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