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)
11/2011
11/02/2011	CN202026118U Charging device for preventing storage battery from being overcharged
11/02/2011	CN202026117U Charger of electric vehicle storage battery with multiple protection functions
11/02/2011	CN202026114U Self-tracking and self-adapting charging maintenance device of electric car storage battery
11/02/2011	CN202026083U Novel built-in detection apparatus of surge protective device
11/02/2011	CN202026080U Over-temperature alarm system for bus of rectifier cabinet
11/02/2011	CN202026079U Battery package short-circuit protection structure
11/02/2011	CN202026078U Protective circuit of switching power supply
11/02/2011	CN202026077U Short circuit protection circuit for switch power supply, controller for switch power supply, and switch power supply
11/02/2011	CN202026076U Air compressor oil starvation and starting protection special device
11/02/2011	CN202026075U Protective circuit and air conditioner comprising same
11/02/2011	CN202026074U Surge protective device and power-supply system with same
11/02/2011	CN102231598A Power supply circuit
11/02/2011	CN102231570A Control protection system and method of flexible AC transmission device
11/02/2011	CN102231569A Control protection system and method for metal oxide varistor (MOV) branch circuit
11/02/2011	CN102231564A Stand-by power supply automatic switch method for multi-stage series connection power supply network
11/02/2011	CN102231537A Storage battery control circuit for photovoltaic generation system
11/02/2011	CN102231517A Method and system for determining and isolating power distribution network fault
11/02/2011	CN102231516A Battery protection board, power battery and power battery pack
11/02/2011	CN102231515A Control protection method, device and system for series capacitor device
11/02/2011	CN102231514A Soft recovery control circuit of output short circuit
11/02/2011	CN102231513A Motor overload protection and open-phase protection detecting circuit
11/02/2011	CN102231512A Protection unit of double DSP and HPI communication series capacitor compensation device
11/02/2011	CN102231511A LED drive circuit and short-circuit protection circuit thereof
11/02/2011	CN102229327A Automobile power supply system
11/02/2011	CN101776241B LED solar illuminator
11/02/2011	CN101577521B Wind turbine generator system
11/02/2011	CN101454514B Work vehicle
11/01/2011	US8050064 Semiconductor power conversion device
11/01/2011	US8050063 Systems and methods for controlling a converter for powering a load
11/01/2011	US8049455 Electric power converter
11/01/2011	US8049363 Motor drive circuit
11/01/2011	CA2682784C Phase-control switching apparatus and switching control method for phase-control switching apparatus
11/01/2011	CA2538018C Battery cable with provisions for integral circuit protection
10/2011
10/27/2011	WO2011133163A1 Safety circuit
10/27/2011	US20110260748 Apparatus and method for diagnosing permanent magnet demagnetization of permanent magnet synchronous motor, and apparatus for driving permanent magnet synchronous motor
10/27/2011	DE202011104115U1 Elektrisches Kraftwerkzeug mit einer Mehrzahl von Batteriepacks mit jeweils einer einzelnen Zelle An electric power tool having a plurality of battery packs, each with a single cell
10/27/2011	CA2792338A1 Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel
10/26/2011	EP2380254A1 A protection system for an it electrical distribution system having a floating reference conductor
10/26/2011	EP2380253A1 A sentinel unit for an it electrical distribution system having a floating reference conductor
10/26/2011	EP2113982B1 Battery protection integrated circuit
10/26/2011	CN202019325U Starter for failure safety motor
10/26/2011	CN202019306U Pre-charge circuit and high-voltage frequency converter comprising same
10/26/2011	CN202019304U Three-phase large power frequency conversion power supply
10/26/2011	CN202019301U Vehicular high-power DC/DC (direct current/direct current) driving power source
10/26/2011	CN202019219U Multifunctional universal serial bus (USB) charger
10/26/2011	CN202019191U Electric arc fault circuit breaker
10/26/2011	CN202019190U Zero-time-limit override-preventive tripping system for factories and mines
10/26/2011	CN202019189U Inrush current controller and power distribution protection system
10/26/2011	CN202019188U Protection device for power battery voltage inspecting lines
10/26/2011	CN202019187U Intelligent over-discharge protection device
10/26/2011	CN202019186U Overloading alarm and display device for multiple motors
10/26/2011	CN202019185U Protection device for high-voltage motor
10/26/2011	CN202019184U Turbine-lifting protective device
10/26/2011	CN202019183U Ultrasonic wave electric fire alarm test and control device
10/26/2011	CN101865080B Dead zone generation circuit of driver of variable pitch control system
10/26/2011	CN101737170B Aeroengine generating system
10/26/2011	CN101405669B Universal monitoring and diagnostic control system for a transformer or tap-changer
10/26/2011	CN101297448B A converter station
10/25/2011	US8045302 Compressor protection and grid fault detection device
10/25/2011	US8045301 Motor drive device
10/25/2011	CA2628025C Device for limiting current of electric appliance
10/20/2011	WO2011130571A1 Pilot signal generation circuit
10/20/2011	WO2011130535A1 Fault protected current source for lighting element testing
10/20/2011	US20110255199 Arc flash hazard reduction for transformer secondaries
10/20/2011	DE102010027901A1 Einspeisemodul Supply module
10/20/2011	DE102010015096A1 Driver circuit for load in motor car, has bipolar transistor whose load path is provided between gate terminal and power transistor terminal, where base terminal of bipolar transistor is connected with capacitor charged by power transistor
10/19/2011	EP2378380A1 Connection device for field devices and method for operating same
10/19/2011	EP2377239A2 Error detection method for electrical motors having one or more star points
10/19/2011	EP2377235A2 Electrical system for starting up aircraft engines
10/19/2011	EP2377222A2 Hybrid distribution network power restoration control
10/19/2011	EP2377221A1 Feeder automation for an electric power distribution system
10/19/2011	EP2377217A2 Power grid outage and fault condition management
10/19/2011	DE202010003272U1 Steuergerät Control unit
10/19/2011	CN202014407U Protection device for triple-split electronic ballast
10/19/2011	CN202014200U Switch power supply
10/19/2011	CN202014123U Intelligent repair charger
10/19/2011	CN202014113U Battery charging circuit with function of protection and charger with holder
10/19/2011	CN202014089U High-voltage flexible PT device
10/19/2011	CN202014088U Overdischarge protector of solar power system storage battery
10/19/2011	CN202014087U Lithium battery charging protection circuit for portable system
10/19/2011	CN202014086U Safety protection device of power battery pack
10/19/2011	CN202014085U Single-phase alternating-current motor monitor
10/19/2011	CN202014084U Fault diagnosis and short circuit protection circuit of vehicle window motor and vehicle
10/19/2011	CN202014083U Medium-large DC (direct current) motor comprehensive protector
10/19/2011	CN202014082U Distribution transformer protection device
10/19/2011	CN202014081U Failure safety protecting device for ''three wastes'' fluidization mixed combustion furnace
10/19/2011	CN202014080U Short circuit protection circuit of light-emitting diode (LED) constant current source
10/19/2011	CN202013798U High-voltage transformer of microwave oven
10/19/2011	CN202013400U Single-phase grounding line selection apparatus of undercurrent grounding system
10/19/2011	CN202012102U Water-level monitoring and pumping drive system
10/19/2011	CN102223120A Method for controlling permanent magnet brushless direct-current motor and driver
10/19/2011	CN102223064A Serial resonant converter having overload delay mechanism and short-circuit protection mechanism
10/19/2011	CN102222944A High-efficiency wind power generation device
10/19/2011	CN102222900A Electric leakage protective module of alternating-current electric apparatus capable of resisting instantaneous high-voltage impact
10/19/2011	CN102222890A Complex power grid cascading failure analysis method considering atrocious weather factor
10/19/2011	CN102222889A Controller for circuit asymmetrical earth fault current and control method thereof
10/19/2011	CN102222888A Lead-out end phase-failure protection method for leakage circuit breaker
10/19/2011	CN102222887A Under-voltage supervision circuit
10/19/2011	CN102222886A Protection device and method for high-voltage vacuum power distribution equipment for mining
10/19/2011	CN102222885A IGBT (insulated gate bipolar translator) protective circuit

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