| 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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| 03/24/2011 | US20110068724 Sensorless Lost/Found Rotor Detection for Permanent Magnet Motors |
| 03/24/2011 | DE102009031875B4 Verfahren zum Betreiben eines Drehstrommotors und Schaltungsanordnung zur Durchführung des Verfahrens Method for operating a three-phase motor and circuit arrangement for performing the method |
| 03/24/2011 | DE102007020997B4 Stromkreisunterbrecher sowie Vorrichtung mit einem solchen Stromkreisunterbrecher A circuit breaker as well as apparatus having such a circuit breaker |
| 03/23/2011 | EP2297830A2 High-speed circuit breaker for a high-performance battery in an isolated direct current network |
| 03/23/2011 | EP2145368B1 Circuit arrangement comprising at least two capacitors that are connected in series |
| 03/23/2011 | EP1618640B1 Method and apparatus for electrical power transfer |
| 03/23/2011 | CN201774631U 3G technology-based visual real-time monitoring and prewarning system for agricultural production |
| 03/23/2011 | CN201774468U Voltage dropping circuit with capacitor for filtering waves by using inducer |
| 03/23/2011 | CN201774452U DC-DC isolated power supply |
| 03/23/2011 | CN201774319U Bus coupler protection measurement and control of railway distribution substation and automatic bus transfer device |
| 03/23/2011 | CN201774275U Feedback power system of energy-saving emergency lift |
| 03/23/2011 | CN201774244U Charge protector |
| 03/23/2011 | CN201774243U Digital capacitor protecting device with harmonic protecting function |
| 03/23/2011 | CN201774242U EPS master control circuit |
| 03/23/2011 | CN201774241U Phase-loss and phase-fault protector of alternating-current motor |
| 03/23/2011 | CN201774240U Motor protector |
| 03/23/2011 | CN201774239U Motor driver with failure detection function |
| 03/23/2011 | CN201774238U Drawer chest intelligent motor management unit analog module |
| 03/23/2011 | CN201774237U Intelligent motor management unit temperature module of chest of drawers |
| 03/23/2011 | CN201774236U Motor protecting alarm device |
| 03/23/2011 | CN201774235U Portable low-power generating unit overload protector |
| 03/23/2011 | CN201774234U Grounding fault protector for generator rotor |
| 03/23/2011 | CN201774233U Novel protection device special for low voltage generator |
| 03/23/2011 | CN201774232U Electric railway AT protection, measurement and control device suitable for passenger special line |
| 03/23/2011 | CN201774231U Main transformer backup protection device for electric railway of passenger dedicated line |
| 03/23/2011 | CN201774230U Transformer neutral point over-voltage protection device |
| 03/23/2011 | CN201774229U Microcomputer protecting device in factory power supply technology training device |
| 03/23/2011 | CN201774159U Transformer air-cooling automated remote control device |
| 03/23/2011 | CN201773489U Networking signal real-time remote transmission device |
| 03/23/2011 | CN201769738U Automobile audio system |
| 03/23/2011 | CN201769690U Device power system for special purpose vehicle |
| 03/23/2011 | CN101588059B Lightning protection-grounding integrated protection system |
| 03/23/2011 | CN101350511B Twofold startup method protected by microcomputer protecting equipment |
| 03/23/2011 | CN101299535B Automatic recognition control method for large electric network catenation fault and hetero-position multi-point fault |
| 03/22/2011 | US7911810 Bi-directional DC-DC converter and method for controlling the same |
| 03/22/2011 | US7911755 Circuit arrangement for electrically controlling power and cooling arrangement |
| 03/22/2011 | US7911080 Method and system for managing an automotive electrical system |
| 03/17/2011 | WO2011031930A2 Method and apparatus for charging a battery |
| 03/17/2011 | WO2011031699A1 Systems and methods for polyphase alternating current transformer inrush current limiting |
| 03/17/2011 | WO2011031684A1 Apparatus and method for identifying a faulted phase in a shunt capacitor bank |
| 03/17/2011 | WO2011031067A2 Input and output controlling circuit of battery management system |
| 03/17/2011 | WO2011029767A1 Topology surveying a series of capacitors |
| 03/17/2011 | US20110066296 Method and Apparatus for Control of an Electric Power Distribution System in Response to Circuit Abnormalities |
| 03/17/2011 | US20110063761 Transformer Differential Protection |
| 03/17/2011 | US20110062908 Controller of motor |
| 03/17/2011 | US20110062797 Protection system for voltage transformers |
| 03/17/2011 | DE102010036376A1 Electromotive furniture drive arrangement has drive motor, drive unit and linearly driven output element for coupling with adjustable drive element or furniture group |
| 03/17/2011 | DE102009035166A1 Verfahren zum Betreiben eines elektrischen Energieversorgungsnetzes Method for operating an electrical power supply system |
| 03/17/2011 | CA2773183A1 Systems and methods for polyphase alternating current transformer inrush current limiting |
| 03/17/2011 | CA2773154A1 Apparatus and method for identifying a faulted phase in a shunt capacitor bank |
| 03/16/2011 | EP2294675A1 Intelligent process interface and substation automation system |
| 03/16/2011 | CN201766754U Non-isolated type LED driving power supply having protection function |
| 03/16/2011 | CN201766509U Lightning-protection power supply device |
| 03/16/2011 | CN201766490U Driving circuit based on IGBT bridge-type switch topology and protecting module thereof |
| 03/16/2011 | CN201766400U High-power intelligent control circuit for switch power charger |
| 03/16/2011 | CN201766385U Movable type solar power supply apparatus |
| 03/16/2011 | CN201766378U Charger capable of automatically cutting off power |
| 03/16/2011 | CN201766376U Universal charger |
| 03/16/2011 | CN201766362U Shipping shore power system |
| 03/16/2011 | CN201766351U Device for selecting faulty line and eliminating faulty electric arc during single-phase ground fault of low-current grounding system |
| 03/16/2011 | CN201766350U Self-adapting simple busbar protection device based on GOOSE |
| 03/16/2011 | CN201766349U Working condition conversion control circuit of internal combustion locomotive |
| 03/16/2011 | CN201766348U Battery safety device and battery set using the same |
| 03/16/2011 | CN201766347U Backup battery protection circuit |
| 03/16/2011 | CN201766346U Intelligent integrated protector for motor |
| 03/16/2011 | CN201763117U Door machine used in side-hinged door |
| 03/16/2011 | CN201763112U Intelligent electric window opener |
| 03/16/2011 | CN101986545A Inverter driving device based on digital signal processor (DSP) and complex programmable logic device (CPLD) |
| 03/16/2011 | CN101986496A Method for forming islands of distribution system containing distributed power supply |
| 03/16/2011 | CN101986495A Adaptive weak power supply mode longitudinal protection method |
| 03/16/2011 | CN101986494A Super preventive intelligent protector |
| 03/16/2011 | CN101599635B Method for enhancing differential protection performance by coordination of mutation quantity fault discrimination and fuzzy harmonic analysis |
| 03/16/2011 | CN101534008B Method for reducing influence of voltage sag on electric equipment |
| 03/16/2011 | CN101534003B Data synchronization method for digitized fiber differential protection device |
| 03/16/2011 | CN101355247B Method for recognizing non-integrity string running mode under half circuit breaker connection mode |
| 03/16/2011 | CN101345507B Energy-saving control device of megawatt level multifunctional aerogenerator |
| 03/15/2011 | US7906947 Microprocessor die with integrated voltage regulation control circuit |
| 03/15/2011 | US7906927 Signal input method and opening/closing controller |
| 03/10/2011 | WO2011028360A2 Power transistor circuit |
| 03/10/2011 | WO2011003816A3 Method for operating a closing device of a motor vehicle and a closing device |
| 03/10/2011 | WO2010132698A3 System and method for over-voltage protection of a photovoltaic string with distributed maximum power point tracking |
| 03/10/2011 | WO2010124927A3 Method and device for detecting an entrapment situation |
| 03/10/2011 | US20110058289 Device for preventing the explosion of an element of an electrical transformer |
| 03/10/2011 | US20110058288 Protective redundant subsystem for power tools |
| 03/10/2011 | US20110057594 Methods and systems for determining and displaying a time to overload of machine tools |
| 03/10/2011 | US20110057586 Monitoring battery cell voltage |
| 03/10/2011 | US20110056226 Motor Controller, Air Compressor, Air Conditioner, Controller of Passenger Conveyor and Controller of Conveyor |
| 03/10/2011 | DE102009039770A1 Method for operating load-side static inverter of voltage intermediate circuit converter, involves disconnecting load-side static inverter as soon as value of its input voltage is equal to pre-determined value of safety threshold voltage |
| 03/10/2011 | DE102009038597A1 Method for operating electrical machine, involves conveying operating condition signal to machine controller over bus system, and executing comparison between value facet and operating condition signal in machine controller |
| 03/10/2011 | DE102008064402B4 Gleichrichterschaltung Rectifier circuit |
| 03/10/2011 | DE102004013108B4 Verfahren zum Betreiben einer Versorgungseinheit für eine Treiberschaltung sowie Versorgungseinheit für eine Treiberschaltung A method for operating a supply unit for a driver circuit and supply unit for a driver circuit |
| 03/09/2011 | EP2293402A1 Protective system for voltage transformers |
| 03/09/2011 | EP2293401A1 Protective system for voltage transformers |
| 03/09/2011 | EP2293345A2 Pyro fuse with varistor control for separating an inverter from a photovoltaic assembly |
| 03/09/2011 | EP2291895A1 Method for selectively triggering circuit breakers in the event of a short circuit |
| 03/09/2011 | EP2291892A1 Electric installation structure |
| 03/09/2011 | CN201758362U Equipment and frequency converter used for system state monitoring |
| 03/09/2011 | CN201758361U Power source device used for tests |
| 03/09/2011 | CN201758302U 多功能充电器 Multi-Charger |
| 03/09/2011 | CN201758299U Charge-discharge automatic balancing lithium-ion power series battery |