| 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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| 03/13/2013 | CN202797912U Intelligent high-voltage switch complete device having functions of grounding protection and reclosure |
| 03/13/2013 | CN202797911U Five-prevention system based on geographical position information |
| 03/13/2013 | CN202797910U Standby self-start blocking device in 10kV power distribution room of intelligent substation |
| 03/13/2013 | CN202797909U Battery protection device |
| 03/13/2013 | CN202797908U Protective circuit of storage battery |
| 03/13/2013 | CN202797907U Potential failure safety protection circuit of passive equalization circuit |
| 03/13/2013 | CN202797906U Battery overcharge protection system |
| 03/13/2013 | CN202797905U Battery protection plate having line break protection function |
| 03/13/2013 | CN202797904U Capacitor series voltage-sharing detection protecting device |
| 03/13/2013 | CN202797903U Automatic discharging device of reactive compensation capacitor |
| 03/13/2013 | CN202797902U Short circuit protection circuit used for booster circuit |
| 03/13/2013 | CN202797901U Low-power-consumption short circuit protection circuit and DC/DC convertor |
| 03/13/2013 | CN202797900U Over-current protection circuit and step-down switch power supply device utilizing the same |
| 03/13/2013 | CN202797899U Protection device of vehicle starting motor |
| 03/13/2013 | CN202797898U Default phase automatic protective device for motor |
| 03/13/2013 | CN202797897U Default-phase protective alarm apparatus of breaker |
| 03/13/2013 | CN202797896U Three-phase asynchronous motor open-phase protector |
| 03/13/2013 | CN202797895U Motor locked rotor protector |
| 03/13/2013 | CN202797894U Automatic adjuster of power source phase sequence for three-phase asynchronous motor |
| 03/13/2013 | CN202797893U Reserve relay protector for transformer |
| 03/13/2013 | CN202797892U High-voltage resistant talkback emergency power supply |
| 03/13/2013 | CN202797891U Double safety protection circuit for electronic products |
| 03/13/2013 | CN202797890U Direct current inverter air conditioner and compressor driving current protection circuit |
| 03/13/2013 | CN202797889U Hardware structure for remote-cut intertripping device |
| 03/13/2013 | CN202797867U Short circuit protection circuit and power supply circuit provided with the same |
| 03/13/2013 | CN202797864U Electricity leakage measurement and control system |
| 03/13/2013 | CN202796772U 10kV rapid intelligent column breaker |
| 03/13/2013 | CN202796309U Inductance coil for power transformer safety device |
| 03/13/2013 | CN202793568U Power-supply management apparatus for electronic-scale capacitance-button keyboard |
| 03/13/2013 | CN102971820A Protection device to be associated with a current cutout device in an electrical circuit with increased lifetime |
| 03/13/2013 | CN102969953A Method and system for controlling electric bicycle on basis of space vector pulse width modulation |
| 03/13/2013 | CN102969952A Method and system used for controlling electric bicycle and based on pulse width modulation |
| 03/13/2013 | CN102969943A Motor automatic control device |
| 03/13/2013 | CN102969905A Power amplifier used for intelligent substation testing system |
| 03/13/2013 | CN102969702A Security event logging and conversion of security event messages in process control |
| 03/13/2013 | CN102969701A Battery protection and sparkle suppression circuit |
| 03/13/2013 | CN102969700A Battery protector and battery device |
| 03/13/2013 | CN102969699A Lithium battery protection circuit |
| 03/13/2013 | CN102969698A Semiconductor integrated circuit, protection circuit, and battery pack |
| 03/13/2013 | CN102969697A Control method for overvoltage protection and control circuit used for power supply controller |
| 03/13/2013 | CN102969696A Power system relay protection treatment method |
| 03/13/2013 | CN102074994B Charging device of direct-current (DC) system |
| 03/13/2013 | CN102035192B Uninterrupted power supply control signal interlocking protection circuit |
| 03/13/2013 | CN101895213B Electronic control system and device for controlling electric quantity |
| 03/13/2013 | CN101689764B Battery state monitoring circuit and battery device |
| 03/13/2013 | CN101578747B Power filter |
| 03/13/2013 | CN101569072B Method and system for video surveillance system motor overcurrent protection |
| 03/07/2013 | WO2013033409A1 Detecting batteries with non-uniform drain rates |
| 03/07/2013 | WO2013030808A2 Method for regulating a generator set |
| 03/07/2013 | WO2013030759A2 Method for regulating a generator set |
| 03/07/2013 | WO2013029751A1 Method and device for monitoring a drive unit, especially of a window lifter, comprising a rotating drive motor |
| 03/07/2013 | US20130058140 Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installation |
| 03/07/2013 | US20130058139 Energy generation system and its anti islanding protecting method |
| 03/07/2013 | US20130057408 Utility meter arc detection system |
| 03/07/2013 | US20130057227 Method and apparatus for controlling a converter |
| 03/07/2013 | DE19615581B4 Verfahren zum Schutz von mechanischen und durch einen Elektromotor angetriebenen Komponentenin Fahrzeugen vor Beschädigung A method for protection of mechanical and driven by an electric motor vehicles from damage Komponentenin |
| 03/07/2013 | DE102012212247A1 Verfahren, Systeme und Vorrichtung zum Steuern eines mehrphasigen Wechselrichters Methods, systems and apparatus for controlling a polyphase inverter |
| 03/07/2013 | DE102012108154A1 In-vehicle rotary electric machine e.g. reference generator of e.g. truck, has phase winding whose phase voltage waveform abnormality is determined if duration of different phase voltage time is not longer than predefined time |
| 03/07/2013 | DE102011112474A1 Verfahren und Anordnung zum Überspannungsschutz von Wechselrichtern für photovoltaische Anlagen Method and apparatus for overvoltage protection of inverters for photovoltaic systems |
| 03/07/2013 | DE102011112273A1 Antriebsanordnung zur motorischen Verstellung eines Verstellelements eines Kraftfahrzeugs Drive assembly for motor adjustment of an adjustment of a motor vehicle |
| 03/07/2013 | DE102006060208B4 Vorrichtung und Verfahren zum Ermitteln und Begrenzen eines Überstromes in einem elektronisch kommutierten Motor Apparatus and method for detecting and limiting an overcurrent in an electronically commutated motor |
| 03/07/2013 | DE102006029190B4 Überstrom-Erfassungsvorrichtung Overcurrent detection device |
| 03/06/2013 | EP2566001A1 Power distribution network fault management |
| 03/06/2013 | EP2273107B1 Variable speed distributed drive train wind turbine system |
| 03/06/2013 | CN202773148U Backlight LED driving protective circuit under 3D state and television set |
| 03/06/2013 | CN202772820U Medium voltage motor soft start device of cold water set |
| 03/06/2013 | CN202772809U Low-power miniature vehicle-mounted inverter |
| 03/06/2013 | CN202772795U Liquid crystal display television switching power supply assembly |
| 03/06/2013 | CN202772738U Electric generator suitable for overload protection |
| 03/06/2013 | CN202772638U Battery pack system and protection device thereof |
| 03/06/2013 | CN202772619U Circuit with automatic charging/discharging protection function |
| 03/06/2013 | CN202772570U Intelligent grounding fault integration protection system in voltage arc extinguishing method |
| 03/06/2013 | CN202772559U Intelligent controller for circuit breaker |
| 03/06/2013 | CN202772558U Excess temperature protection structure of microwave power device |
| 03/06/2013 | CN202772557U Charge and discharge protective device for lithium ion battery |
| 03/06/2013 | CN202772556U Automatic recovery circuit of lithium ion battery |
| 03/06/2013 | CN202772555U Shoot-through protection circuit of photovoltaic grid-connected inverter |
| 03/06/2013 | CN202772554U Motor protector capable of digitally setting current value |
| 03/06/2013 | CN202772553U Alternating current and direct current hybrid de-excitation device of large generator set |
| 03/06/2013 | CN202771918U Self-protection three-column amorphous alloy transformer |
| 03/06/2013 | CN202771238U Transformer air-cooled control and protection device |
| 03/06/2013 | CN102959824A 电源装置 Power supply unit |
| 03/06/2013 | CN102959818A An hvdc switchyard and an hvdc switchyard system |
| 03/06/2013 | CN102957379A Motor control system of treadmill and operating method for motor control system |
| 03/06/2013 | CN102957336A Pulse width modulation circuit for direct-current broken circuit |
| 03/06/2013 | CN102957187A Cell balance device and battery system |
| 03/06/2013 | CN102957175A Multi-cell serially-connected lithium battery pack equalization and protection system |
| 03/06/2013 | CN102957173A Multi-cell serially-connected lithium battery pack equalization and protection system |
| 03/06/2013 | CN102957172A Multi-cell serially-connected lithium battery pack equalization and protection system |
| 03/06/2013 | CN102957171A Solar energy graded manager |
| 03/06/2013 | CN102957134A System and method for rapidly isolating short trouble and recovering power supply in power grid |
| 03/06/2013 | CN102957133A IGBT (Insulated Gate Bipolar Translator) over-current withdraw protection circuit of frequency converter |
| 03/06/2013 | CN102957132A Uninterrupted power supply (UPS) battery low voltage discharge protection circuit with return difference |
| 03/06/2013 | CN102957131A Motor starting protection system |
| 03/06/2013 | CN102957130A Cascading field suppression circuit with magnetic field circuit breakers |
| 03/06/2013 | CN102956414A Protection component and protection device using same |
| 03/06/2013 | CN102170158B Charging circuit of electric automobile power battery |
| 03/06/2013 | CN102157966B Intelligent photovoltaic controller with multiple functions |
| 03/06/2013 | CN102005777B Control method and control system for photovoltaic grid-connected inverter |
| 03/06/2013 | CN101917045B Urban rail vehicle lead-acid storage battery with overvoltage protection circuit and overvoltage protection method thereof |