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)
08/2010
08/31/2010US7787230 Spark gap protection device
08/31/2010US7787228 Switchgear control apparatus
08/26/2010WO2010095241A1 Power converter
08/26/2010WO2010094548A1 Electrical protection device and control method of the electrical protection device
08/26/2010WO2010026549A3 Power supply unit and method for controlling a power supply unit
08/26/2010WO2007018613A3 Apparatus for downhole power supply with shunt regulation
08/26/2010US20100214702 Over-current protection circuit and motor controller comprising the same
08/26/2010DE102010002102A1 Wechselrichtervorrichtung für Elektrofahrzeuge und Schutzverfahren dafür An inverter device for electric vehicles and protection method therefor
08/26/2010DE102009001125A1 Verfahren zum Betreiben einer einen Pulswechselrichter aufweisenden Drehfeldmaschine Method for operating an inverter having a pulse induction machine
08/26/2010CA2718620A1 Power conversion device
08/25/2010EP2221938A1 Battery pack and protection method thereof
08/25/2010EP2221934A1 Aerogenerator system
08/25/2010EP2220738A1 Drive system and associated control method
08/25/2010CN201563091U Double-friction driving device
08/25/2010CN201563084U Asynchronous motor soft-starting and in-situ compensation device
08/25/2010CN201563071U Uranium exploration intelligent power supply control device
08/25/2010CN201563070U DC adjustable voltage-stabilizing power source with silicon controlled rectifier over-current protection
08/25/2010CN201562992U Quick charger for battery pack of rechargeable electric tool
08/25/2010CN201562961U AC generator neutral point integrated cabinet
08/25/2010CN201562955U Small-current system grounding protection device with automatic reset function
08/25/2010CN201562954U Tubular motor controller
08/25/2010CN1780348B Power supply controlling method and system for telecommunication system
08/25/2010CN101816120A Arrangement for protecting inverters comprising an intermediate voltage circuit from a bridge short-circuit
08/25/2010CN101814826A Power supply module
08/25/2010CN101814764A Lithium battery power supply system special for direct current electric wrench
08/25/2010CN101814748A Mobile phone charger capable of carrying out automatic discharging/charging management and displaying battery capacity
08/25/2010CN101814731A Distribution network fault line selection method using non-power frequency transient state component
08/25/2010CN101814730A Fault phase selection method of double transmission line protection on the same pole
08/25/2010CN101814729A Busbar protection identification method for automatically identifying running mode of duplicate busbar device
08/25/2010CN101814728A Fault protection reset controlling system and method for large-power IGBT (Insulated Gate Bipolar Translator ) optical fiber driving circuit
08/25/2010CN101814727A Permanent magnet motor high rotating speed current limiting circuit
08/25/2010CN101814726A Battery discharge prevention circuit
08/25/2010CN101814725A Secondary battery
08/25/2010CN101814724A Battery pack and protection method thereof
08/25/2010CN101814723A Harmonic wave and overtemperature protecting device of capacitor
08/25/2010CN101814722A Method for protecting overheat of series reactor and overcurrent of capacitor
08/25/2010CN101814721A Direct current protection method with rectifying transformer alternating current protection in direct current power supply system
08/25/2010CN101814720A Electric vehicle inverter apparatus and protection method therefor
08/25/2010CN101814719A Safety protection system of electric locomotive
08/25/2010CN101814718A Microcomputer-based differential protection method of frequency-conversion and speed-regulation motor
08/25/2010CN101814717A Compressor protection method for air conditioner
08/25/2010CN101814716A Current signal detecting switch and valve control and fault protection device
08/25/2010CN101813739A Adaptive three-phase symmetric fault phase selecting method for ultra high voltage transmission line
08/25/2010CN101813283A Solar LED twinkle lamp
08/25/2010CN101409442B Rapid line backup protection method with reliable selection based on wide area measuring system
08/25/2010CN101282077B Power supply converter capable of protecting input low-voltage
08/25/2010CN101267031B Protection circuit board for secondary battery and secondary battery using the protection circuit board
08/25/2010CN101169999B AC electromagnetic coil with protection device
08/24/2010US7782643 Matrix converter apparatus
08/24/2010US7782638 Switching power supply device, semiconductor device, and control method
08/24/2010US7782002 Power converter
08/19/2010WO2010092452A1 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same
08/19/2010WO2010092074A1 Electric motor-driven closing system having pinch protection
08/19/2010US20100208395 Surge current protection circuit and motor using the same
08/19/2010US20100208392 Commutation type dc breaker
08/19/2010US20100207460 Apparatus and method for motor driven appliance energy conservation
08/19/2010DE102009060070A1 Schaltnetzteil mit wenigstens zwei in Serie geschalteten Kondensatoren Switching power supply with at least two series-connected capacitors
08/19/2010CA2751685A1 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same
08/18/2010EP2218619A1 Method for determining the operating temperature of a motor, particularly for actuating a functional element such as a parking brake driven by an electric motor in a vehicle, and for reversing the polarity of its motor current
08/18/2010CN201557307U solar controller
08/18/2010CN201557071U Restarting device of motor after pressure loss
08/18/2010CN201557040U Intelligent voltage and current double-closed-loop control system
08/18/2010CN201556998U Submersible motor with thermal protecting function
08/18/2010CN201556964U Off-grid small-sized wind power generation control inverter
08/18/2010CN201556939U Grounding resistance device of neutral point of AC generator
08/18/2010CN201556938U Grounding protection device of neutral point of AC generator
08/18/2010CN201556932U Protective circuit for output of voltage converter of electric vehicle
08/18/2010CN201556931U Protective device for high-power switch power supply
08/18/2010CN201556930U Three-phase alternating current default-phase mis-phase protecting device
08/18/2010CN201556929U Lead wire and grounding resistance comprehensive cabinet of neutral point of AC generator
08/18/2010CN201556928U Emergency stop equipment for transformer gear slip
08/18/2010CN201556506U Natural circulation air-cooling control module for large transformer
08/18/2010CN201555920U Input voltage detection device for high-low voltage switch cabinets and box-type substations
08/18/2010CN101809416A Method and device for identifying a reversing operation in an electric actuating unit of a vehicle
08/18/2010CN101808445A Intelligent electronic ballast
08/18/2010CN101807827A digital motor
08/18/2010CN101807813A Power supply
08/18/2010CN101807810A Generating power supply device
08/18/2010CN101807808A Intelligent charger of novel energy vehicle and control method thereof
08/18/2010CN101807801A charging controller
08/18/2010CN101807790A Battery protection circuit device
08/18/2010CN101807789A Out-of-step protection method for synchronous motor
08/18/2010CN101807497A Direct-current circuit breaker with selectivity
08/18/2010CN101806270A Control device of starting and generating integrated system used for small-sized internal-combustion engine
08/18/2010CN101291055B Method for precisely marking arriving time of initial wave of fault generated traveling waves for electricity transmission line
08/18/2010CN101178613B Voltage output device
08/17/2010US7778738 Method and system for reducing feeder circuit loss using demand response
08/17/2010US7778056 Power converter with low loss switching
08/17/2010US7778054 Power switching circuit improved to reduce loss due to reverse recovery current
08/17/2010US7777992 Motor start circuit
08/17/2010US7777590 HF socket
08/17/2010US7777453 Car power source apparatus having an over-charge and over-discharge protection circuit with automatic self-test function
08/12/2010US20100202089 Method for shutting down an electric machine in the event of a malfunction
08/12/2010US20100201403 Multi-level power supply system for a complementary metal oxide semiconductor
08/11/2010EP2215709A1 Device arranged for converting an ac input voltage to a dc output voltage
08/11/2010CN201550057U Multifunctional motor protecting and starting device
08/11/2010CN201549909U Multifunctional solar energy charging comprehensive protection controller
08/11/2010CN201549906U Power source device and managing device thereof
08/11/2010CN201549879U Outdoor high voltage line microcomputer protection device
08/11/2010CN201549878U Electronic feeder protecting device of communication power supply
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