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)
08/2012
08/15/2012CN202384754U Temperature protection circuit having failure mode identification function
08/15/2012CN202384753U Charging protection circuit
08/15/2012CN202384752U Switching power supply overcurrent protection circuit
08/15/2012CN202384751U Solar storage battery power supply inversion system
08/15/2012CN202384750U Motor controller
08/15/2012CN202384749U Motor protection controller
08/15/2012CN202384748U Electric motor control loop participating in blowing-out protection
08/15/2012CN202384747U Intelligent motor protection controller
08/15/2012CN202384746U Overload protecting device of portable generator set with small power section
08/15/2012CN202384745U Generator control circuit
08/15/2012CN202384744U Full-stop protection device for cooler of forced oil-air cooling power transformer
08/15/2012CN202384743U System for research on magnetizing inrush current of single-phase transformer
08/15/2012CN202384742U Servo dynamic braking functional circuit
08/15/2012CN102640389A Method and system for distributed power management
08/15/2012CN102640375A Inverter for high voltages
08/15/2012CN102640374A Line fault detector
08/15/2012CN102638222A Cascade speed regulation device under fast overcurrent protection of composite chopped wave band
08/15/2012CN102638212A Driver for brushless direct-current motor
08/15/2012CN102638204A Fan double power electromagnetic starter with instant power down self-recovery function
08/15/2012CN102638203A Control and protection cabinet for three-phase motor
08/15/2012CN102638101A Method and device for scheduling fault recovery resource of power distribution network
08/15/2012CN102638028A Battery circuit protection module and battery module thereof
08/15/2012CN102638027A Switch refusing action fault simulation method for online safety and stability evaluation of electric power system
08/15/2012CN101820166B Magnetizing inrush current discrimination method based on equivalent excitation impedance frequency domain character of transformer
08/15/2012CN101800414B Method for judging and protecting low voltage in transformer short circuit fault
08/14/2012US8243480 Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal
08/14/2012US8242756 Load driving device and portable apparatus utilizing such driving device
08/14/2012US8242748 Trailer tow preserving battery charge circuit
08/14/2012CA2554117C Thermal overload protection
08/09/2012WO2012103936A1 Method for eliminating a fault on a high-voltage dc line, system for transmitting an electric current via a high-voltage dc line, and converter
08/09/2012US20120201059 Fault current limitation in dc power transmission systems
08/09/2012US20120201058 Mobile device adapter and charger
08/09/2012US20120200961 Electric transformer explosion prevention device provided with a liquid detector
08/09/2012US20120200960 Method for measuring a current, in particular by means of a grounding apparatus
08/09/2012US20120200245 Brushless dc motor
08/09/2012DE102011010774A1 Apparatus for providing electrical power for electrically operable vehicle, has actuator unit for switching protection switching element to monitoring switching position in which occurrence of fault current in connecting line is detected
08/09/2012DE102011010770A1 Vorrichtung zum Bereitstellen elektrischer Energie sowie Betriebsverfahren hierfür Means for providing electrical energy and operating method therefor
08/09/2012DE102011010224A1 Hand-Werkzeugmaschine mit einem temperaturabhängigen Sensor Hand machine tool with a temperature-dependent sensor
08/09/2012DE102011003764A1 Vorrichtung und Verfahren zur Entladung eines Energiespeichers in einem Hochvoltnetz Apparatus and method for discharging an energy storage in a high-voltage power
08/09/2012DE102011003733A1 Verfahren zur Ansteuerung eines Transistors und Ansteuerschaltung A method of driving a transistor drive circuit and
08/08/2012EP2485355A1 Brush-less DC motor
08/08/2012EP2485354A1 Protection system for an electrical power network based on the inductance of a network section
08/08/2012EP2483988A2 Deactivation device for separating an electrical energy source from a load and circuit system having a deactivation device
08/08/2012EP2483983A2 System and method for polyphase ground-fault circuit-interrupters
08/08/2012EP2483981A1 Communication network for a low voltage electric switchgear
08/08/2012CN202374611U Device for connecting and positioning unit circuit boards of machine core of motor protector
08/08/2012CN202374234U Device for eliminating miller effect of insulated gate bipolar transistor (IGBT)
08/08/2012CN202374204U On-off control device for straight-line electric pushrod
08/08/2012CN202374048U Intelligent high-voltage metering and protecting device
08/08/2012CN202374016U Emergency power supply
08/08/2012CN202374004U Solar power supply controller
08/08/2012CN202374000U Control device for realizing balance charging of battery pack and battery box
08/08/2012CN202373984U System capable of simulating micro-power grid system and alarming for abnormal operation of micro-power grid system
08/08/2012CN202373969U Intelligent current protection device
08/08/2012CN202373968U Protecting circuit for H bridge module
08/08/2012CN202373967U Battery protecting circuit
08/08/2012CN202373966U Outdoor independent street lamp control box
08/08/2012CN202373965U Microcomputer relay protection device based on serial bus technology
08/08/2012CN102629835A Inverter
08/08/2012CN102629755A Power transmission line backup protection method based on wide area information
08/08/2012CN102629754A Substation area back-up protecting method based on current differential principle
08/08/2012CN102629753A Externally hung capacitor discharging device special for explosion-proof elevator frequency converter
08/08/2012CN102628434A Solar energy direct current rainwater pump
08/08/2012CN101986496B Method for forming islands of distribution system containing distributed power supply
08/08/2012CN101924353B Overcurrent electronic protection module for high-voltage integrated gate commutated thyristor (IGCT) and short-circuit current protection method
08/08/2012CN101910614B Parallel starting system
08/08/2012CN101841147B Anti-lock circuit for permanent magnet motor
08/08/2012CN101814727B Permanent magnet motor high rotating speed current limiting circuit
08/08/2012CN101777753B Multi-component recombination current flashy flow judgment method of transformer and block relay
08/08/2012CN101719662B Fault line selection device for distribution line of small-current grounding system
08/08/2012CN101656415B Power tool
08/07/2012US8238131 Method of changing an operation mode of a frequency converter based on temperature conditions, and a frequency converter having a changeable mode of operation based on temperature conditions
08/07/2012US8237426 Flux linkage compensator for uninterruptible power supply
08/02/2012WO2012102461A1 Battery charging/discharging control circuit using microcomputer
08/02/2012WO2012101835A1 Protection device in lithium ion secondary battery
08/02/2012WO2012100564A2 Self-adaptive lightning-proof anti-surge control circuit
08/02/2012WO2012075305A3 Dual-comparator restricted earth fault protection
08/02/2012WO2012022346A9 Method for monitoring a photovoltaic installation and monitoring device
08/02/2012US20120195079 Fast switching for power inverter
08/02/2012US20120194949 Relay and method for protecting transformer, and transformer protecting system having the same
08/02/2012US20120194948 Independent, redundant overvoltage protection for a generator
08/02/2012US20120194947 Voltage regulator
08/02/2012US20120194119 Fast switching for power inverter
08/02/2012US20120194118 Methods and Systems Involving Electric Machine Controllers
08/02/2012US20120194110 Method and control system for driving a brushless electric motor
08/02/2012DE102011009932A1 Method for monitoring of rotation speed value with drive, involves triggering warning and/or switching off signal for converter when rotation speed values compared with one another exceed critical balance amount
08/02/2012DE102011009927A1 Method for monitoring rotational speed values of drive, involves comparing rotational speed values with one another, and triggering action e.g. warning and/or stop signal, for converter, if difference between values is exceeded
08/02/2012DE102011003518A1 Verfahren zum Schutz eines Ladekabels und Ladeeinrichtung A method of protecting a charging cable and charger
08/01/2012EP2482445A2 Independent, redundant overvoltage protection for a generator
08/01/2012EP2482437A2 Common mode choke with current sensor in an electric drive
08/01/2012EP2482413A1 Battery interlock system and related method
08/01/2012EP2482412A2 Switch control circuit for power supply and power supplying circuit
08/01/2012EP2482411A1 Drive Failure Protection
08/01/2012EP2482410A1 Relay and method for protecting transformer, transformer protecting system having the same
08/01/2012EP2482408A2 Frequency based fault detection
08/01/2012EP2481137A2 Electrostatic atomization device
08/01/2012EP2279549B1 Method for detecting an error in an induction machine
08/01/2012EP2130349B1 Method of configuring an intelligent electronic device
08/01/2012CN202364426U Emergency lamp circuit and emergency lamp system
08/01/2012CN202364255U System capable of realizing fault self-healing
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