H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions

Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726)
11/2006
11/29/2006	EP1726074A1 Overload release
11/29/2006	EP1651865B1 Method of controlling a wind turbine connected to an electric utility grid during malfunction in said electric utility grid, control system, wind turbine and family hereof
11/29/2006	CN2842837Y Switch powersupply parallel operation system and its output overvoltage protective circuit
11/29/2006	CN1870378A Travelling wave identification method of superhigh voltage DC line fault
11/29/2006	CN1870377A Method for quickly identifying DC pole bus earth fault using voltage as axiliary decision basis
11/29/2006	CN1870376A Method for correct identificating paradrop excitation surge and paradrop fault in transformer protection
11/29/2006	CN1870375A Method for judging TA saturation
11/28/2006	US7142401 Detecting overcurrents in a switching regulator using a voltage dependent reference
11/28/2006	US7140237 Transformer monitoring system
11/23/2006	WO2006123962A1 Method for protecting a user of a three-phase alternating-current network against operating emergency conditions and device for carrying out said mehtod
11/23/2006	WO2006122884A1 Apparatus for short circuit protection
11/23/2006	WO2006026297A3 Resistor dropper power supply with surge protection
11/23/2006	US20060262578 Cable management techniques for power converters
11/23/2006	US20060262577 Non dissipative snubber circuit with saturable reactor
11/23/2006	US20060262465 Power-station installation
11/23/2006	US20060262464 Output current threshold adjustment for a power supply
11/23/2006	US20060262463 Power supply
11/23/2006	US20060262461 Non-planar x-ray sensor
11/23/2006	US20060261922 Over-current protection device and manufacturing method thereof
11/23/2006	DE102005029816A1 Drive system for permanent-excited electrical machine e.g. for drive motor in hybrid drive vehicle, includes protection circuit for storing drive signals in storage element with occurrence of fault
11/23/2006	DE102005023486A1 Serially connected capacitors monitoring and controlling method, involves bridging capacitors up to end of discharging in case of dropping of voltage of one of capacitors below threshold voltage by using switch
11/23/2006	DE102005017835B3 Photovoltaikgenerator mit Thermoschalterelement Photovoltaic generator with thermal switch element
11/23/2006	DE102004026254B4 Pumpenantriebsmotorsteuerungsgerät Pump drive motor control apparatus
11/22/2006	EP1724899A1 Apparatus for short circuit protection
11/22/2006	EP1724892A2 Live conductor stringing and splicing method and apparatus
11/22/2006	EP1724891A2 Live conductor stringing and splicing method and apparatus
11/22/2006	EP1724890A2 Live conductor stringing and splicing method and apparatus
11/22/2006	EP1724889A2 Live conductor stringing and splicing method and apparatus
11/22/2006	EP1724060A2 Angle grinder
11/22/2006	EP1724059A2 Angle grinder
11/22/2006	EP1724058A2 Angle grinder
11/22/2006	EP1724057A2 Angle grinder
11/22/2006	EP1723483A2 Switching power supply controller with built-in supply switching
11/22/2006	CN2840470Y 温度检测控制电路 Temperature measurement and control circuit
11/22/2006	CN2840462Y Overvoltage charging protection circuit
11/22/2006	CN2840461Y Inverter current limiting protection circuit
11/22/2006	CN2840439Y DC power supply load short-circuit self-restoring circuit
11/22/2006	CN2840437Y Temperature adaptive overcurrent short-circuit protection circuit
11/22/2006	CN1866716A Electrical power source, operational method of the same, inverter and operational method of the same
11/22/2006	CN1866660A Integrated protection system based on electric current principle
11/22/2006	CN1866659A Method and apparatus for power supply phase-missing detection and phase sequence correction of triphase AC motor
11/22/2006	CN1866658A Locking power-off protection circuit employing pulse modulation
11/22/2006	CN1866657A Overvoltage arrester
11/22/2006	CN1866043A System and method for determining location of phase-to-earth fault
11/22/2006	CN1286261C Device and method for controlling supply of current and static capacitance to compressor
11/22/2006	CN1286237C Circuit for detecting an inadmissibly high current in an output stage
11/21/2006	US7138924 Disturbance direction detection in a power monitoring system
11/21/2006	US7138783 Actuator with control unit and method for operating said actuator
11/21/2006	US7138739 Magnetic bearing
11/21/2006	CA2198996C Thermal ink jet printhead driver overcurrent protection scheme
11/16/2006	WO2006121067A1 Protection circuit and battery pack
11/16/2006	US20060257723 Protection circuit module for a secondary battery and a battery package using same
11/16/2006	US20060256590 Over-voltage protection circuit for power converter
11/16/2006	US20060256589 Shoot-through prevention circuit for passive level-shifter
11/16/2006	US20060256588 Current overloading proof switch power supply and its IC
11/16/2006	US20060256488 Medium voltage motor starter including a contactor having motor protection relay functionality
11/16/2006	US20060256487 Semiconductor superjunction device
11/16/2006	US20060256486 Tuning circuit
11/16/2006	US20060255757 Method and device for controlling a door/gate drive
11/16/2006	DE102006020657A1 Protection device and method to interrupt supply to an electric motor has interrupter switch that can be configured to operate at different levels of current or voltage supply
11/16/2006	DE102005020829A1 Cordless power tool such as screwdriver, activates switch-off function when sudden increase in speed or sudden drop in torque occurs
11/16/2006	DE102005008766B3 U-Boot-Gleichstromnetz Submarine DC power
11/16/2006	DE102005005236B4 Fahrzeug mit einem Bordnetz und einer Mehrzahl von elektrischen Lasten Vehicle with a vehicle electrical system and a plurality of electrical loads
11/15/2006	EP1721375A1 Protective device for a consumer branch
11/15/2006	EP1721374A2 Method for improved battery state of charge
11/15/2006	CN2838140Y Onboard DC-DC converter
11/15/2006	CN2838121Y Voice intelligent protector for storage battery
11/15/2006	CN2838120Y Lithium ion battery protective controller
11/15/2006	CN2838119Y Burst-proof protecting device for electric running machine
11/15/2006	CN2838118Y Intelligent self-learning motor protective circuit breaker
11/15/2006	CN1863349A Cell phone with solar power supply function
11/15/2006	CN1862909A Cordless power tool with overcurrent protection circuit
11/15/2006	CN1862903A Split-phase current phase differential protecting method for extra-high voltage transmission line
11/15/2006	CN1862902A Over-voltage protector
11/15/2006	CN1862277A Admittance criterion protection method of field loss of salient pole generator
11/14/2006	US7136269 Inverted circuit overcurrent protection device and hybrid integrated circuit device with the same incorporated
11/14/2006	US7135845 Drive circuit for a switch in a switching converter and method for driving a switch in a switching converter
11/09/2006	WO2006083470B1 A control technique for limiting the current of an induction machine drive system
11/09/2006	US20060250743 Fault condition protection
11/09/2006	US20060250742 Protection of a power transistor
11/09/2006	US20060250730 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof
11/09/2006	US20060250728 Multiple phase simultaneous switching preventing circuit, pwm inverter and its driving method
11/09/2006	US20060250114 Controller for AC generator
11/09/2006	DE202006011014U1 Error navigator for e.g. bus bar, has outgoing power supply cables, and partial sections with connected cable sections that provide impedance value, where power transformer adds currents that are supplied to navigator
11/09/2006	DE102005019571A1 Inverter arrangement, has bond wire sections with units for generation of damping resistances for reduction of rear oscillation in case of short-circuit of arrangement, where resistances act only in case of short circuit
11/09/2006	DE10117372B4 Schutzeinrichtung, Schutzanordnung und Schutzverfahren für eine elektrische Leitung Protection device, the protection arrangement, and protection method for an electric line
11/08/2006	EP1720241A2 Photovoltaic generator with thermal switch
11/08/2006	EP1719241A1 Method for diagnosing operating states of a synchronous pump, and device for carrying out said method
11/08/2006	EP1719232A1 Thermal overload protection
11/08/2006	EP1719231A1 Thermal overload protection
11/08/2006	CN2836340Y IGBT module drive circuit
11/08/2006	CN2836323Y Explosion-proof electric roller with overload protection
11/08/2006	CN2836301Y Reverse connection prevention circuit for power supply
11/08/2006	CN2836300Y Motor starting control and protection device
11/08/2006	CN2836299Y Mini-type integrated explosion-proof and intrinsically safe multi-functional vacuum electromagnetic starter for mining use
11/08/2006	CN2836298Y Power supply with status switch contact output
11/08/2006	CN2835656Y Single-phase full-automatic socket for water pump
11/08/2006	CN1860653A Live conductor stringing and splicing method and apparatus
11/08/2006	CN1858962A Method for controlling a direct voltage source and a voltage supply device
11/08/2006	CN1858954A Method for realizing line differential protection based on long line equation

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