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)
01/2010
01/21/2010US20100013302 Motor Vehicle Battery Disconnect Circuit Having Electronic Disconnects
01/21/2010DE102008053074A1 Schnellschalteinrichtung für eine Hochleistungs-Batterie in einem Gleichstrominselnetz Fast-switching device for a high-performance battery in a direct current island network
01/21/2010DE102008040533A1 Battery pack for e.g. wireless power tool, has identification unit provided with connecting contacts for device for supplying electrical energy to identification unit, and transmitting digital data stream after receiving trigger signal
01/21/2010DE102008032746A1 Steckdoseneinheit und Tastschaltereinheit The power strip and Tastschaltereinheit
01/21/2010DE102008024068B3 Laserschutzeinrichtung mit einem Laserschutzfenster Laser protection device with a laser protection window
01/20/2010EP2145369A1 Zero sequence current generator
01/20/2010EP2145368A2 Circuit arrangement comprising at least two capacitors that are connected in series
01/20/2010EP2145367A1 Method for determining an adjustment value indicating a ground impedance and measurement device
01/20/2010EP1917705B1 By-pass device of an electrical component
01/20/2010EP1310031B1 Instant tripping device for short circuits in electrical dc and ac networks of surface and underwater vessels, especially combat vessels, and offshore installations
01/20/2010CN201388160Y 直流电源 DC power supply
01/20/2010CN201388158Y Flyback power supply for semiconductor refrigeration with short-circuit protection
01/20/2010CN201388153Y Regulated power supply of gas water heater
01/20/2010CN201388121Y Motor used for fan-coil unit
01/20/2010CN201388077Y Wireless charging control chip
01/20/2010CN201388049Y Current protection device of preamplifier
01/20/2010CN201388048Y Overload wireless alarming device of electric motor
01/20/2010CN201388047Y Electromotor over-temperature protection device for mining electric locomotive
01/20/2010CN201388046Y Automatic temperature protection device of drive motor of electric vehicle
01/20/2010CN201388045Y Overload protection device of electric-motor
01/20/2010CN201388044Y Motor phase sequence protector
01/20/2010CN101630836A Correcting method of running mode of bus protection branch in double-bus connecting wire
01/20/2010CN101630835A Bus-coupled or segmented charge protection method
01/20/2010CN101630834A Single power transistor battery charging circuit using boosting timeclock
01/20/2010CN101630833A Interturn protection method of high-voltage shunt reactor based on parameter unbalance detection
01/20/2010CN101630832A Method for judging single-phase earth fault of controllable high-voltage shunt reactor
01/20/2010CN100583591C Decision method of longitudinal jointing protection in power system high tension power line
01/20/2010CN100583590C Integrated failure positioning protection system for transfer line
01/20/2010CN100583589C Failure component based symmetrical component distance relay
01/20/2010CN100583588C Circuit arrangement for rapidly switching off low-voltage power switch
01/20/2010CN100583587C High-voltage battery system, connection method of the battery system with vechile system, high voltage cable assembly
01/20/2010CN100583586C Unbalanced protection method and device for high-voltage serial connection compensation capacitor group
01/20/2010CN100583585C Method and arrangement for monitoring a power output stage
01/19/2010US7649757 Leakage-inductance energy recycling circuit and flyback converter with leakage-inductance energy recycling circuit
01/19/2010US7649726 Protection circuit for general-purpose digital I/O lines
01/19/2010US7649725 Power limiting circuit
01/19/2010US7649721 Fault current limiting
01/19/2010US7649720 Quench protection of HTS superconducting magnets
01/19/2010US7647783 Compressor diagnostic system
01/14/2010WO2010003835A2 High-speed circuit breaker for a high-performance battery in an isolated direct current network
01/14/2010WO2010003282A1 Fast power swing unblocking method and apparatus for distance protection in power system
01/14/2010US20100008106 Switching control circuit, semiconductor device and switching power source apparatus
01/14/2010US20100007999 Step-up switching regulator
01/14/2010US20100007998 Apparatus, system, and method for detecting a power system component failure
01/14/2010US20100007295 Over-torque control circuit for bldc motors
01/14/2010US20100005590 Actuator system
01/13/2010EP2144345A1 Power supply system for a three-phase motor with permanent magnets
01/13/2010EP2143185A1 Method and device for capturing a fault in an electrical supply grid
01/13/2010EP2143184A1 Method for the selective triggering of power breakers
01/13/2010CN201383784Y Motor driver
01/13/2010CN201383778Y Intelligent type motor control cabinet
01/13/2010CN201383756Y Double-frequency control device of switch power supply
01/13/2010CN201383755Y Multi-frequency control device of switch power supply
01/13/2010CN201383675Y Protective circuit for proximity switch
01/13/2010CN201383674Y Overcurrent protection mechanism inset in battery pack
01/13/2010CN201383673Y Power supply over-current protection circuit of vehicle-mounted inverter
01/13/2010CN201383672Y High accuracy and high speed multilevel output armature current feedback circuit
01/13/2010CN201383671Y Neutral point grounding protective device of transformer
01/13/2010CN201383668Y Over-current protection circuit and motor controller applied to same
01/13/2010CN101626153A Battery protection circuit and protection method thereof
01/13/2010CN101626152A Battery protective circuit and battery protective method
01/13/2010CN101626151A Power supply system for a three-phase motor with permanent magnets
01/13/2010CN100581035C Current energy-taking once loop for thyristor valve of controllable series compensator
01/13/2010CN100581020C Method for realizing line high-resistance fast trip using zero-sequence loop fuction
01/13/2010CN100581019C Remote short circuit failure detection method for low voltage power grid and sensitivity protection module
01/13/2010CN100580470C Phase amount and zero sequence amount combined realization powerline both-end distance measuring method
01/13/2010CN100579816C Thyristor controlling series transformer type electrified railway dragging net pressure-regulating apparatus
01/12/2010US7646574 Voltage regulator
01/12/2010US7646571 Circuit for effective quench heating in superconducting magnets
01/12/2010CA2297839C In situ short-circuit protection system and method for high-energy electrochemical cells
01/07/2010US20100002342 Stand-Alone Pump Shut-Off Controller
01/07/2010US20100001676 Drive Device for at Least One Electric Motor and Drive Control Unit Interacting with the Drive Device
01/07/2010US20100001672 Generator motor for vehicle and control method for the same
01/07/2010US20100001669 Error recognition by evaluation of parameters of the field oriented regulation
01/07/2010DE19923360B4 Spannungswandler mit einem Potentialtrennungsschutz Voltage converter with a galvanic isolation protection
01/07/2010DE102008031270A1 Steuergerät zur Absicherung eines Ausfalls einer Schaltvorrichtung bei Spannungswandlern in Kraftfahrzeugen Control device for securing a failure of a switching device for voltage converters in motor vehicles
01/07/2010DE102008030987A1 Verfahren zum selektiven Auslösen von Leistungsschaltern im Falle eines Kurzschlusses Method for selective circuit breaker tripping in the event of a short circuit
01/07/2010DE102008022744B4 Schaltungsanordnung und System zum Einsatz in einem Kraftfahrzeug A circuit arrangement and system for use in a motor vehicle
01/07/2010DE102005006100B4 Sicherheitsschaltung und Verfahren zur Absicherung einer elektronischen Schaltungsanordnung vor Beschädigung bei Verpolung einer angeschlossenen Energieversorgungseinheit Safety circuit and method for securing electronic circuitry from damage due to reverse polarity of a connected power supply unit
01/06/2010EP2141788A2 Optimizing converter protection for wind turbine generators
01/06/2010EP2141780A1 Phase control switch and switching pole control method in phase control switch
01/06/2010EP2140319A2 Method for adjusting a domotic installation and tool for implementing same
01/06/2010EP1310033B1 Circuit arrangement for protecting a battery from exhaustive discharge
01/06/2010CN201378732Y Inrush current protecting circuit and motor employing same
01/06/2010CN201378730Y Power circuit breaker protective circuit
01/06/2010CN201378729Y Motor protection device
01/06/2010CN201378728Y Lightning proof-grounding integrated protection system
01/06/2010CN201378727Y Primary broken circuit protecting device of marine transformer
01/06/2010CN100578912C Ground detection device for motor driving circuit
01/06/2010CN100578908C Non-contact control circuit for bidirectional water spraying pump
01/05/2010US7643318 Dual voltage wye-connected H-bridge converter topology for powering a high-speed electric motor
01/05/2010US7643265 Gas-filled surge arrester, activating compound, ignition stripes and method therefore
12/2009
12/31/2009US20090323377 Optimal utilization of power converters for engine start system
12/31/2009US20090323243 Voltage triggered transient blocking unit
12/31/2009US20090323231 Semiconductor device
12/31/2009US20090320372 Safety device for an actuating system for roller shutters or sliding barriers
12/31/2009DE102008029491A1 Protective device for interruption of current in current carrying lines in photovoltaic system, utilized for generating e.g. direct current, has interruption unit interrupting current carrying lines before region of current converter inlet
12/31/2009DE102008014129B4 Schutzvorrichtung für Solarpanels Protection device for solar panels
12/31/2009DE102008002724A1 Verfahren zur Erkennung des Drehwinkels und einer Reversierposition einer Getriebe-Antriebseinheit Method for detecting the angle of rotation and a reversing position one gear drive unit
12/31/2009DE10146091B4 Überlastsicherung für Elektromotoren und Verfahren zur Überlastsicherung von Elektromotoren Overload protection for electric motors and method for the overload protection of electric motors,