| 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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| 05/25/2011 | CN101521371B Series capacitor compensated line distance protection method based on fault point position identification |
| 05/25/2011 | CN101399439B Battery protection method and apparatus used for electronic product |
| 05/25/2011 | CN101286723B Control method for ultra-high/extra-high voltage magnetic control type parallel reactor |
| 05/25/2011 | CN101267110B A method and circuit for judging transition resisting resistance capability of line protection device |
| 05/25/2011 | CN101232237B Multiple output power supply |
| 05/25/2011 | CN101075498B Method and device for inhibiting transformer no-load switch-on surge |
| 05/25/2011 | CN101051776B Pump and pump system |
| 05/25/2011 | CN101051743B Over-temperature protection circuit for transformer in reverse exciting topological power |
| 05/25/2011 | CN101044663B Device for the safe isolation of a nuclea power plant from a power grid, power plant equipment and industrial equipment |
| 05/25/2011 | CN101040415B Protection circuit |
| 05/24/2011 | US7948727 Over-voltage protection circuit |
| 05/24/2011 | US7948724 Current transformer support bracket and circuit interrupter including the same |
| 05/24/2011 | US7948721 AC motor bypass with fault annunciation, serial communication and fault tolerant coil control |
| 05/24/2011 | US7948720 Voltage regulator with transient recovery circuit |
| 05/24/2011 | US7948719 Solid state circuit protection system that works with arc fault circuit interrupter |
| 05/24/2011 | US7948218 Voltage regulator for magnetogenerators with configurable connection of the phase windings |
| 05/24/2011 | US7948217 Distributed generation system and power system stabilizing method |
| 05/24/2011 | US7948216 Control apparatus for automotive alternator and automotive power generation system |
| 05/24/2011 | CA2481564C Integrated protection system for electrical distribution |
| 05/19/2011 | WO2011057577A1 Lawn mower |
| 05/19/2011 | US20110116198 Conductor arrangement for a resistive switching element having at least two composite conductors made from superconducting conductor bands |
| 05/19/2011 | US20110116196 Protection relay, electrical switching apparatus, and system including a number of controllers for determining and outputting fault current available at a load and incident energy or personal protective equipment level operatively associated therewith |
| 05/19/2011 | US20110115564 Short Circuits and Power Limit Protection Circuits |
| 05/19/2011 | DE102009046617A1 Wechselrichter Inverter |
| 05/19/2011 | DE10148488B4 Anlasser mit Überhitzungsschutzeinrichtung einschließlich einer Bürsteneinrichtung Starter with thermal protector including a brush device |
| 05/18/2011 | EP2059942B1 Switching device, in particular a compact starter |
| 05/18/2011 | EP1438778B1 Method for monitoring the reversing process of electrically actuatable units |
| 05/18/2011 | CN201839146U AC motor |
| 05/18/2011 | CN201839043U Photovoltaic charge-discharge control device with storage battery vulcanization recognizing and treating functions |
| 05/18/2011 | CN201839039U Photovoltaic charge-discharge control device with free capacity expansion |
| 05/18/2011 | CN201839029U 太阳能充电设备 Solar charging equipment |
| 05/18/2011 | CN201838996U Intelligent controller for breaker with plastic shell |
| 05/18/2011 | CN201838995U Low-voltage power distribution intelligent main switch cabinet with thunder and lightning protection capability and control cabinet of frequency converter |
| 05/18/2011 | CN201838994U Input and output reverse protection device of frequency converter |
| 05/18/2011 | CN201838993U Multiple protection device for monitoring faults of motor |
| 05/18/2011 | CN201838992U Wireless or carrier motor protector |
| 05/18/2011 | CN201838991U 10-20kV intelligent protection device for overcurrent and phase shortage of transformer |
| 05/18/2011 | CN201838990U Electric automobile leakage protection system |
| 05/18/2011 | CN201835533U Concrete vibrator |
| 05/18/2011 | CN1877946B Secondary battery protective chip |
| 05/18/2011 | CN102067439A Motor control apparatus |
| 05/18/2011 | CN102067399A Electric installation structure |
| 05/18/2011 | CN102064683A Wide voltage input and invariable voltage output power supply module |
| 05/18/2011 | CN102064613A Fault locking method for relay protection in digital substation |
| 05/18/2011 | CN102064611A Transformer substation sequentialization control system with visualization and interactivity |
| 05/18/2011 | CN102064588A Autotracking adaptive charging maintainer for electric vehicle storage battery |
| 05/18/2011 | CN102064586A Control system and method for novel battery equalizer |
| 05/18/2011 | CN102064584A Improved power interface of wireless fixed station module |
| 05/18/2011 | CN102064541A Device and method for protection of chargeable element |
| 05/18/2011 | CN102064539A Mixed line self-adaptive reclosing method based on traveling wave ranging principle |
| 05/18/2011 | CN102064538A Realization method of variable distance relay automatically adapting to system line impedance ratio |
| 05/18/2011 | CN102064537A Method for judging and processing single-phase earth faults by using electronic mutual inductor |
| 05/18/2011 | CN102064536A Current protection method |
| 05/18/2011 | CN102064535A Insulated gate bipolar transistor overcurrent protection self-recovering circuit |
| 05/18/2011 | CN102064534A Novel energy-saving control circuit |
| 05/18/2011 | CN102064533A Direct-current overvoltage control system of uncontrollable rectification unit of cascade high-voltage transducer |
| 05/18/2011 | CN102064532A Overvoltage protection circuit of input follower type |
| 05/18/2011 | CN102064531A Microcomputer monitor motor protector |
| 05/18/2011 | CN102064530A Counting method by detecting current value variation of electromotor and counting sensor used thereby |
| 05/18/2011 | CN102064529A Neutral point grounding protective device of transformer of switch contact temperature monitor |
| 05/18/2011 | CN102064528A Transformer neutral point earth protection device |
| 05/18/2011 | CN102064527A Control and protection system of series compensation device or fault current limiter |
| 05/18/2011 | CN102064518A High-sensitivity current measurement and control device |
| 05/18/2011 | CN102064047A Relay and switching tube parallel circuit suitable for high-pressure direct current occasion |
| 05/18/2011 | CN101634685B Method for detecting false operation of bus differential protection caused by the intrusion of interfering signal into the bus differential protection |
| 05/18/2011 | CN101588057B Relay protection device |
| 05/18/2011 | CN101557121B Control device and method thereof for locomotive charger |
| 05/18/2011 | CN101542877B Circuit protection and control system, and protection and control method applying the system |
| 05/18/2011 | CN101499646B Automatically temperature compensating average value over-current protection circuit |
| 05/18/2011 | CN101388541B Automobile air conditioner control panel reference supply protecting equipment |
| 05/18/2011 | CN101345415B Travelling wave analysis recognition method for thunderbolt shielding failure and counterattack discrimination of direct current transmission line |
| 05/18/2011 | CN101267108B Protection method for failure row wave network |
| 05/17/2011 | US7944663 Over-current protection circuit |
| 05/17/2011 | US7944661 Protection circuit, flat display device using the same, and method for driving flat display device using the same |
| 05/17/2011 | US7944660 Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution |
| 05/17/2011 | US7944189 Load driving device and portable apparatus utilizing such driving device |
| 05/17/2011 | US7944187 Modulation control of power generation system |
| 05/17/2011 | US7944184 Static compensator apparatus for HVDC system |
| 05/17/2011 | US7944183 Output voltage controller for AC vehicle generator |
| 05/12/2011 | WO2011054385A1 Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices |
| 05/12/2011 | WO2011037074A3 Electrostatic atomization device |
| 05/12/2011 | US20110113175 Portable terminal and usb device |
| 05/12/2011 | US20110110129 Circuit arrangement and control circuit for a power-supply unit, computer power-supply unit and method for switching a power-supply unit |
| 05/12/2011 | US20110110128 Preventing metal oxide varistor (MOV) from releasing smoke, smell, and/or sound |
| 05/12/2011 | US20110110006 Method for selectively triggering circuit breakers in the event of a short circuit |
| 05/12/2011 | US20110110002 Electric power supply device |
| 05/12/2011 | US20110110000 Power System Having Voltage-Based Monitoring for Over Current Protection |
| 05/12/2011 | US20110109171 Wattmeter circuit for operating a grinder pump assembly to inhibit operating under run dry or blocked conditions |
| 05/12/2011 | CA2779513A1 Method of monitoring the grading margin between time-current characteristics of intelligent electronic devices |
| 05/11/2011 | EP2320545A1 Converter with voltage limiting component |
| 05/11/2011 | EP2320535A1 Current-limiting circuit breaker, electrical distribution device equipped with such a limiting circuit breaker and current-limiting method |
| 05/11/2011 | EP2320534A2 Alternating current cable systems with compensation circuits |
| 05/11/2011 | EP2319151A1 Method and apparatus for fault identification in a power transmission line |
| 05/11/2011 | EP2319150A1 Substation automation wiht redundant protection |
| 05/11/2011 | EP2319149A1 Overload relay |
| 05/11/2011 | EP2318270A2 Assembly of actuators and of a system for supplying electrical power from a network |
| 05/11/2011 | CN201830514U Solar controller |
| 05/11/2011 | CN201830493U High-power LED (light-emitting diode) constant-temperature lighting system driven by combination of wind, light and grid electricity |
| 05/11/2011 | CN201830200U Variable frequency speed regulation controller of induction motor based on singlechip |
| 05/11/2011 | CN201830197U 节电器 Saver |