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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08/11/2010 | CN201549877U Over-voltage protection circuit of Integrated automation substation secondary system |
08/11/2010 | CN201549876U Energy storage capacitor-based power-off continuous protection circuit for contactor |
08/11/2010 | CN201549875U Battery protection device, battery and terminal device |
08/11/2010 | CN201549874U Speed regulating branch circuit control cabinet protecting device for vibration motor |
08/11/2010 | CN201549873U Novel cutoff misphase protector of electric hoist |
08/11/2010 | CN201549872U Heating protective circuit |
08/11/2010 | CN201549871U Failure detection and protection device for SVC system |
08/11/2010 | CN201547513U Hand-held project searchlight |
08/11/2010 | CN201541473U Mower |
08/11/2010 | CN101800511A Single-phase motor-driving device with energy saving module |
08/11/2010 | CN101800510A 风力发电系统 Wind power generation system |
08/11/2010 | CN101800443A Electric power on-site monitoring equipment |
08/11/2010 | CN101800425A Environmental conditioning system |
08/11/2010 | CN101800419A Single-phase adaptive reclosure and implementation method thereof |
08/11/2010 | CN101800418A Protection circuit for battery pack and battery pack with the same |
08/11/2010 | CN101800417A Method and apparatus for conditional response to a fault condition in a switching power supply |
08/11/2010 | CN101800416A Transverse differential protection method of neutral point of electric furnace transformer |
08/11/2010 | CN101800415A Longitudinal differential protection method of electric furnace transformer |
08/11/2010 | CN101800414A Method for judging and protecting low voltage in transformer short circuit fault |
08/11/2010 | CN101800413A AC dump exception processing method of synchronization unit |
08/11/2010 | CN101800401A Power supply and distribution methods of low-voltage system |
08/11/2010 | CN101799518A Online monitoring and grounding protection methods of insulation of generator stator core tightening screw rods |
08/11/2010 | CN101799491A Multi-cell battery pack protection circuit |
08/11/2010 | CN101399443B Electric grid breaking point request method for enhancing protection fixed value integration performance of electric grid |
08/11/2010 | CN101399442B Two-stage protection method for lithium ionic battery pack and circuit thereof |
08/10/2010 | US7773394 Digital latch control circuit for over-voltage protection and power converter using the control circuit |
08/10/2010 | US7773351 Motor control microcomputer and control method for the same |
08/10/2010 | US7773350 Fault condition protection |
08/10/2010 | US7772857 System and method to determine the impedance of a disconnected electrical facility |
08/10/2010 | US7772824 Control method for adjusting leading edge blanking time in power converting system |
08/10/2010 | CA2367584C Pump controller |
08/05/2010 | WO2010087661A2 Portable auxiliary power-source device for a vehicle |
08/05/2010 | WO2010086123A1 Controller for a window winder drive |
08/05/2010 | WO2010086054A1 Method and apparatus for an overload detection in battery-operated devices having an electric motor |
08/05/2010 | WO2010044877A3 Life safety device with extended shelf life |
08/05/2010 | US20100195357 Method and apparatus for determining a corrected monitoring voltage |
08/05/2010 | US20100194324 Stator turn fault detection apparatus and method for induction machine |
08/05/2010 | US20100194323 Robust on line stator turn fault identification system |
08/05/2010 | US20100194322 Electric vehicle controller |
08/05/2010 | DE10106944B4 Verfahren zur Temperaturregelung einer elektrischen Maschine Method for controlling the temperature of an electrical machine |
08/04/2010 | EP2214280A1 A driving circuit for a DC load |
08/04/2010 | EP2213822A2 Device for translatory or rotational movement of loads |
08/04/2010 | EP2212979A1 Electric hand tool |
08/04/2010 | EP2013966B1 Control unit for an electric motor, in particular for a fan motor |
08/04/2010 | CN201541233U Constant-direction output drive system for bidirectional variable-speed electric motor |
08/04/2010 | CN201541232U Two-way drive device with different speed ratios by two-way input of electric motor |
08/04/2010 | CN201541222U energy-saving motor starter |
08/04/2010 | CN201541219U Automatic control circuit of motor |
08/04/2010 | CN201541131U Intelligent powerless compensation device of high-voltage line |
08/04/2010 | CN201541126U Lightning protection system for solar power generating device |
08/04/2010 | CN201541123U Single-phase fault line selection device of 35kV low current ground system |
08/04/2010 | CN201541122U Protective device with thin structure |
08/04/2010 | CN201541121U Bidirectional thyristor protection circuit |
08/04/2010 | CN201541120U Load switch protective device |
08/04/2010 | CN201541119U Transformer neutral point gap earth protective device |
08/04/2010 | CN101796719A Electric motor control |
08/04/2010 | CN101796702A Method and system for limiting a current in an alternating current generator |
08/04/2010 | CN101795108A Excitation control system for giant machine set |
08/04/2010 | CN101795015A Intelligent charging system and charging method of power car lithium battery pack |
08/04/2010 | CN101795010A Lithium battery protection circuit and protection method thereof |
08/04/2010 | CN101794988A Method for detecting piconet island state |
08/04/2010 | CN101794987A Protective circuit arrangement |
08/04/2010 | CN101794986A Line test device and test method of direct-current traction power supply switch cabinet |
08/04/2010 | CN101794985A High-voltage direct-current (HVDC) system battery charging protecting circuit structure |
08/04/2010 | CN101794984A Method for analyzing turn-to-turn fault of generator rotor based on multiloop model |
08/04/2010 | CN101794983A Safety automatic braking device of wind driven generator |
08/04/2010 | CN101791969A Electric control car controller |
08/03/2010 | US7768808 Integrated synchronous rectifier package |
08/03/2010 | US7768762 Design structure for an on-chip high frequency electro-static discharge device |
08/03/2010 | US7768750 Cordless power tool |
08/03/2010 | US7768242 DC/DC boost converter with resistorless current sensing |
07/29/2010 | WO2009134046A9 Safety switch for secondary battery for electric vehicle and charging/discharging system for secondary battery for electric vehicle using the same |
07/29/2010 | WO2009059852A3 Starting method for hybrid drives |
07/29/2010 | US20100188032 Motor speed controller |
07/29/2010 | US20100188002 Overvoltage protection for current limiting circuits in led applications |
07/29/2010 | DE202010004548U1 Funktionseinheit zur Steuerung und/oder Überwachung eines Antriebs Functional unit for controlling and / or monitoring of a drive |
07/29/2010 | DE102010000852A1 Verfahren zum Betrieb eines bürstenlosen Motors A method for operating a brushless motor |
07/29/2010 | DE102009005789A1 Surge arrester for protection of electrical low voltage system and -device in e.g. building installation, has monitoring unit with magnetic-field producing unit for producing magnetic field during detection of temporary overvoltage |
07/29/2010 | DE102009005715A1 Electrical consumer i.e. linear control device, controlling device for use in fan of motor vehicle, has control unit controlling gate electrodes, such that voltage drops over transistors are equal when load current is supplied to consumer |
07/28/2010 | EP2211449A2 Circuitry and methodology for protecting a boost dc/dc converter |
07/28/2010 | EP2210325A1 Method and arrangement for protecting, controlling or monitoring an electrical switchgear or power supply station |
07/28/2010 | CN201536329U 多功能救灾太阳能电站 Multifunction solar power station disaster |
07/28/2010 | CN201536326U 一种仪表开关电源 An instrument switching power supply |
07/28/2010 | CN201536322U Ac24v转dc12v的超微型电源转换模块 Ac24v turn dc12v ultra-miniature power conversion module |
07/28/2010 | CN201536267U 光伏户用直流电源 Household photovoltaic DC power |
07/28/2010 | CN201536257U 施工现场的视频服务器用ups系统 The construction site of a video server system with ups |
07/28/2010 | CN201536256U 电动机综合保护器 Motor Protector |
07/28/2010 | CN201536255U 发电机、电动机扫膛保护器 Generators, motors sweep bore protectors |
07/28/2010 | CN201536254U 电力变压器保护器 Power transformer protection |
07/28/2010 | CN201535925U 车载图象记录器 Vehicle-mounted image recorder |
07/28/2010 | CN1897385B Motor control apparatus |
07/28/2010 | CN1829035B Building electric fire hidden trouble alarm power distribution method and its circuit |
07/28/2010 | CN101789756A Bidirectional output driving system for bidirectional non-constant-speed electric motor |
07/28/2010 | CN101789755A Constant output driving system for bidirectional non-constant-speed electric motor |
07/28/2010 | CN101789754A Electric motor driving system with bidirectional input and constant output |
07/28/2010 | CN101789753A Electric motor two-direction input different-speed ratio two-direction driving device |
07/28/2010 | CN101789740A Control system of novel high sped brushless direct current grooved drum motor |
07/28/2010 | CN101789704A High-frequency switch rectifying power supply with wide-range direct current voltage output characteristic |
07/28/2010 | CN101789695A Power supply changeover method and circuit thereof |
07/28/2010 | CN101789618A Wind-solar compensation type solar energy power supply system |