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)
01/2014
01/29/2014CN203415948U Intelligent temperature control self-check alarm device of charger
01/29/2014CN103548254A Method and device for operating a brushless motor
01/29/2014CN103548229A Drive chain comprising a doubly-fed electric machine and a band-stop filter connected between a DC/AC inverter and the rotor of the machine
01/29/2014CN103548227A Trip unit including separable component to save restore settings, and circuit breaker including the same
01/29/2014CN103547014A Load driving device associated with light-emitting diode lamp tube and method of load driving device
01/29/2014CN103546020A High-voltage IGBT driving and protecting circuit
01/29/2014CN103545913A Thermal power plant frequency converter low voltage ride through device with alternating-current input backup and direct-current input backup
01/29/2014CN103545836A Capacitor commutated converter inverter side system
01/29/2014CN103545805A Modeling-based railway power supply arm monitoring method
01/29/2014CN103545799A Circuit differential protection method automatically adapting to external bridge circuit
01/29/2014CN103545798A Distance protection method of fault opening elements in swing block
01/29/2014CN103545797A Distribution network area protecting and self-healing system
01/29/2014CN103545796A Single-phase grounding fault handling device and method for power distribution network with non-effectively grounded neutral points
01/29/2014CN103545795A Breaker tripping protector
01/29/2014CN103545794A Protecting module of control and protection switching device
01/29/2014CN103545793A Integrated circuit provided with circuit damage protection mechanism and method of circuit damage protection mechanism
01/29/2014CN103545792A ACS710 based frequency converter overcurrent protection circuit and method
01/29/2014CN103545791A 电子功率控制器 Electronic power controller
01/29/2014CN103545790A Autotransformer protecting system suitable for traction substation
01/29/2014CN103545789A Fuzzy recognition method of magnetizing inrush currents in transformer differential protection
01/29/2014CN103545788A System for conducting accurate current control by means of digital-display ampere meter
01/29/2014CN103545787A Protecting system of unified power quality controller and protection control method of protecting system
01/29/2014CN102449283B Electric supercharger
01/29/2014CN102306926B Fault protection method and device for power generating current transformer
01/29/2014CN102290803B Micro-grid relaying protection method and device
01/29/2014CN102290790B Fault detecting and protective circuit of brushless direct current motor
01/29/2014CN102290788B Measurement protective device of submersible pump motor
01/29/2014CN102185283B Method for sub-synchronous current calculation and sub-synchronous over-current and divergent protection of generator
01/29/2014CN102170110B Method for protecting modularized multi-level transverter valve
01/29/2014CN102157922B Reactance relay and re-closing method
01/29/2014CN102055172B Excitation source for superconducting magnet and its operating method
01/29/2014CN101807801B Charging controller
01/28/2014US8639387 Method, system and device for controlling a device related to a building aperture
01/28/2014US8638576 Voltage source converter and a method for fault handling thereof
01/28/2014US8638532 System and method for programming and controlling over current trip point limits in voltage regulators
01/28/2014US8638054 Sensorless lost/found rotor detection for permanent magnet motors
01/28/2014US8638050 DC power supply unit and LED lighting apparatus
01/23/2014WO2014014081A1 Magnetizing inrush current suppression device and suppression method therefor
01/23/2014WO2014012612A1 Bridge-intelligent electronic device of routing messages between sub-networks
01/23/2014WO2013041974A3 Method and apparatus for controlling a converter
01/23/2014WO2013034249A3 Method for detecting a connection fault
01/23/2014WO2013030808A3 Method for regulating a generator set
01/23/2014WO2013030759A3 Method for regulating a generator set
01/23/2014US20140022676 Circuit with motor driver spike suppression
01/23/2014US20140021736 Motor overload protection for cargo canopy systems
01/23/2014DE10202478B4 Ladungspumpenschaltung mit einer Einrichtung zur Bewertung einer angeschlossenen Last A charge pump circuit with a device for evaluating a connected load
01/23/2014DE102013107107A1 Kreuzbezug auf zugehörige anmeldungen Cross reference to related declarations
01/23/2014DE102012212535A1 Circuit for use with battery for monitoring interlock or pilot lines of electrical network of motor vehicle, comprises evaluation unit and sub-circuit integrated into signal circuit through terminals for monitoring of electrical network
01/23/2014DE102012014270A1 Anti-trap protection method for motor adjustable vehicle seat during e.g. height adjustment, involves stopping or reversing seat adjustment if test sizes exceed threshold values, and detecting quantitative- or qualitative occupancy signal
01/22/2014EP2688251A1 Bridge-intelligent electronic device of routing messages between sub-networks
01/22/2014EP2686929A1 Voltage based method for fault identification in a transmission line and apparatus thereof
01/22/2014CN203406812U Control circuit of direct current brushless motor and inverter air conditioner
01/22/2014CN203406806U Earthquake acquisition photovoltaic power supply
01/22/2014CN203406791U Parallel-mode large power three-phase phase-controlled rectifier
01/22/2014CN203406776U DC power supply
01/22/2014CN203406663U Output intrinsically safe type power supply
01/22/2014CN203406642U A battery management module with safety protection
01/22/2014CN203406602U Storage battery discharge protecting apparatus
01/22/2014CN203406601U Motor oriented operation control cabinet controlled by phase sequence relay
01/22/2014CN203406600U Novel control cabinet for vibrating screens
01/22/2014CN203406599U Impact-proof motor thermorelay protector
01/22/2014CN203406598U Intelligent motor protection control device
01/22/2014CN203406153U Intelligently-controlled transformer
01/22/2014CN203404067U Vortex type self-absorption electric pump
01/22/2014CN103534893A Electrical system and method for the operation thereof
01/22/2014CN103532476A Controller for multiple-phase rotating machine
01/22/2014CN103532237A Wide-area protection control system based on IEEE1588 network timing protocol
01/22/2014CN103532188A Electric vehicle storage battery charging process monitoring device
01/22/2014CN103532185A Battery pack with pulse starting circuit
01/22/2014CN103532116A Automatic three-layer protection system of distribution network
01/22/2014CN103532115A Microgrid short-circuit current-based protective device and configuration method thereof
01/22/2014CN103532114A Novel method for performing over-current protection on cascade radiation type distribution lines
01/22/2014CN103532113A Rapid distance protection method for power transmission line containing micro-grid system
01/22/2014CN103532112A Direct-current differential protection method for sectional type valve bank
01/22/2014CN103532111A Incoming line and outgoing line protector of switching station
01/22/2014CN103532110A Detection method for recognizing system intermittent high-impedance-grounded fault by transient direction
01/22/2014CN103532109A Fault recovery method of power distribution network including micro grid
01/22/2014CN103532108A Differential protection in electrical power networks
01/22/2014CN103532107A Unit running protection device of ion excitation equipment
01/22/2014CN103532106A Single lithium battery protection chip with accurate delay and dormancy functions
01/22/2014CN103532105A Protective circuit for battery
01/22/2014CN103532104A Battery protection circuit
01/22/2014CN103532103A Battery protection system
01/22/2014CN103532102A Over-temperature protection and over-voltage protection system and method for power supply transformation system
01/22/2014CN103532101A Rectifier of high-frequency interface in electronic label
01/22/2014CN103532100A Method for protecting continuous rotating cloud deck motor in case of ultra-high temperature
01/22/2014CN103532099A Intelligent control system of security motor in inflammable and explosive environment
01/22/2014CN103532098A Electromotor integrative protector
01/22/2014CN103532097A Leakage protection device for mobile power generators
01/22/2014CN103532096A Method for eliminating defect in 10kV feeder protection device without cutting off power
01/22/2014CN103532084A Integrated accident signal resetting circuit in microcomputer type relay protection circuit
01/22/2014CN103531861A Battery and motor vehicle
01/22/2014CN102347601B Power protection circuit
01/22/2014CN102299508B Power supply with duplex over-temperature protection circuits
01/22/2014CN102223064B Serial resonant converter having overload delay mechanism and short-circuit protection mechanism
01/22/2014CN102119474B Fast power swing unblocking method and apparatus for distance protection in power system
01/22/2014CN101939889B Earth leakage detection method
01/21/2014US8634215 Rectifier circuit with a voltage sensor
01/21/2014US8634175 Method and system for programming and implementing automated fault isolation and restoration using sequential logic
01/21/2014US8634171 Over voltage protection of a switching converter
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