a vehicle having a motive electrical power path and a power distribution unit (PDU). The PDU includes a current protection circuit disposed in the motive electrical power path, the current protection circuit including a ...  
WO/2019/093187A1
An output device (3) outputs a DC voltage applied between a first terminal (T1) and a second terminal (T2) via a drain and source of a semiconductor switch (30). With the output device (3), a conversion circuit (32) converts this DC volt...  
WO/2019/087974A1
This power supply protection circuit (10a) controls a protection switch (2) which is inserted into a power supply line that connects a direct-current power supply (1) and a load circuit (3) with each other; and this power supply protecti...  
WO/2019/090163A1
Aspects of the present disclosure involve systems, methods, devices, and the like for generating a self-adaptive system for large scale online machine learning computations. In one embodiment, a system is introduced that can generate and...  
WO/2019/088908A1
A method and a device for detecting faults and for protection of electrical networks, the electrical networks being fed from a transformer station (20) through a first three-phase switching device (25) with circuit breaker (18), a distri...  
WO/2019/086058A1
The invention concerns the method and connection to limit the value of voltage between the neutral point (1) of the network and ground (2), namely in networks with directly earthed neutral point (1) or in networks where the limiting impe...  
WO/2019/085153A1
A leakage protection circuit for a double-ended power LED lamp tube, comprising a rectification circuit (20) and a main circuit (30), wherein the main circuit (30) comprises a voltage detection circuit (330), a current detection circuit ...  
WO/2019/086249A1
The invention relates to a circuit arrangement for combined protection of a load from temporary and transient overvoltages with emergency operation of the load in the presence of a temporary overvoltage and with integrated follow current...  
WO/2019/086299A1
An arrangement for a refrigeration and/or freezing appliance, having an electrical or electronic component (1, 2a) and having ascertainment means (2, 4) by which an electrical or thermal load of the component can be ascertained, wherein ...  
WO/2019/086285A1
The invention relates to a polarity-reversal protection arrangement comprising a transistor circuit (9), an amplifier circuit (5) and an output driver stage (7), wherein the amplifier circuit (5) is connected to the output driver stage (...  
WO/2019/084304A1
A pyro-fuse control system (101) includes a current sensing circuit (102) and a diagnostic circuit (104). The current sensing circuit (102) is configured to determine whether the current flowing in a conductor (122) exceeds a threshold c...  
WO/2019/080989A1
The invention relates to a protective circuit (1) which is at least provided with the first field-effect transistor (2) comprising a first drain connection (3), a first source connection (4) and a first gate connection (5), a control app...  
WO/2019/077958A1
An electricity storage device 18 has: a switch circuit 21 connected to a direct current voltage bus 17; and a switch circuit 22 connected between the switch circuit 21 and a DC-DC converter 23. A smoothing capacitor C1 is connected betwe...  
WO/2019/077447A2
The present invention concerns a safety device (1000, 2000, 3000, 4000, 5000) for industrial machinery (1100, 3100), comprising: at least one sensor (1210, 1220, 1230, 2250, 3260) configured in such a way that it detects the presence of ...  
WO/2019/075546A1
A smart hybrid electrical system for controlling operation of electrical devices is disclosed. The system includes a control unit coupled to receiving units (RFID tag unit, a Bluetooth unit and a WiFi unit), a relay unit connected to the...  
WO/2019/079703A1
Methods and apparatus for adaptive surge protection are disclosed. An example method comprises providing load voltage to the electric load by regulating a source voltage with a surge protection device (102); monitoring, via a voltage det...  
WO/2019/078510A1
A direct current protection device according to one technical aspect of the present invention, which receives direct current power supplied from an AC-to-DC converter and performs a protection operation against overcurrent, may comprise:...  
WO/2019/077445A1
The present invention concerns a safety device (4000) for industrial machinery (3100), comprising: at least one sensor (1210, 1220, 1230, 1240, 2250, 3260) configured in such a way that it detects the presence of an abnormal situation fo...  
WO/2019/075217A1
Arc fault detection devices and methods are described current between a source and a load is periodically measured. A variance of the periodically measured current values is derived and an arc fault can be detected abased on the derived ...  
WO/2019/074779A1
A digital power distribution system includes a source sensor configured to provide feedback that includes a signal indicative of voltage across the source terminals; a source controller configured to receive the feedback from the source ...  
WO/2019/072607A1
The invention relates to a method, in particular that can be carried out in a vehicle, for actuating a controllable switching element (10) when a fault, e.g. an overcurrent and/or an overtemperature, occurs. In the method according to th...  
WO/2019/070147A1
The present invention relates to methods and devices for detecting and protecting against arcing in electrical networks and electrical installations. An operating method of a device for protecting against arcing in a protected circuit in...  
WO/2019/068669A1
A current limiter device (17) is specified, comprising – an electrical coil device (1) having an inductor (3) with two electrical connections (19), by means of which the coil device (1) is connectable to a superordinate circuit, and a ...  
WO/2019/069247A1
Disclosed herein is a method for circuit breaker failure (CBF) protection in a power substation. The method detects the failure of circuit breakers (CBs) that are associated with a power plant connected to a power network via the powered...  
WO/2019/064453A1
This electronic circuit breaker (1) is provided with: an opening/closing contact (3) for opening/closing an electric path (2); a current detection unit (6) for detecting a current flowing through the electric path (2); a trip device (4) ...  
WO/2019/063186A1
The invention relates to a multi-line supply unit (1A) for a vehicle control device, having at least two supply lines (S1, S2) which are each connected at the input to at least one vehicle voltage source and are joined at the output in a...  
WO/2019/061120A1
Disclosed are a surge protection circuit and a surge protection device. The surge protection circuit comprises a feedback module, a switch module, a control module and a surge protection module, wherein one end of the feedback module is ...  
WO/2019/063502A1
The invention relates to a method for operating a circuit breaker (1), wherein a switch-off process is initiated with a detection of a residual current, wherein, during the switch-off process, a voltage value (2) between a neutral conduc...  
WO/2019/067484A1
A full duplex communication system comprises a magnet-less ring circulator that comprises a set of ports extending from a circumference of the magnet-less multi-port ring combiner. The set of ports are positioned at λ/4 increments aroun...  
WO/2019/063138A1
The invention relates to an electronic circuit breaker (2) comprising a first semiconductor switch (Q3) which is switched into a current path (3) between a voltage input (4) and a load output (6) and comprising a controller (10) which is...  
WO/2019/061824A1
An optical coupling overvoltage protection circuit, relating to the technical field of circuit safety protection and comprising: a fuse (F2), a power supply chip (U6), a transient diode (D11), and an optocoupler (U5); the fuse (F2), the ...  
WO/2019/060841A1
This disclosure pertains to systems and methods for detecting traveling waves in electric power delivery systems. In one embodiment, a system comprises a capacitance-coupled voltage transformer (CCVT) in an electric power delivery system...  
WO/2019/057148A1
A power source protection apparatus, comprising a protection IC, a switch tube group and a sampling resistor, wherein the protection IC is respectively connected to positive and negative poles of the battery cell and comprises a mirror i...  
WO/2019/060848A1
An intelligent electronic device (IED) may detect arrival times and/or other characteristics of traveling waves and/or reflections thereof to determine a distance to a fault location in terms of per-unit length. An IED may convert betwee...  
WO/2019/057144A1
A power source protection apparatus of a battery protection apparatus, which battery protection apparatus is used for protecting a battery cell connected to a load. The power source protection apparatus comprises a protection IC, a switc...  
WO/2019/060521A1
An electrical system can include a power supply configured to provide electrical power to components at a time at which the electrical system experiences an electrical fault. The electrical system can include a first battery electrically...  
WO/2019/051607A1
There is provided a system for assigning power to a plurality of smart appliances. The system includes a plurality of smart outlet assemblies. Each of the smart outlet assemblies is paired to and in electrical communication with a respec...  
WO/2019/048475A1
The present application provides a floating voltage processing circuit for a multipath MPPT photovoltaic inverter. The circuit includes: a comparator unit including a comparator, a first divider resistor and a second divider resistor, he...  
WO/2019/049512A1
The overcurrent protection circuit according to one embodiment of the present invention is provided with a current supply line, a protection transistor, and a voltage generation unit. The current supply line has a first switch and a curr...  
WO/2019/050229A1
The present invention relates to a double incoming breaker system which is applied to the power system of a power plant, including a three-winding transformer, the double incoming breaker system comprising: multiple main circuit-breakers...  
WO/2019/042134A1
A circuit breaker, comprising: a primary protection circuit (100) connected to a protected circuit (300) in series; an auxiliary protection circuit (200) connected to the protected circuit (300) in series, the primary protection circuit ...  
WO/2019/044979A1
A distributed power supply device 10 has: a DC power supply part 14; a ground fault sensor 19; an electrical leakage breaker 11; a disconnection detection unit; and a control unit 21. The DC power supply part 14 outputs DC power. The gro...  

Matches 1 - 50 out of 36,638