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)
10/2007
10/04/2007US20070229011 Circuit Arrangement and Method for Adjusting the Power Consumption of a Load That Can be Operated by a Direct-Voltage System
10/04/2007DE102006011713A1 Elektrische Auslöseeinheit für einen Motorschutzschalter eines Elektromotors Tripping unit for a motor-protective circuit of an electric motor
10/04/2007DE102006008927A1 Energy supply control unit for bicycle, has rectifier bridges that control switching relay, supply rechargeable battery and lamp with energy and operates and charges other rechargeable battery of external electronic devices e.g. camera
10/03/2007EP1602115A4 Method and system for sensing switch position to prevent inadvertent startup of a motor
10/03/2007CN200956521Y Wind and/or solar power inter-supplement controller
10/03/2007CN200956099Y Energy-saving controller for pumping unit
10/03/2007CN101047356A Overcurrent detection circuit for electric machine driver
10/03/2007CN101047321A Lithium battery pack
10/03/2007CN101047319A Uninterruptible power supply apparatus
10/03/2007CN101047314A Equi-transmission instantaneous value differential protection method of microcomputer protection for remote transmission line
10/03/2007CN101047313A Overvoltage protection control circuits and overvoltage protection control methods
10/03/2007CN101047312A Battery protection module and battery protection system
10/03/2007CN101047311A Protector for vehicle electric seat
10/03/2007CN101047310A Overheat protection circuit and system circuit board
10/03/2007CN100341366C Identifier of portable terminal cell port and its method
10/03/2007CN100341221C Harmonic overload protecting method for reactor
10/02/2007US7277264 Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same
10/02/2007US7276974 Method and apparatus for protecting RF power amplifiers
10/02/2007US7276890 Precision bandgap circuit using high temperature coefficient diffusion resistor in a CMOS process
10/02/2007US7276882 Regulator control circuit and method
10/02/2007US7276881 Protection method, control circuit, and battery unit
10/02/2007US7276878 Amperage control for protection of battery over current in power tools
10/02/2007US7276871 System and method for fault protection for permanent magnet machines
10/02/2007US7276870 Arrangement for overload protection and method for reducing the current consumption in the event of mains voltage fluctuations
10/02/2007US7276817 Output voltage control apparatus for vehicular AC generator
10/02/2007US7275380 Thermal management system and method
09/2007
09/27/2007WO2007109271A2 High side reset logic for gate driver
09/27/2007WO2007107872A2 Universal monitoring and diagnostic control system for a transformer or tap- changer
09/27/2007WO2007081789A3 Miniature electric power generator system and method for controlling a miniature electric power generator
09/27/2007US20070223262 Multiple inverter system with single controller and related operating method
09/27/2007US20070223261 Power conversion circuit control apparatus
09/27/2007US20070223260 Power supply device with inrush current control circuit
09/27/2007US20070223259 Apparatus and Method for Monitoring Load Driving Circuit for Abnormality
09/27/2007US20070223164 Overcurrent Detection Circuit and Power Supply Apparatus Provided Therewith
09/27/2007US20070223154 High side reset logic for gate driver
09/27/2007US20070223153 Portable electronic devices
09/27/2007US20070223152 Portable device
09/27/2007US20070222504 System and method for minimizing DC offset in outputs of audio power amplifiers
09/27/2007DE102006012819A1 Verfahren und Vorrichtung einer Zweidraht-Duplex-Informationsübertragung für einen Richtungsvergleichsabfrageschutz Method and apparatus of a two-wire duplex data transmission for a directional comparison protection query
09/27/2007CA2645868A1 Universal monitoring and diagnostic control system for a transformer or tap-changer
09/26/2007EP1836711A1 Superconducting power cable capable of quench detection and quench detection system using the same
09/26/2007EP1711308B1 Method for switching off an electric machine tool when blocked, and an electric machine tool
09/26/2007EP1311866B1 Current compensation method and device for power system protection
09/26/2007CN200953541Y H bridge control system
09/26/2007CN200953537Y Pulse width speed regulating paper crusher
09/26/2007CN200953470Y Small current grounding wire selecting device for neutral point non-effective ground connection system
09/26/2007CN200953469Y Electric protector for vehicular equipment
09/26/2007CN200953468Y Automatic open-phase protector
09/26/2007CN200953467Y Motor protection instrument
09/26/2007CN200953466Y Thermal protection circuit for brushless DC electric machine
09/26/2007CN200953465Y Electric welding transformer protecting device
09/26/2007CN200953463Y Under-voltage protective circuit for high-voltage vacuum switch
09/26/2007CN200953459Y Solid tube safety unit
09/26/2007CN200953458Y Solid tube safety unit
09/26/2007CN200953457Y Solid tube safety unit
09/26/2007CN200953456Y Integrated block safety unit
09/26/2007CN101044663A Device for the safe isolation of a nuclear power plant from a supply mains during a mains failure
09/26/2007CN101043139A Method for realizing line high-resistance fast trip using zero-sequence loop fuction
09/26/2007CN101043138A Protection circuit for semiconductor element
09/26/2007CN101043137A Converter drive circuit having disconnection inducing function and its disconnection inducing method
09/26/2007CN101043136A Circle-by-circle current protective circuit of switch electrical source
09/26/2007CN100340044C Automobile electricity-connecting conductor device capable of making automatic detection and switching power polarity
09/26/2007CN100340042C Over-voltage protection device of DC motor
09/26/2007CN100339630C Solenoid valve protection circuit
09/25/2007US7274547 Electrical power supply system and a permanent magnet generator for such a system
09/20/2007WO2007104733A2 Electronic tripping unit for a motor-circuit breaker of an electric motor
09/20/2007WO2007104598A1 Protective device and method for monitoring the appliance temperature of an appliance
09/20/2007WO2007085727A3 Device for automatically earthing the neutral of an electrical appliance
09/20/2007US20070217105 Electric Power Network
09/20/2007US20070217097 Fault Current Limiter Having Superconducting Bypass Reactor For Simultaneous Quenching
09/20/2007US20070217096 Integrated circuit device
09/20/2007US20070217095 Switching mode power supply
09/20/2007US20070217094 Switching regulator
09/20/2007US20070217093 Multiple voltage ballast
09/20/2007US20070214722 Method and Circuit Arrangement for the Electrical Control and/or Regulation of the Movement of an Electrically Driven Unit
09/20/2007DE102007007262A1 Leistungselektronik-Anlage Power electronics system
09/20/2007DE102006012215A1 Transversalflussmaschine und Turbomaschine mit derartiger Transversalflussmaschie Transverse flux and turbomachinery such Transversalflussmaschie
09/20/2007DE102006010993A1 Auto-select circuit for use in switching power supply of e.g. notebook, has evaluation unit connected with circuit points, where switch is controlled based on output of evaluation unit
09/20/2007CA2644023A1 Transverse flux machine and turbine-type machine having such a transverse flux machine
09/19/2007EP1177616B1 Electronically commutable motor, in particular, for a liquid pump
09/19/2007CN200950537Y Protective circuit
09/19/2007CN200950536Y Intelligent controller for motor
09/19/2007CN200950535Y Electronic transformer having alarm and protection function with display
09/19/2007CN200948300Y Negative ion instrument for expelling toxin and preserving health
09/19/2007CN101040415A 保护电路 Protection circuit
09/19/2007CN101039037A 充电管理芯片 Charge Management IC
09/19/2007CN101039028A Electric potential compensation process for reducing neutral point direct current of high-voltage grid transformer
09/19/2007CN101039026A Protective circuit for battery
09/19/2007CN100338472C Zero sequence direction measurement method with zero sequence voltage compensation
09/18/2007US7271990 Smart solid state relay
09/18/2007US7271559 Method and switching apparatus for recording the current in an electrical device
09/18/2007CA2359322C Electric utility system with superconducting magnetic energy storage
09/13/2007WO2007101783A1 Switchgear with a plurality of outgoing feeders and method for interrupting an overcurrent
09/13/2007WO2007060575A3 Temperature compensated charging control device for electronic equipment
09/13/2007US20070211396 Ground fault detection device for motor driving circuit
09/13/2007US20070211395 Protection device
09/13/2007US20070211394 IC power protection circuit
09/13/2007US20070210893 Overheat Protection Device and Electrical System Having Same
09/13/2007US20070210763 Power-generator control method and apparatus using externally applied periodic signal
09/13/2007US20070210736 Power supply apparatus