Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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)
03/2014
03/05/2014CN103618290A Transformer dead-zone fault relay protection method based on short-time open protection and sealed TAs
03/05/2014CN103616612A Medium-pressure insulation and arc light detecting device
03/05/2014CN102545176B Current transformer (CT) current orientation method for wide-area differential combinations
03/05/2014CN102354953B Electric-cooker transformer relay protecting method
03/05/2014CN102324855B Special AC (alternate current) adjustable power supply for carrying out power measurement and control method thereof
03/05/2014CN101820165B Power device for alarm system
03/05/2014CN101595634B Short circuit protection circuit
03/05/2014CN101292407B Prefabricated protection circuit module (PCM) and battery pack containing same
03/04/2014US8666561 Method and apparatus for determining a corrected monitoring voltage
03/04/2014US8665620 Variable frequency timing circuit for a power supply control circuit
03/04/2014US8665619 T-type three-level inverter circuit
03/04/2014US8664901 Method and system for estimating electrical angular speed of a permanent magnet machine
02/2014
02/27/2014WO2014031688A1 Self-powered current sensor with a linear adjustment
02/27/2014WO2014030839A1 Relay control system and method for controlling same
02/27/2014WO2014029886A2 Circuit interruption device
02/27/2014US20140056041 Power generation system, power converter system, and methods of operating a power converter system
02/27/2014US20140055896 Semiconductor device and battery voltage monitoring device
02/27/2014US20140055890 Circuit assembly for an alternating current contactor, motor protection relay and method for producing a power supply unit
02/27/2014US20140055889 Methods for providing generator stator winding ground fault protection
02/27/2014US20140055887 Motor drive device
02/27/2014DE102012215190A1 Method for diagnosing aging of wear-dependant contactor for use with e.g. lithium ion battery used in motor car, involves activating measured insulation resistance between electrical terminals, if resistance falls below given value
02/27/2014DE102012215186A1 Batterie sowie Verfahren zum sicheren Betreiben der Batterie Battery and methods for the safe operation of the battery
02/27/2014DE102012215061A1 Battery system has multiple interconnected batteries, where monitoring electronics of batteries have units for checking plausibility to execute mutual plausibility check of current values determined by current measuring unit of batteries
02/27/2014DE102012214953A1 Batteriemodul mit Alarmleitung Battery module with alarm management
02/27/2014DE102012214927A1 Verfahren zum Transport von Strom über ein vermaschtes Stromnetz Method for transporting electricity over a meshed power grid
02/27/2014DE102012214896A1 Batterie und Kraftfahrzeug Battery and motor vehicle
02/27/2014DE102012214879A1 Battery system for use in e.g. passenger car, has main circuit for supplying load, shunt and pyrotechnic fuse serially merged into main circuit, and select lines connected to fuse and input and output of shunt
02/26/2014EP2701257A2 Method for transporting power over a meshed power network
02/26/2014EP2701256A1 Devices and methods for overvoltage protection
02/26/2014EP2701254A1 Circuit interruption device
02/26/2014EP2700135A1 Circuit assembly for an alternating current contactor, motor protection relay and method for producing a power supply unit
02/26/2014CN203457096U Dust collector controller with harmonic wave suppression
02/26/2014CN203456930U 复合能源系统 Composite Energy Systems
02/26/2014CN203456864U Adaptive three-section protection device
02/26/2014CN203456863U IPM and overcurrent protection structure thereof
02/26/2014CN203456862U Household photovoltaic power accumulator protection circuit
02/26/2014CN203456861U Intelligent safety protection system for capacitor assembly device
02/26/2014CN203456860U IPM module protection circuit with adjustable current and air conditioner
02/26/2014CN203456859U Short-circuit protection circuit
02/26/2014CN203456858U Overload protection device for cooling mixer
02/26/2014CN203456857U Permanent magnet gas wheel generator excitation loop with function of preventing non-excitation operation
02/26/2014CN203456856U Magnetic blow-out switch for ABB excitation system
02/26/2014CN203456855U Generator excitation controller
02/26/2014CN203456854U Safety loop
02/26/2014CN203456853U DC arc detection and protection circuit for photovoltaic power generation system
02/26/2014CN203456852U Fee-control intelligent ammeter tripping loop protection circuit
02/26/2014CN203456835U Overhead power transmission line
02/26/2014CN203455415U Voltage open phase monitoring and alarm device
02/26/2014CN203449968U Electric steel feed line protection measuring/controlling device
02/26/2014CN103608993A Drive chain comprising a doubly-fed electric machine and an inverter controlled according to a law limiting the delivered active power
02/26/2014CN103607125A IGBT rectification circuit and IGBT rectification circuit control method
02/26/2014CN103607102A IGBT (Insulated Gate Bipolar Transistor) module and control method thereof
02/26/2014CN103607022A Solar energy charging power supply with largest power tracking function
02/26/2014CN103607021A Portable solar mobile power source with MPPT function
02/26/2014CN103606963A Distributed photovoltaic power station/380V user distributor box grid-integration structure
02/26/2014CN103606962A Distributed photovoltaic power station/380V power grid overhead network grid-integration structure
02/26/2014CN103606961A Distributed photovoltaic power station/transformer substation 10kV bus grid-integration structure
02/26/2014CN103606960A Distributed photovoltaic power station/power distribution station 380V bus grid-integration structure
02/26/2014CN103606910A Wide area information based fault self-healing method for dead zone of feeder outlet of distribution network
02/26/2014CN103606909A Protecting system and method for power distribution network circuit
02/26/2014CN103606908A A protection system applicable to an electrical network integrated circuit
02/26/2014CN103606907A An anti-islanding detection method
02/26/2014CN103606906A Series capacitor compensation power transmission line distance protection method
02/26/2014CN103606905A Accident emergency handling method for switch cabinet
02/26/2014CN103606904A Device and method for restraining ferromagnetic resonance of extra-high voltage non-load busbar
02/26/2014CN103606903A Bus differential motion protection locking device and method for realizing bus differential motion protection locking by utilizing bus differential motion protection locking device
02/26/2014CN103606902A Anti-tripping circuit combining breaker and relay protection
02/26/2014CN103606901A Electrostatic protection device, intelligent power module and frequency conversion household appliance
02/26/2014CN103606900A Lithium battery charging protection circuit
02/26/2014CN103606899A Battery protection circuit with electrical core balance function and battery system
02/26/2014CN103606898A Overvoltage protection device of converter of wind turbine generator set and converter
02/26/2014CN103606897A Uninterruptible power supply over-current protection circuit
02/26/2014CN103606896A An over-current protective device used for a low-dropout linear voltage regulator
02/26/2014CN103606895A Overvoltage turn-off protection circuit
02/26/2014CN103606894A Switching regulator with negative current limit protection
02/26/2014CN103606893A Motor control circuit
02/26/2014CN103606892A Motor control circuit
02/26/2014CN103606891A Motor thermal overload protection method
02/26/2014CN103606890A Relay protection method fast removing transformer dead zone fault
02/26/2014CN103606889A Secondary side overcurrent protection circuit of electric arc furnace transformer
02/26/2014CN103606888A Reactive power compensation equipment circuit protecting method and device
02/26/2014CN103606887A Electronic rapid resonance elimination device installed at neutral point
02/26/2014CN103606882A Novel 750kilovolt breaker energy storage motor control loop
02/26/2014CN102593798B Comprehensive relay protection method applied to intelligent switch
02/26/2014CN102570427B Computed tomography (CT) line breaking processing method applicable to wide area protection
02/26/2014CN102545746B Novel speed regulator for automotive air conditioner fan and working method thereof
02/26/2014CN102176797B Merged illumination and emergent light-emitting diode (LED) fluorescent lamp
02/26/2014CN102118021B Transmission line three-dimensional panoramic model-based fault processing method and system
02/26/2014CN101783503B Overvoltage protection circuit
02/25/2014US8659920 Switching device provided with a flowing restriction element
02/25/2014US8659865 System and method for protection of electrical appliances
02/25/2014US8659253 Electric power steering device
02/22/2014CA2801093A1 Secondary battery pack formed by bridge connection of two secondary battery cells and two fuses
02/20/2014WO2014028008A1 Voltage spikes control for power converters
02/20/2014WO2014027951A1 Control system for overspeed reduction in water power plants
02/20/2014WO2013113051A3 Method and apparatus for monitoring the short-circuiting switching device of a three-phase motor
02/20/2014WO2012172486A9 Alternator with voltage regulation
02/20/2014US20140049995 Diagnostics for multi-level medium voltage drive using mechanical bypass
02/20/2014US20140049859 Alternative Power Converter System
02/20/2014DE10143475B4 Motorensteuerungsvorrichtung The engine control apparatus
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