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