Patents
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)
01/2009
01/01/2009US20090002904 Peripheral module and peripheral system for an automation system
01/01/2009US20090002902 Superconducting Magnetic Coil with a Quench Protection Circuit, and Mrt Apparatus Embodying Same
01/01/2009US20090002901 Power protection apparatus and electronic control unit
01/01/2009US20090001915 Method and apparatus for active voltage control of electric motors
12/2008
12/31/2008WO2009001844A1 Battery pack
12/31/2008WO2009001843A1 Battery pack
12/31/2008WO2009000989A2 Method for controlling a rotary electric machine in case of load shedding and corresponding power control module
12/31/2008WO2009000823A1 Method and device for detecting a jam
12/31/2008WO2009000690A1 A washer/dryer
12/31/2008WO2008073277A3 Method and system for video surveillance system motor overcurrent protection
12/31/2008WO2008021440B1 Buck converter fault detection method
12/31/2008WO2008021440A4 Buck converter fault detection method
12/31/2008EP2009794A1 Cutoff relay and method for operating a cutoff relay
12/31/2008EP2009791A1 Power protection apparatus and electronic control unit
12/31/2008EP2009758A1 Method and system of syntonic circuit modulation controlling
12/31/2008EP2008350A1 Device for operating an electric motor
12/31/2008CN201174693Y Wideband low-loss phase splitter having lightning protection function
12/31/2008CN201174622Y Micro-computer type protection measurement apparatus
12/31/2008CN201174604Y Charging and discharging control apparatus
12/31/2008CN201174603Y Solar inverter
12/31/2008CN201174586Y Inverse inserting-preventing circuit
12/31/2008CN201174585Y Remote control protector of diving pump motor
12/31/2008CN201174584Y High temperature burn down protection component of large power motor
12/31/2008CN201174583Y Electric motor protector
12/31/2008CN201174582Y Motor protection controller and transducer
12/31/2008CN201174581Y Motor protector
12/31/2008CN201174580Y Monitoring circuit of converter transformer cooling system
12/31/2008CN201174579Y Terminal protector for transformer
12/31/2008CN201174406Y Mini battery charger
12/31/2008CN101335493A H bridge driving device of automobile electric boosting steering motor
12/31/2008CN101335450A Adaptive regulating method for preventing overload mis-operation by distance protection
12/31/2008CN101335449A Power protection apparatus and electronic control unit
12/31/2008CN101333919A Energy-saving oil pumping machine
12/31/2008CN100448132C Integrated protection system based on electric current principle
12/30/2008US7471495 Vacuum circuit breaker having a high current-carrying capacity
12/30/2008US7471069 Voltage generator device, motor vehicle, control method for the voltage generator device, control method for the motor vehicle, and computer-readable recording medium storing program for causing computer to execute the control method
12/30/2008US7471007 Method for operating a wind power plant and method for operating it
12/30/2008US7471002 Voltage controller of alternator for vehicle
12/25/2008US20080316777 Method for thermal protection of frequency converter and a frequency converter
12/25/2008US20080316658 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof
12/25/2008US20080315909 Method of detecting a malfunction of an encoder for a vehicle drive system
12/25/2008US20080315811 System and Method for Collecting Characteristic Information of a Motor, Neural Network and Method for Estimating Regions of Motor Operation from Information Characterizing the Motor, and System and Method for Controlling Motor
12/25/2008US20080315808 Motor drive device with lock protection function
12/24/2008WO2008155630A1 Power storage unitand vehicle having power storage unit
12/24/2008WO2007128763A3 Power supply system and method
12/24/2008EP2006972A1 Power storage system
12/24/2008EP2006971A1 Electric power storing apparatus
12/24/2008DE19918907B4 Schaltvorrichtung Switching device
12/24/2008DE102008001748A1 System und Verfahren zum Erkennen eines festgebremsten Motors System and method for detecting a stalled engine
12/24/2008CN201171186Y Switch power supply type electric screwdriver power supply
12/24/2008CN201171159Y Solar battery with asymmetry battery set
12/24/2008CN201171157Y Device for protection of circuit short-circuit and electronic device containing the same
12/24/2008CN201171153Y DC protection test control apparatus
12/24/2008CN101330779A Electric control device for modularization high-power electromagnetic range and control method
12/24/2008CN101330266A 负载驱动控制电路 A load drive control circuit
12/24/2008CN101330265A Soft starter for motor
12/24/2008CN101330264A Soft starter for middle-high voltage solid motor
12/24/2008CN101330263A Conventional soft starter for motor
12/24/2008CN101330251A Protection for permanent magnet motor control circuits
12/24/2008CN101330224A Uninterruptible power supply
12/24/2008CN101330207A Method for automatically recognizing power pool multi-area dynamic operation method
12/24/2008CN101330206A Method for measuring distance of transmission line fault
12/24/2008CN101330205A Method for controlling section power based on tidal current pursuit and train rescheduling
12/24/2008CN101330204A Lightning arrester for television reception apparatus
12/24/2008CN101330203A Current deep constant-current output driving circuit with load short circuit protection function
12/24/2008CN100446375C AC motor thermal overload protection method
12/23/2008US7468897 Rectifier without active switches
12/23/2008US7468877 Overcurrent detection circuit and power supply apparatus provided therewith
12/18/2008WO2008153576A1 Mems based motor starter with motor failure detection
12/18/2008WO2008153530A1 Remote-operable micro-electromechanical system based over-current protection apparatus
12/18/2008US20080310967 Intelligent air moving apparatus
12/18/2008US20080310199 Power supply protection apparatus and related method
12/18/2008US20080310198 Apparatus and method for suppressing the input current inrush for a voltage converter in a pre-charge stage
12/18/2008US20080310062 Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution
12/18/2008US20080310057 Mems based motor starter with motor failure detection
12/18/2008DE10224174B4 Stromunterbrechungsschaltung für Speichervorrichtungen und eine dafür vorgesehene Abnormalitätsdetektionsschaltung Power interrupting circuit for memory devices and a dedicated abnormality detection
12/17/2008EP2003461A1 Method for detecting the loss of one or more phases in a permanent-magnet synchronous electric motor
12/17/2008EP1456929A4 A control circuit
12/17/2008CN201167231Y Detection proctive circuit for electromagentic furnace power transistor
12/17/2008CN201167230Y Intelligence control protecting equipment for dragging facility of oil-pumping machine
12/17/2008CN101326695A A tool for generating fault response tolerances for a switching device
12/17/2008CN101325389A Fan system and detecting device thereof
12/17/2008CN101325334A Microcomputer type electric power engineering DC power supply cabinet
12/17/2008CN101325332A Method for implementing element for measuring earthing distance without relevance to load current and ground resistance
12/17/2008CN101325331A Method for implementing element for measuring distance between phases without relevance to load current and ground resistance
12/17/2008CN101325330A Method for implementing earthing distance measurement element
12/17/2008CN101325329A Method for implementing earthing distance measurement element based on negative sequence fault current component
12/17/2008CN101325326A Method and apparatus for control of an electric power system in response to circuit abnormalities
12/17/2008CN100444493C Adaptive earthing distance relay
12/17/2008CN100444492C Microcomputer protector of current mutual inductor
12/17/2008CN100444491C Novel lightning protecting device used for display device
12/16/2008US7466527 Electrostatic discharge protection circuit
12/16/2008US7466107 System and method for electric current and power monitoring and control of a generator
12/16/2008US7465610 Method for operating an H-bridge drive utilizing a pair of high and low side MOSFETS
12/11/2008US20080305367 Battery pack
12/11/2008US20080304303 Power converting device
12/11/2008US20080304298 System Interconnection Inverter
12/11/2008US20080304199 Software-implemented overcurrent protection embedded in a battery pack
12/11/2008US20080304190 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof
12/11/2008US20080304189 Protection for permanent magnet motor control circuits