| 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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| 10/22/2008 | CN201138450Y Passenger car electricity integrated control cabinet |
| 10/22/2008 | CN201138444Y Electric integrated control cabinet |
| 10/22/2008 | CN101292407A Prefabricated pcm and battery pack containing the same |
| 10/22/2008 | CN101291114A Power switching device |
| 10/22/2008 | CN101291104A Protecting method for sudden drop of electric and electronic equipment with medium or high electric power |
| 10/22/2008 | CN101291081A Data sampling and transmission module for power distribution system |
| 10/22/2008 | CN101291076A Solar and commercial power complementary uninterruptable power system |
| 10/22/2008 | CN101291062A Analysis method of DC power flow in dynamic topology electric network |
| 10/22/2008 | CN101291060A An intelligent electronic device for substation or distribution automation systems |
| 10/22/2008 | CN101291056A Faulty phase selection method based on long wire model |
| 10/22/2008 | CN101291055A Method for precisely marking arriving time of initial wave of fault generated traveling waves for electricity transmission line |
| 10/22/2008 | CN101291054A Diagnosis and protection method for residue current of ground fault in electrical power system |
| 10/22/2008 | CN101291053A Circuit protection system |
| 10/22/2008 | CN101290931A Self-cooled thyristor valve of high power and mounting vehicle |
| 10/22/2008 | CN100428605C Magnetic-loss protection method for salient-pole generator |
| 10/22/2008 | CN100428604C Turns protection method of composite zero sequence voltage in generator |
| 10/22/2008 | CN100428602C Control circuit of electric power supplier with fixed current limiting mode |
| 10/21/2008 | US7440301 High frequency excitation system |
| 10/21/2008 | US7440297 Fault detection for loss of feeback in forced switching power supplies with power factor correction |
| 10/21/2008 | US7440245 Arc fault circuit interrupter and method of detecting an arc fault |
| 10/21/2008 | US7439713 Modulation control of power generation system |
| 10/16/2008 | WO2008122922A1 Safety device for an actuating system for roller shutters or sliding barriers |
| 10/16/2008 | WO2008122602A1 Over voltage protection for a converter |
| 10/16/2008 | WO2008122189A1 An output protection circuit for a power supply converter |
| 10/16/2008 | US20080254344 Lithium Secondary Battery Having Internal Protection Circuit |
| 10/16/2008 | US20080253155 Power Supply with Current Limiting Circuits |
| 10/16/2008 | US20080253041 Thermal Overload Protection |
| 10/16/2008 | DE19963024B4 Optischer Störlichtbogensensor An optical accidental arc sensor |
| 10/16/2008 | DE102007014449A1 Switching voltage converter for use as step-up converter, has integrated voltage controller used as voltage reference, and standard-logic-integrated circuit or part of application specific integrated circuit used as control circuit |
| 10/15/2008 | EP1981141A2 Method in connection with protective relay and protective relay |
| 10/15/2008 | EP1980015A1 Process for switching off an electrical machine in the event of a malfunction |
| 10/15/2008 | EP1980003A1 Protection method for a reversible electric motor |
| 10/15/2008 | CN201134775Y High-speed starting protective circuit controlled by frequency converter |
| 10/15/2008 | CN201134692Y Dynamic battery with MCU management |
| 10/15/2008 | CN201134688Y Charger for emergency |
| 10/15/2008 | CN201134686Y Charging device for lithium ion cell |
| 10/15/2008 | CN201134683Y Alarm circuit for battery discharging |
| 10/15/2008 | CN201134666Y Overcurrent protecting electronic control apparatus for small circuit breaker |
| 10/15/2008 | CN201134665Y Power battery pack protection circuit of low power consumption |
| 10/15/2008 | CN201134664Y High-voltage motor starting protector |
| 10/15/2008 | CN201134663Y Comprehensive protector of transformer |
| 10/15/2008 | CN201134661Y Microcomputer measuring, controlling and protecting equipment for electrical power system |
| 10/15/2008 | CN201134461Y Disaster preventing protective device of protective plate of multi-series lithium ion cell |
| 10/15/2008 | CN201134460Y Protective circuit board of improved lithium ion batteries |
| 10/15/2008 | CN201134016Y Force moment protection electric control device for tower crane |
| 10/15/2008 | CN201133924Y Differential voltage transformer turn-to-turn short circuit detection device |
| 10/15/2008 | CN101286723A Control method for parellel reactor with ultra-high/extra-high voltage magnetic control type |
| 10/15/2008 | CN101286719A Motor driving device, lockedrotor protecting method and cooling device using the same |
| 10/15/2008 | CN101286645A Electric power management method and device for high-temperature situation of battery |
| 10/15/2008 | CN101286644A 充电及放电系统 Charging and discharging systems |
| 10/15/2008 | CN101286635A Synthetic monitoring method and device in medium-voltage power supply system |
| 10/15/2008 | CN101286634A Protection method of parellel reactor based on parameter identification |
| 10/15/2008 | CN100426655C Generator |
| 10/15/2008 | CN100426615C Control system of feedback protection for faults of three phase power supply and load |
| 10/15/2008 | CN100426613C Power souce commutation possessing reverse connected polarity and protection circuit for surge current |
| 10/14/2008 | US7436644 Switching circuit, switching method, protective device and battery pack |
| 10/14/2008 | US7436083 Up-wind type windmill and operating method therefor |
| 10/13/2008 | CA2626382A1 Tamper protection device for an electrical switching device, including a protection cap and a retainer for a security seal |
| 10/09/2008 | WO2008119293A1 Circuit protection and control system, and protection and control method applying the system |
| 10/09/2008 | US20080247199 Method and apparatus for power converter fault condition detection |
| 10/09/2008 | US20080247198 Control circuit and controlling method of switching power supply system |
| 10/09/2008 | US20080247106 Reduction of Inrush Current Due to Voltage Sags |
| 10/09/2008 | US20080246441 Battery pack protection circuit and battery pack |
| 10/09/2008 | US20080246427 Electromechanical Drive System, in Particular For Progressive Cavity Pumps For Oil Wells |
| 10/09/2008 | DE102008000139A1 Motorantriebsschaltung und Ventilsteuerzeiten-Steuerungssystem Motor drive circuit and valve timing control system |
| 10/09/2008 | DE102007015937A1 Monitoring method for examining circuits, and for error recognition of microprocessors in controllers of motor vehicle, involves monitoring with multiple electrical load that is supplied by common or multiple voltage supply |
| 10/08/2008 | EP1977492A1 Protective device having a circuit breaker, in particular a low-voltage circuit breaker |
| 10/08/2008 | EP1977091A2 Miniature electric power generator and system and method for controlling a miniature electric power generator |
| 10/08/2008 | CN201130863Y Charger circuit for automobile |
| 10/08/2008 | CN201130860Y Built-in converting station multi-cycle dynamic electric energy quality on-line analysis apparatus |
| 10/08/2008 | CN201130859Y Generator lightning protection protection system for wind generator set |
| 10/08/2008 | CN201130858Y Overvoltage protection circuit |
| 10/08/2008 | CN201130852Y Relay protection intelligentized check apparatus for power system |
| 10/08/2008 | CN201130851Y Automatic safety device for low-voltage drawer switch cabinet |
| 10/08/2008 | CN201130850Y 多功能电机保护器 Multifunction motor protection |
| 10/08/2008 | CN201130849Y Abnormal condition protected unit system for wind cooling system |
| 10/08/2008 | CN201130848Y Control type aftercurrent motion protector and anti-theft device |
| 10/08/2008 | CN201129292Y Air compressing engine explosion suppression safe electric-controlled system |
| 10/08/2008 | CN101282080A Power supply converter |
| 10/08/2008 | CN101282078A Method and apparatus for power converter fault condition detection |
| 10/08/2008 | CN101282077A Power supply converter capable of protecting input low-voltage |
| 10/08/2008 | CN101282056A Device for protecting temperature of brushless dc motor |
| 10/08/2008 | CN101282037A Protection method for heterophase short-circuit of tractive power supply system |
| 10/08/2008 | CN101282036A Overcurrent protection circuit for discharging electricity |
| 10/08/2008 | CN101279597A Single power supply control system for automobile |
| 10/08/2008 | CN100424961C Cordless power tool with tool identification circuitry |
| 10/08/2008 | CN100424956C Fault tolerant re-judging negative sequence direction locking type longitudinal zero voltage inter-turn protection for generator |
| 10/08/2008 | CN100424955C Variable slope differential ratio protection method |
| 10/08/2008 | CN100424378C Actuator control system |
| 10/07/2008 | US7433170 Apparatus and method of controlling the closing action of a contactor |
| 10/07/2008 | US7433167 Strike ring based electrostatic discharge protection |
| 10/07/2008 | US7433164 Ceiling fan motor control module |
| 10/07/2008 | US7432766 Front end for an instrumentation amplifier |
| 10/07/2008 | US7432686 Wind turbine generator apparatus with utility fault ride-through capability |
| 10/07/2008 | US7432682 Stepper motor stop and stalling detection method, and stop-detector-equipped stepper motor |
| 10/07/2008 | US7432609 Exhaust gas-driven generator system and method of controlling electrical system |
| 10/02/2008 | WO2008117306A2 Distribution transformer monitoring system |
| 10/02/2008 | US20080239603 Battery protection circuit for lithium cabon monofluoride battery |
| 10/02/2008 | US20080239595 Electronic ground detection apparatus for use on ground detector ring of power generating system |
| 10/02/2008 | US20080239594 Motor Lock Detection Circuit |