| 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) |
|---|
| 08/28/2013 | CN103269099A Battery charge-discharge circuit |
| 08/28/2013 | CN103269097A High-capacity battery electric quantity control circuit |
| 08/28/2013 | CN103269067A Speed-control switch control circuit |
| 08/28/2013 | CN103269060A Microcomputer intelligent arc light protective system |
| 08/28/2013 | CN103269059A Switching circuit improving overvoltage protection precision |
| 08/28/2013 | CN103269058A Controllable gap, and device and method for protecting neutral point of 110KV transformer based on controllable gap |
| 08/28/2013 | CN103269028A Over-current protection type internal arcing protective switch equipment |
| 08/28/2013 | CN102255291B Simulation after test method for pilot protection of alternating-current transmission line based on Bergeron model |
| 08/28/2013 | CN102136719B Method and device for restricting overvoltage stall of inverter |
| 08/28/2013 | CN101707350B Overheat protection circuit and switch power supply circuit |
| 08/28/2013 | CN101615535B Permanent magnet opening and closing type DC intelligent circuit breaker |
| 08/28/2013 | CN101615534B Permanent magnet opening and closing type DC intelligent circuit breaker |
| 08/27/2013 | US8521454 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same |
| 08/27/2013 | US8520418 Power source circuit efficient in conversion from alternating current to direct current |
| 08/27/2013 | US8520345 Protection circuit applied to wind power generation system employing double-fed induction generator |
| 08/27/2013 | US8518573 Low-inductive impedance, thermally decoupled, radii-modulated electrode core |
| 08/22/2013 | WO2013121077A1 Protection system of an electric network of a vessel |
| 08/22/2013 | WO2012146621A3 Hvdc power transmission with cable fault ride-through capability |
| 08/22/2013 | US20130215653 Driver circuit and inverter circuit |
| 08/22/2013 | US20130215543 Protection System for Electrical Power Distribution System Using Directional Current Detection and Logic Within Protective Relays |
| 08/22/2013 | US20130215535 Energy storage subsystem for vehicles, comprising at least one supercapacitor module, energy storage system comprising such a subsystem and rail vehicle comprising such a system |
| 08/22/2013 | US20130214618 Safety System |
| 08/22/2013 | DE102012002962A1 Short-circuiting device for protecting user working in electrical system, has electrodes connected with connection portions of monitored user so that current path is connected parallel with switching element for user |
| 08/22/2013 | DE102011055626A1 Device for controlling electric drive motor of steering system, has determination element that determines phase of current line of electric drive motor so as to activate drive element for controlling electric drive motor |
| 08/21/2013 | EP2629397A1 Method for recharging the batteries of a DC generating unit to supply isolated electrical loads and corresponding device for implementing the method |
| 08/21/2013 | EP2629392A1 Storage battery system |
| 08/21/2013 | EP2629385A1 Energy storage chain for a vehicle, including at least one ultracapacitor module, energy storage system including such a chain and railway vehicle including such a system |
| 08/21/2013 | EP2629314A1 Magnetizing inrush current suppression device |
| 08/21/2013 | EP2628223A1 Circuit assembly for operating an electric load, control device for controlling a drive motor of a household appliance, household appliance and method for operating an electric load in a household appliance |
| 08/21/2013 | CN203151386U Excitation rectifier cabinet blocking type resistance capacitance protection structure |
| 08/21/2013 | CN203151367U Powering-on buffer device of energy feedback converter |
| 08/21/2013 | CN203151170U Solar charging power supply |
| 08/21/2013 | CN203151102U TMS320F2812-based controller of power distribution synchronous compensator |
| 08/21/2013 | CN203151087U Lightning-protection and energy-saving power transformer with non-harmful output power |
| 08/21/2013 | CN203151085U Coal mine power distribution network intelligent protection system |
| 08/21/2013 | CN203151084U Electrical protection circuit for electromagnetic switch |
| 08/21/2013 | CN203151083U Short circuit protection circuit of IGBT module |
| 08/21/2013 | CN203151082U Charge-and-discharge intelligent protector for plumbic acid battery pack used for electric vehicle |
| 08/21/2013 | CN203151081U Battery protection circuit, battery management chip and magnetic resonance system |
| 08/21/2013 | CN203151080U Battery protection device, server and battery management system |
| 08/21/2013 | CN203151079U Double-current loop protective circuit of limited current and excess current |
| 08/21/2013 | CN203151078U Overcurrent protection device of intermediate frequency asynchronous motor |
| 08/21/2013 | CN203151077U Motor speed adjusting voltage Vsp shutdown circuit of brushless motor air-conditioning system |
| 08/21/2013 | CN203151076U Automatic voltage regulator with soft start power overload protection for generator |
| 08/21/2013 | CN203151075U Input protection circuit for PLC (programmable logic controller) |
| 08/21/2013 | CN103262408A Power conversion apparatus |
| 08/21/2013 | CN103259427A High-power-factor constant-current control circuit with open circuit protection |
| 08/21/2013 | CN103259321A Distributed type airborne direct current power supply system based on snake-like robot |
| 08/21/2013 | CN103259320A Swing type wave power generation device |
| 08/21/2013 | CN103259254A Protective system and protective method of serial IGBT valve set |
| 08/21/2013 | CN103259253A Cascaded battery protection circuit and system thereof |
| 08/21/2013 | CN103259252A Permanent magnet motor protecting method and permanent magnet wind generating set |
| 08/21/2013 | CN103259251A Method for distinguishing transformer magnetizing rush current based on weight mathematical morphology |
| 08/21/2013 | CN103259250A Method for identifying transformer sympathetic inrush current based on intelligent substation territory information |
| 08/21/2013 | CN103259249A Power transformer overheating fusing protective device |
| 08/21/2013 | CN103257291A Multipoint synchronous sampling system, sampling method and confluence line differential protection method |
| 08/21/2013 | CN102361337B Charging unit, charger and charging machine |
| 08/21/2013 | CN102352815B Wind generating set |
| 08/21/2013 | CN102278105B Full automatic degassing machine |
| 08/21/2013 | CN101969188B Resistor short-circuit protective device and protective method used for switching power supply |
| 08/21/2013 | CN101860017B Control device for high-voltage and high-power power electronic converter system |
| 08/21/2013 | CN101860014B Motor overload energy bubble protection method and control system thereof |
| 08/20/2013 | US8513927 Power generation circuit for generating and storing electric power utilizing radio wave energy |
| 08/20/2013 | US8513837 Electrical interrupt system and method for use in a hybrid system |
| 08/20/2013 | CA2508353C System and method for adapting to barrier nuisances and obstructions |
| 08/15/2013 | WO2013119315A1 Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel |
| 08/15/2013 | WO2012163731A3 Method for operating a generator in an electrical system, and electrical system having such a generator |
| 08/15/2013 | US20130208386 Transformer Inrush Current Restraining Control Equipment |
| 08/14/2013 | EP2626964A1 High voltage system and corresponding monitoring method |
| 08/14/2013 | EP2625776A2 Method and device to protect an esp power supply from transient over-voltages on the power grid |
| 08/14/2013 | DE102012201995A1 Switching device e.g. circuit breaker for protecting generator in wind power plant, has electronic shutter which is provided with direct current sensor provided with soft magnetic probes as magnetic field detectors |
| 08/14/2013 | CN203135772U Motor unit |
| 08/14/2013 | CN203135765U Motor start and protection control system |
| 08/14/2013 | CN203135735U Continuous current plant |
| 08/14/2013 | CN203135587U Networking device realizing doubling relay protection with different backups |
| 08/14/2013 | CN203135584U Universal relay protection co-test system for intelligent power grid |
| 08/14/2013 | CN203135551U Mobile tool lithium capacitance and lithium battery mixing power supply system possessing heavy current output and high energy density |
| 08/14/2013 | CN203135501U Accumulator battery fully-charged automatic stop charger |
| 08/14/2013 | CN203135432U Arc-resonance extinction route-selecting over-voltage protection device |
| 08/14/2013 | CN203135427U Transformer station bus differential protection system |
| 08/14/2013 | CN203135426U Distinguishing device for faults of charging dead zone of section switch |
| 08/14/2013 | CN203135425U Self-adaption multi-communication-mode intelligent switching device compatible to different protection manufacturers |
| 08/14/2013 | CN203135424U Demarcation load switch enabling transformation ratio switches |
| 08/14/2013 | CN203135423U Novel bus protecting device based on peer communication mode |
| 08/14/2013 | CN203135422U Device employed for distinguishing fault of closing section switch and used for transformer substation |
| 08/14/2013 | CN203135421U Arc light protecting system |
| 08/14/2013 | CN203135420U Arc light unit |
| 08/14/2013 | CN203135419U Integrated distribution box controlling apparatus |
| 08/14/2013 | CN203135418U Digital line protection, monitoring and control apparatus |
| 08/14/2013 | CN203135417U Lithium battery protection circuit |
| 08/14/2013 | CN203135416U Charging protection circuit preventing battery voltage from flowing backward |
| 08/14/2013 | CN203135415U A rechargeable battery protecting controller |
| 08/14/2013 | CN203135414U Protection system for vehicle lithium battery started power source |
| 08/14/2013 | CN203135413U Lithium battery secondary protection fusing circuit |
| 08/14/2013 | CN203135412U Over-current protection self-locking circuit of photovoltaic inverter |
| 08/14/2013 | CN203135411U Overcurrent protection circuit for full-bridge topological module |
| 08/14/2013 | CN203135410U Switch power supply protection circuit and power supply apparatus |
| 08/14/2013 | CN203135409U Oil well motor dazzling electricity resistance auxiliary maintaining device |
| 08/14/2013 | CN203135408U Motor three-phase unbalance protection device |
| 08/14/2013 | CN203135407U ARM-based intelligent three-phase motor operation protector |