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Matches 1 - 50 out of 36,434

Document Document Title
WO/2019/007503A1
The invention relates to a power converter (1) comprising at least one phase module (33) which is arranged between a first DC voltage connection (37) and a second DC voltage connection (41) of the power converter and which has a large nu...  
WO/2019/001714A1
A remote power unit (1) for providing direct current power to a remote power receiver (2) in a direct current power system (4) is provided. A residual current protection circuit (12) comprises a first switch (13a), which opens a positive...  
WO/2019/006376A1
Methods, systems, and devices for protecting a wireless power transfer system. One aspect features a sensor network for a wireless power transfer system. The sensor network includes a differential voltage sensing circuit and a current se...  
WO/2018/236634A1
An electrical circuit and a method for regulating current and providing a circuit breaker to the electrical circuit. The circuit includes a bidirectional cell including a set of forward switches for power flow during a forward mode of op...  
WO/2018/234517A1
The invention relates to an overvoltage protection device having connection elements, an overvoltage protection unit (ÜSE1), two contact elements (K1, K2), a slider (AS), a connection plate (B) and an energy store (F). The two contact e...  
WO/2018/235278A1
Provided is a control device for an electric power conversion apparatus, the control device detecting the occurrence of an earth fault in a direct-current path of a system where a direct-current path between a solar cell module and an el...  
WO/2018/236710A1
An electrical circuit is connected between a power source and a plurality of loads. A plurality of load protection devices is connected in parallel in a plurality of branches of a multi-branch, sub-circuit. Each one of the load protectio...  
WO/2018/231899A1
Electrical cables with integral surge protection are disclosed. An example electrical cable surge protector (100) includes an electrically insulated cable; first and second plugs (104, 106); and a surge protection circuit (102) electrica...  
WO/2018/229918A1
A first problem of the present invention is to enable the total distance of a power supply line to be as short as possible, and a second problem is to easily release the heat generated in a power supply wiring body to the outside. A wiri...  
WO/2018/227235A1
Remote control of circuits is enabled by a control circuit management technology (CCMT) device, system and method coupled to one or more circuit breakers. The CCMT is enabled to remotely and selectively switch off and on one or more circ...  
WO/2018/224849A1
An electronic device for adjusting the leakage sensitivity of a Residual Current Device (RCD) comprising a power supply board, a board for generating an artificial residual current and an electronic control circuit board. The device is c...  
WO/2018/224782A1
The subject of the present invention is a differential protection device (1) for detecting a fault current in an electrical installation. Said device (1) comprises, on the one hand, a transformer with a toroidal core (T), with a primary ...  
WO/2018/224783A1
The subject of the present invention is a differential protection device (1) for detecting a leakage or fault current in an electrical installation. Said device (1) comprises, on the one hand, a transformer with a ferromagnetic core (T),...  
WO/2018/224784A1
The subject of the present invention is a differential protection device (1) for detecting a leakage or fault current in an electrical installation. Said device (1) comprises, on the one hand, a transformer with a ferromagnetic core (T),...  
WO/2018/224424A1
The present invention concerns a detection device (19) for detecting a short circuit current in an electrical power transmission cable (1), comprising: - an electrical power transmission cable (1) for a high-voltage DC network, comprisin...  
WO/2018/219625A1
The invention relates to a protection system (10) for the overcurrent protection of a battery system (200), having: - a circuit breaker (70) for interrupting an electrical current path (P) in the battery system (200), - a detection unit ...  
WO/2018/219544A1
The invention relates to a method for operating a vehicle charging apparatus (22) for charging a vehicle battery (24). A particular line (VL1; VL2; VL3) on the decoupling point side is initially assigned to the first line (FL1; FL2; FL3)...  
WO/2018/222842A1
A surge arrester system includes a surge arrester, and an active cooling system having a cooling interface in contact with the surge arrester and operative to transfer heat from the surge arrester. The active cooling system includes a fo...  
WO/2018/221619A1
[Problem] The objective of the present invention is to provide a method for detecting an electricity leakage, which does not require the generation or injection of a signal, does not have a condition that a ground capacitance is balanced...  
WO/2018/215215A1
The invention relates to a primary-pulsed switching power supply (1) for converting an input voltage (Ue) into an output voltage (Ua), at least comprising: a primary-side circuit branch (2) to which the input voltage (Ue) can be applied;...  
WO/2018/214954A1
A high-voltage protection apparatus for a circuit system, comprising: a self-locking circuit unit (42), a capacitive over-voltage detection circuit unit (46), a timing control circuit unit (44) and a logical operation circuit unit (48), ...  
WO/2018/215175A1
The invention relates to a soft starter (10) comprising a plurality of live phases (12, 14, 16), wherein a semiconductor switching element (21, 23, 25) and an electromechanical switch (22, 24, 26) parallel-connected thereto are arranged ...  
WO/2018/215380A1
The invention relates to a storage device (1) for storing electrical energy, comprising: at least one storage cell (2) which has a cell housing (3), a receiving chamber (4) delimited by the cell housing (3), and at least one storage mean...  
WO/2018/216167A1
The invention is characterized by comprising: an open-close contact point 2 for opening and closing an electrical path 1; a current detection device 3 for detecting a current in the electrical path 1; a first microcomputer 10 into which ...  
WO/2018/211577A1
A digital relay is provided with: an output circuit (6) for outputting an operation signal to a DC circuit breaker (5) for interrupting a DC main circuit (2); and a processor (9) which samples, at predetermined time intervals, digital da...  
WO/2018/210352A1
A squarely arranged hybrid direct current circuit breaker valve structure, consisting of an on-state branch, a current-limiting branch and an energy-consuming branch. The on-state branch is a square on-state branch valve tower composed o...  
WO/2018/210507A1
The invention relates to a method for determining a permissible deviation (ZA) for a drive system (1) and to a drive system (1). Further, the invention relates to an installation, in particular a paper machine. A characteristic feature o...  
WO/2018/206283A1
A protection relay connection assembly (10) for connecting a current transformer (14) and/or a voltage transformer (16) of an electrical network (12) to a protection relay (18) is provided. The protection relay connection assembly (10) i...  
WO/2018/208991A1
Certain embodiments involve a modular medium voltage fast charger. The modular medium voltage fast charger can include: (1) a predictive power factor correction ("PFC") controller (or predictive controller) for series-interleaved multi-c...  
WO/2018/201605A1
An electric toothbrush, comprising a motor and a power supply circuit providing a driving power supply to the motor; the power supply circuit comprises a current detection circuit (10) and a main control circuit (20); the current detecti...  
WO/2018/197332A1
The invention relates to a method for localising an earth fault of a fire protection system (1), and to a fire alarm system and/or a fire-extinguishing control station (10) with a plurality of connection points (60a1, 60a2, 60b1, 60b2, 6...  
WO/2018/200010A1
A circuit for mitigating electric shock including an external impedance detection circuit (120) and a test and holdoff circuit (140). The external impedance detection circuit detects a presence of an external impedance (R16), such as by ...  
WO/2018/197162A1
The invention relates to a method for identifying an outgoing circuit having an earth fault in a three-phase power supply system, wherein the zero voltage (U0) occurring at a neutral point and the zero currents (I01, I02,…, I0n) of the...  
WO/2018/198438A1
The purpose of the present invention is to enable a ground fault accident zone to be accurately determined in a DC electric railway in which DC power is supplied to a train from a plurality of feeder substations through a feeder. Provide...  
WO/2018/196964A1
The invention relates to a method for generating an activating signal (A) for a direct current circuit breaker (22), which is arranged between a high-voltage direct current source (11) and a high-voltage direct current transmission line ...  
WO/2018/192826A1
The invention relates to a fault current limiter for medium-voltage switchgears, wherein means for limiting the fault current are provided which can be activated at the latest in the presence of a fault current or which are inherently ac...  
WO/2018/188364A1
An electromagnetic leakage protection circuit, comprising a shell (1) provided therein with an alternating-current input interface (2) and an alternating-current output interface (3); a leakage switch (4) is provided between the alternat...  
WO/2018/188753A1
A circuit arrangement (100) is disclosed that is electrically connectable in a current path (1). The circuit arrangement (100) comprises at least one switching element (20, 30, 40), comprising at least a first terminal (21, 31, 41), a se...  
WO/2018/189751A1
The invention provides an electric driver control system and method that utilizes detection of change in current signature of an electric driver to automatically switch on/off and operate the driver. The change in current signature corre...  
WO/2018/191343A1
The present disclosure provides embodiments of power distribution system components, such as arresters, isolators, bushings, and fuses that include one or more end caps that have predefined heat resistant characteristics that can withsta...  
WO/2018/188773A1
The inventive method is designed for improving the protection of MV network (1) grounded through the Petersen-coil device (7) and equipped with at least one of intelligent electronic devices lEDs (61....6n) as a protection device for pow...  
WO/2018/185051A1
Electrical switching device (1), comprising at least one semiconductor switch (2, 3) which is arranged in the current path (4, 5), electrical measuring devices (7, 8, 9, 24), a control device (6) which evaluates the measured values ascer...  
WO/2018/178990A1
Safety power disconnection for remote power distribution in power distribution systems is disclosed. The power distribution system includes one or more power distribution circuits each configured to remotely distribute power from a power...  
WO/2018/177212A1
An electronic device (200), comprising a boost inductor (201), an auxiliary winding (202), and an accommodating housing (203). The auxiliary winding is coupled to the boost inductor; the boost inductor and the auxiliary winding are accom...  
WO/2018/179827A1
A power generator (1) is provided with: an output information acquiring unit (5) for acquiring output information including power generation body capacity information and the output frequency information of the power generator (1), said ...  
WO/2018/178999A1
To provide safe, durable and reliable electrical power supply, to avoid electrical fire accidents and shock hazards in the existing electrical wiring network, to avoid power losses in the distribution Transformers, to avoid appliances da...  
WO/2018/177806A1
A domestic appliance (1) comprises a first power supply unit (2), which generates electrical power intended for operation of the domestic appliance from an alternating supply voltage (Ua) provided by a supply network (A), and at least on...  
WO/2018/172295A1
The invention relates to an overvoltage protector (8) for protecting a device (4) to be protected, comprising a first terminal (12) and a second terminal (14). A number of strings (22) are connected in parallel to one another between the...  
WO/2018/172820A1
A protection device, included in a protection system for photovoltaic generators, connected in series to form at least a string of generators connected to at least one inverter, of the type that can be installed between each generator an...  
WO/2018/172135A1
The invention relates to a method for operating a power distributing device (2) for connecting a number of loads (4a, 4b) to a DC voltage supply (6), comprising a number of hierarchical stages (H1, H2) which are connected between the DC ...  

Matches 1 - 50 out of 36,434