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)
03/2007
03/07/2007EP1413041A4 Electronic control systems and methods
03/07/2007EP1356568B1 Electrical system for a ship
03/07/2007CN2877138Y DC brushless electric machine controller
03/07/2007CN2877116Y Electric machine float type mechanical protection mounting seat
03/07/2007CN2877107Y Lithium battery charging managing circuit
03/07/2007CN2877103Y Automatic cutting device
03/07/2007CN1926741A Protective apparatus for electric appliances branch
03/07/2007CN1926740A Overload release
03/07/2007CN1303749C Power switching means
03/06/2007US7187531 Transient suppressor and power converter employing the same
03/06/2007US7187528 Selective potting for controlled failure and electronic devices employing the same
03/06/2007US7187158 Process device with switching power supply
03/06/2007US7187157 Power supply remote voltage sensing
03/01/2007WO2007025257A2 A relay-to-relay direct communication system and method in a electric power system
03/01/2007WO2005104366A3 Capacitor start-up apparatus and method with fail-safe short circuit protection
03/01/2007US20070047274 Power supplying apparatus and power supplying method
03/01/2007US20070047160 Reprogrammable switch using phase change material
03/01/2007US20070046266 Excitation controlled synchronous permanent magnet machine
03/01/2007US20070046265 Vehicle-use generator
03/01/2007DE19643709B4 Vorrichtung zum Behandeln eines Werkstückes in einer Gasentladung An apparatus for treating a workpiece in a gas discharge
03/01/2007DE10307999B4 Antriebssteuereinrichtung für einen selbstgeführten Stromrichter Drive control device for a self-commutated converter
03/01/2007DE102006039303A1 Fault detecting device for load driver system has load condition anomaly detection mechanism to determine anomaly in load driver system according to terminal voltage on at least one load terminal
03/01/2007DE102005040543A1 Stromrichterschaltung mit verteilten Energiespeichern Converter circuit with distributed energy stores
03/01/2007DE102004046394B4 Steckbare Überspannungsschutz-Anordnung Plug-in surge protection device
02/2007
02/28/2007EP1758226A1 Battery pack protecting circuit and battery pack
02/28/2007EP1758224A1 Device for associating a command signal to a direction of rotation of an electric motor for a movable barrier
02/28/2007EP1758223A2 Motor control apparatus
02/28/2007EP1758222A2 Electrical protection of a generator controller
02/28/2007EP1756926A1 Method for error handling in a converter circuit for wiring of three voltage levels
02/28/2007EP1755431A1 Central vacuum cleaning system control subsystems
02/28/2007EP1645020B1 Device and method for protecting an electric machine
02/28/2007CN2874891Y High efficiency intelligent timing charger
02/28/2007CN2874883Y Heat protector
02/28/2007CN2874755Y Three phase motor heat protector
02/28/2007CN2874754Y Composite overflow and overheat protector
02/28/2007CN2874215Y Zinc air cell mining lamp with life saving generator
02/28/2007CN1922453A Refrigerating unit
02/28/2007CN1921258A Adjustable large power lithium ion vehicle emergency starting power
02/28/2007CN1921255A Small-sized triphase motor protection switch
02/28/2007CN1302595C Controller for electricity recharge/discharge
02/27/2007US7184287 Rectifier clamping circuit with reverse energy recovery
02/27/2007US7184249 Electric motor circuit with overload protection
02/27/2007US7183835 Semiconductor device which realizes a short-circuit protection function without shunt resistor, and semiconductor device module
02/27/2007US7183750 Vehicle power-generation control unit and vehicle power-generation control system
02/27/2007US7183749 Vehicle generator control system
02/27/2007US7183668 Generator with current and voltage abnormality detection
02/22/2007WO2007020419A1 Motor drive circuit
02/22/2007WO2007020167A1 Cooking appliance
02/22/2007WO2005089257A3 Engine driven power inverter system with cogeneration
02/22/2007WO2005059936A3 Electrical, transmission/substation/distribution shunt capacitor switching and control system with integrated, automatically resettable, overcurrent protection
02/22/2007US20070041228 Control system and method with constant maximum current for power converter protection
02/22/2007DE102006027293A1 Control system for window regulator for motor vehicle, uses two different types of sensors to detect adjustment positions of two window regulators
02/22/2007DE102005029867B3 Schutzschaltung in einer Einrichtung zur Einkopplung von Fernspeisespannungen Protection circuit in a device for coupling remote supply voltages
02/21/2007EP1754302A2 Apparatus and method for minimizing power loss associated with dead time
02/21/2007EP1754296A1 Electronic element adapted to an electric circuit arrangement
02/21/2007CN2871306Y Contact flash with short-circuit protection
02/21/2007CN1918707A Circuit arrangement and method for protecting an integrated semiconductor circuit
02/21/2007CN1917360A Motor controller and control method thereof, and error detecting apparatus of inverter
02/21/2007CN1917323A Method for raising measuring precision of microcomputer protective relay device
02/21/2007CN1917322A System and method for protecting and controlling power converter with constant maximum current
02/21/2007CN1917321A Thermal protection circuit, power transmission integration circuit and power transmission method
02/21/2007CN1916805A Energy saving equipment for machine for returning bittern in salt field
02/21/2007CN1301580C Protector for three phase windings devided ignition motor
02/20/2007US7180759 Push-pull inverter with snubber energy recovery
02/20/2007US7180758 Class E amplifier with inductive clamp
02/20/2007US7180757 Sequential soft-start circuit for multiple circuit channels
02/20/2007US7180729 Arrangement for controlling and monitoring a switchgear assembly
02/20/2007US7180723 Multilayer capacitor
02/20/2007US7180717 Electrical network protection system
02/20/2007US7180396 Superconducting current limiting device with magnetic field assisted quenching
02/20/2007US7180277 Capacitor start-up apparatus and method with fail safe short circuit protection
02/20/2007US7180272 Malfunction detecting apparatus for on-vehicle charging system
02/15/2007WO2006093600A3 Trench capacitor power supply system and method
02/15/2007US20070038396 Parameter estimation for and use of a thermal model of a power line
02/15/2007US20070035976 Method and arrangement for monitoring a power output stage
02/15/2007US20070035902 Protective relay capable of protection applications without protection settings
02/15/2007US20070035897 Motor protection inhibit circuit
02/15/2007US20070035895 Adaptive current limiter for wireless modem
02/15/2007US20070035366 Method and circuit arrangement for rapidly switching off low-voltage circuit breakers
02/15/2007US20070035264 Control and monitoring arrangements for an aperture closure member
02/15/2007DE102006032338A1 Motorsteuerung Motor control
02/15/2007DE102005038225A1 Verfahren und Vorrichtung für eine Überlastdetektion bei Handwerkzeugen Method and apparatus for detecting an overload for hand tools
02/14/2007EP1753108A2 Method and apparatus for sensing brushless DC motor average current from overcurrent protection circuitry
02/14/2007EP1752660A1 Wind turbine over-voltage protection
02/14/2007EP1751562A1 A method of monitoring line faults in a medium voltage network
02/14/2007CN2870263Y Thunder-resistant over-voltage domestic electric appliance protector
02/14/2007CN2870262Y High-pressure high-power safety grid of constant power output
02/14/2007CN2870261Y Machine tool intelligent relay with control and protection function
02/14/2007CN2870260Y Coal electric-drill comprehensive protection full-control apparatus
02/14/2007CN2870259Y Microcomputer oil-pump monitoring protector
02/14/2007CN2870258Y Motor protector
02/14/2007CN2869878Y Microcomputer small-current earthing line-selection apparatus
02/14/2007CN1914778A Thermal overload protection
02/14/2007CN1913339A PLC silicon-controlled static exciting system of synchronous generater
02/14/2007CN1913338A Microcomputer silicon-controlled static exciting system
02/14/2007CN1913337A PLC silicon-controlled static exciting control system
02/14/2007CN1913275A Energy position tandem protection method and device for extra-high voltage transmission line
02/14/2007CN1913274A Protection system for an electrical power generator
02/14/2007CN1913265A Controller of integral fire pumps stabilized pump
02/14/2007CN1300907C Quick differential protective discrimination for critical blocking surge parameter and adaptation of parameter