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Matches 101 - 150 out of 1,753

Document Document Title
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...  
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...  
WO/2012/146412A3
The invention relates to a control device (12) for actuating a pulse-controlled converter of an electric drive system, having: an open-loop/closed-loop control circuit (12a) which is configured to generate pulse-width-modulated actuation...  
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...  
WO/2012/110913A3
A system (116, 120) for electrically limiting leakage current in a patient- connected medical device (100). The system (116, 120) includes a first set (116) of one or more switching devices (118) that selectively connect a first power ou...  
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...  
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 ...  
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...  
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...  
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...  
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)...  
WO/2012/069045A3
The invention relates to a circuit for protecting an electric load against reverse polarity using a MOSFET (metal oxide semiconductor field-effect transistor) (T1), wherein the circuit is connected on the input side to a voltage supply a...  
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 ...  
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...  
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...  
WO/2011/144180A3
A control circuit for preventing a battery group (101) from being reversely connected includes a normally-open contactor (102), a first normally-open relay (103), a first diode (104), a second diode (105), a second normally-open relay (1...  
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...  
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...  
WO/2011/051016A3
The invention relates to an electric machine tool (100), comprising an electronics unit (180) for implementing a starting inhibitor, wherein the electric machine tool (100) can be connected to an associated energy source (110) in an elec...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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 (...  
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...  
WO/2008/157695A3
A reclosing fault protection device detects a partial bypass state. Upon detecting the partial bypass state, the fault protection device implements a ground trip delay operating slate. The ground trip delay operating state provides a del...  
WO/2009/010328A1
The polarity reversal protection unit comprises a pyrotechnic separation unit, a detector unit, a trigger element, a first connection element that is electrically connected to at least one consumer connection and a second connection elem...  
WO/2008/108330A1
When a battery is reversely connected, unnecessary electrification to a glow plug is avoided. Power MOS field effect transistors (1-1 to 1-n) are provided and connected in series between a vehicle battery and glow plugs (5-1 to 5-n) depe...  
WO/2008/068275A3
The invention relates to a device for controlling the mode of operation of an electric circuit in a motor vehicle. It has a protective circuit comprising a detection unit and a control unit. The detection unit is provided for detecting t...  
WO/2007/067865A3
The invention provides a sensor assembly which can sense human tissue in a protected area of a machine. An emitter plate and a plurality of sensor plates are disposed co-planar to each other and adjacent to the protected area of the mach...  
WO/2008/080793A1
For a motor vehicle controller comprising one or more first high-side-driven loads (1) which is or are driven by a load drive (2), and in particular at least one further high-side-driven load (3), with the load drive and the loads being ...  

Matches 101 - 150 out of 1,753