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WO/2014/005399A1 |
An overvoltage protection circuit and a current sampling device provided with the overvoltage protection circuit. The overvoltage protection circuit comprises: an enable switch, arranged for controlling a sampling resistor switch which i...
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WO/2014/001011A1 |
The invention relates to a method for checking a supply circuit (10) for at least one ignition circuit (20, 30), which supply circuit comprises at least one energy accumulator (C), a first conversion circuit (5) which increases a supply ...
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WO/2013/171904A1 |
A quality calculation unit (18) contiguously executes a plurality of computation processes on digital data which is repeatedly inputted. An unexpected process execution unit (23) executes as an unexpected process a computation process wh...
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WO/2013/167470A1 |
The invention concerns a device for protecting at least one electrical apparatus (2) against overvoltage generated by a lightning strike, the device comprising a connection socket (7) for connecting the device to a distribution socket (8...
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WO/2013/159580A1 |
A vehicle emergency rescue device (1), comprising a rescue power module, a switch (4), and an alarm device (5); the rescue power module comprises a cell (31), an anode connecting piece (32), and a cathode connecting piece (33); the alarm...
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WO/2013/148553A1 |
A welding system (10) includes a power source (15) configured to generate power and deliver the power to a welding electrode. The power source (15) comprises a positive stud and a negative stud. The welding system (10) also includes cont...
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WO/2013/144316A1 |
The invention relates to a grounding device for a backup power system for connecting a neutral conductor (N40) of a load arrangement (40) to a local ground connector (21) when the load arrangement (40) is isolated from an energy supply g...
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WO/2013/104489A1 |
The invention provides a protection circuit for preventing the DC output of an electronic device, such as an AC/DC conversion device, from being connected to an AC voltage by mistake. The protection circuit comprises an input portion to ...
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WO/2013/102493A1 |
A system (1) to generate an interlocking mechanism (2) for an electronic device to control a power system includes an system interface (3) for receiving a information (4) related to power system elements of the power system and a set of ...
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WO/2013/091175A1 |
An open circuit protection controller comprises an output plug (AC1) and a relay (K1). A normally closed contact of the relay (K1) is connected to one pin of the output plug (AC1), and normally open contacts (A, B) of the relay (K1) are ...
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WO/2013/091689A1 |
The invention relates to a separating device (1) for direct current interruption between a photovoltaic generator (11) and an electrical apparatus (12), in particular an inverter, comprising a mechanical switch (4) and a semiconductor sw...
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WO/2013/081189A1 |
A technique is provided which realizes a prevention of a relay operation under a reverse connection of a battery and suppresses a voltage drop of a driving current path of a relay circuit. In a relay device 100, from a source voltage Vba...
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WO/2013/078848A1 |
A terminal charging protection circuit is provided. The terminal charging protection circuit comprises: a drain electrode of a first PMOS transistor is connected with a first charging port, a substrate of the first PMOS transistor is con...
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WO/2013/066708A1 |
A wireless field device (200) for use in an industrial process control system includes a power source (202) having a power source output. Field device is circuitry powered by the power source output. A protection circuit (308) is configu...
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WO/2013/013415A1 |
A ground wire safe voltage control system comprises a power supply circuit (11), a detection circuit (12), a processing circuit (13) and an output circuit (14). The output circuit (14) is connected to a power breaker connected with a loa...
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WO/2013/003205A1 |
Methods and apparatuses are disclosed for measuring electrical characteristics of power that is applied to a plasma processing chamber when the electrical generator operates in a pulsing mode, when the electrical generator operates in a ...
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WO/2012/163630A1 |
A power supply circuit (22) for a voltage step-up circuit (24) comprises a diode (34) and a first controllable semiconductor (28), wherein the diode (34) is connected in series with the first controllable semiconductor (28) in a main cur...
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WO/2012/159714A1 |
The invention relates to a working apparatus, comprising an electrical consumer and a residual-current protective switching device provided therefor. The consumer is fed with energy via a network current for the operation thereof. When p...
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WO/2012/127007A1 |
The invention relates to a domestic appliance (1) comprising a power cable (2) that has a power plug (3) for connecting the domestic appliance (1) to a power supply and comprising a control device (4) for controlling the operation of the...
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WO/2012/110664A1 |
A voltage control circuit controlling a gate-source voltage (Vgs) of a reverse polarity protection MOSFET (2) which is provided between a DC-voltage source (3) of a vehicle and a supply voltage terminal (Vin) of an integrated circuit (4)...
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WO/2012/107010A1 |
A description is given of a method for the pulsed driving of a transistor, which has a drive terminal (G) and a load path (C-E) and the load path of which is connected in series with a load, and a drive circuit for a transistor (1). The ...
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WO/2012/083738A1 |
The present invention relates to a device for preventing input reverse-connection damage which comprises a protected device, a control circuit and a controlled switch, wherein the controlled switch is connected in series between the prot...
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WO/2012/082895A1 |
A grounding system (44) is provided for welding applications. The system (44) comprises a pair of contacts (56, 68) that are brought into close grounding contact with a workpiece (14), and a measurement circuit coupled to the contacts (5...
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WO/2012/049109A1 |
The invention relates to a method for operating a household appliance, in which an electric semiconductor switch is functionally tested, the control connection of which is subjected at a ignition time t1, t3 to an ignition pulse (3) by m...
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WO/2012/010193A1 |
The present invention relates to an arrangement to detect a ground fault in an AC electric circuit (1) comprising an electric machine (10) having a neutral point (14) connecting to a neutral point and a terminal side (13), and a unit tra...
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WO/2011/113734A1 |
In an on-board electrical system for a motor vehicle comprising: a first energy storage unit (Esys1) with a first voltage level (VSYS1), a second energy storage unit (Esys2) with a second voltage level (VSYS2); a control unit (CU) which ...
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WO/2011/103816A1 |
A reverse connection protecting device and a backup power supply comprising the same. The reverse connection protecting device includes: a charging and discharging interface (2), which defines first and second lead-in ends, and first and...
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WO/2011/088500A1 |
A safety control method and system to activate equipment includes multiple operation of an activation device e.g. as a safety interlock, such as a manual foot or hand control (e.g. a trigger, switch, pedal or button) to initiate activati...
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WO/2011/083029A1 |
The invention relates to a connecting line (10) having at least two conductors L for monitoring a supply voltage and having two further conductors P conductively connected to each other at a first end and comprising a measurement device ...
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WO/2011/075089A1 |
The electrical power circuit in accordance with the invention enables to control, in a fast, safe and reliable manner, the flame glow plug located in the intake manifold and the magnetic valve in a diesel engine cold start system, the sa...
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WO/2011/038993A1 |
The invention relates to a device (1) for switching at least one consumer (2), in particular in a motor vehicle, having a series connection (6) of a first switch (7) and the consumer (2) between the positive pole and the negative pole of...
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WO/2011/014132A1 |
Technical solution concerns an equipment for an automated measurement of the continuity of the PEN conductor and a protective conductor PE in regards with a STN 33 2000-6. The described technical solution considers two equipments. The fi...
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WO/2011/006772A1 |
The invention relates to an electric motor, particularly an electronically commutated electric motor. The electric motor comprises a stator and a rotor particularly implemented as a permanent magnet. The electric motor also comprises a p...
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WO/2011/001509A1 |
Voltage of each of the phase lines (L1, L2, L3) of a 3-phase 4-line AC power source (1) is rectified by a full-wave rectification circuit (11). It is determined whether the output voltage of the full-wave rectification circuit (11) is n...
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WO/2010/149921A1 |
The invention relates to an electricity meter for measuring a phase current and a voltage which are used by a user (3) over at least one phase n of an electric power distribution network (1), comprising a metrology portion (2) with an un...
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WO/2010/119106A2 |
The invention relates to a guide conduit (1) for a cable receptacle (2) with a support device (10) for the upper strand (6), and is designed so that the support device has an essentially flat running surface on the top side of a body whi...
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WO/2010/113187A1 |
This invention concerns a protection and control module for unipolar, bipolar or multipolar electrical systems that includes a detection device or sensor (3) configured to detect both the absorbed and the dispersed current by the electri...
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WO/2010/094514A1 |
The invention relates to a polarity reversal protection device for motor vehicles, comprising a detector device (8), a first connection element (14) connected to the detector device (8) and to a supply supporting point (12), a second con...
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WO/2010/092452A1 |
A circuit interrupter apparatus includes circuit interrupter and a device. The circuit interrupter includes separable contacts, an operating mechanism structured to open and close the separable contacts, and a trip mechanism cooperating ...
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WO/2010/079066A1 |
The invention relates to a voltage supply device for a load, in particular for a network, having an energy store that can be connected to connection terminals and a voltage transformer comprising at least one electronic switch. According...
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WO/2010/028579A1 |
A reversal connection protection circuit. The protection circuit includes a power supply interface (1100), a secondary battery (1200), a power switching unit (1400) and a reversal connection driving unit (1500). The reversal connection d...
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WO/2010/025606A1 |
A safety fire-proofing electric-control device includes air circuit breakers or contactless switches (dev10) connected in a three-phase circuit, a microcomputer governing unit (dev8), a short-circuit sampling and pretest protection unit ...
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WO/2010/018803A1 |
An inductive load drive circuit (10) comprises a control circuit (11) for controlling the switching of a switch circuit (12) and a protective circuit (13). The switch circuit (12) switches conduction and non-conduction of an inductive l...
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WO/2010/015375A1 |
The invention relates to a switch-on protection device (1) for an electrical device supplied by a supply voltage, comprising a supply voltage input (2), a switchable electric load (3) and a supply voltage switch (4) arranged in between t...
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WO/2009/156309A1 |
The present invention concerns a circuit breaker (18) for protecting a power line (14). The circuit breaker (18) includes a control unit (26) and a circuit breaking element (20) disconnecting the power line (14) from a power source. The ...
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WO/2009/135250A1 |
This invention relates to alternating current switching devices and in particular to in-line alternating current switching devices. The invention of an in-line A.C. power switching assembly includes a controllable A.C. power switch which...
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WO/2009/053488A1 |
The present invention is concerned with the operation of substations in which protection, control and measurement devices (Intelligent Electronic Devices IEDs) exchange operational data over a data network, for instance according to IEC ...
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WO/2009/053309A1 |
The present invention proposes that protection, measurement and control IEDs in a substation compute, according to interlocking rules or physical principles as well as a knowledge of the dynamic topology of the substation, for every swit...
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WO/2009/039898A1 |
The present invention relates to a detection circuit for detecting that a power supply unit is connected to a wrong supply voltage. Said detection circuit comprises a first voltage divider (24, 26, 28) connected to the output terminals (...
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WO/2009/026629A1 |
The invention resides in a transformer control circuit comprising a power supply module connected to a transformer; and a control module that regulates power supplied by the power supply module to the transformer; wherein the control mod...
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