Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
12/2010
12/22/2010CN101924351A Charging and discharging protection device and battery device
12/22/2010CN101924350A Battery protection circuit and LED lamp
12/22/2010CN101924349A Circuit for preventing reverse charging of battery
12/22/2010CN101924348A Control method for judging overload of converter transformer
12/22/2010CN101924345A Electrical switching apparatus providing coordinated opening with a circuit interrupter and method of operating the same
12/22/2010CN101924341A Abnormal protection device of positive-negative double power supply circuit
12/22/2010CN101923483A Simulated direct-current power transmission control protection system
12/22/2010CN101436776B Grounding and line selection method for low current grounding system
12/22/2010CN101383436B Battery charging method and apparatus
12/22/2010CN101369727B Route selection method aiming at electric arc ground fault
12/22/2010CN101252272B Anti-surging method of multi-load control system
12/21/2010US7855903 System and method for programming an internal parameter or feature in a power converter with a multi-function connector
12/21/2010US7855900 Method and arrangement in connection with half-controlled network bridge
12/21/2010CA2593903C Using dc transmission system for improving ac transmission stability, dispatch capability and power flow control
12/16/2010WO2010144584A2 Interconnection switching system and method for connecting a distributed energy resource to an electrical power system
12/16/2010WO2010142646A1 Fused protection circuit of an electric circuit
12/16/2010WO2010142525A1 Protection lockout in substation automation
12/16/2010WO2010117498A3 Battery cell protection and conditioning circuit and system
12/16/2010US20100315847 Component fault detection for use with a multi-phase dc-dc converter
12/16/2010US20100315846 Switching power supply and over-temperature protection method
12/16/2010US20100315751 Semiconductor device and manufacturing method of the same
12/16/2010DE202009005017U1 Elektromotorische Möbelantriebsanordnung Electromotive furniture drive arrangement
12/16/2010DE102010029596A1 Invertervorrichtung Inverter device
12/15/2010EP2262074A1 Protection lockout in substation automation
12/15/2010EP2262073A2 Safety system and method for pump and motor
12/15/2010CN201674418U Intelligent power supply converter and back-up power supply system
12/15/2010CN201674387U Silicon controlled frequency conversion apparatus
12/15/2010CN201674376U Brushless automobile engine starting motor
12/15/2010CN201674311U Heat-resistant submersible three-phase asynchronous motor
12/15/2010CN201674261U Intelligent battery charger
12/15/2010CN201674260U Intelligent charger
12/15/2010CN201674259U Charger with timer
12/15/2010CN201674254U Intelligent charging and discharging device for storage batteries
12/15/2010CN201674250U Battery pack charge-discharge protector
12/15/2010CN201674219U Intelligent arc-light protection device
12/15/2010CN201674218U General protection measuring and control device
12/15/2010CN201674217U Automatic protection photoelectric switch device
12/15/2010CN201674216U Electric bicycle lead-acid storage battery charging thermal runaway protector
12/15/2010CN201674215U High rotating speed current-limiting circuit of permanent magnet motor
12/15/2010CN201674214U Capacitor protector
12/15/2010CN201674213U Control circuit of switch type power supply
12/15/2010CN201674212U Overvoltage protection circuit of a switch power supply and its corresponding switch power supply
12/15/2010CN201674211U Anti-lock circuit of permanent magnet motor
12/15/2010CN201674210U Overheating protector of vibrator
12/15/2010CN201674209U Bottom-cross, reverse-control and time-base circuit
12/15/2010CN201674208U Water pump protecting circuit and massage pool with water pump
12/15/2010CN1928759B System and method for analog control of directional motors and other loads
12/15/2010CN101919149A Device arranged for converting an AC input voltage to a DC output voltage
12/15/2010CN101917153A Intelligent motor control system
12/15/2010CN101917116A Short circuit current controlling method and apparatus in switch mode DC/DC voltage regulators
12/15/2010CN101917055A Branch circuit similarity-based wide area backup protection method
12/15/2010CN101917045A Urban rail vehicle lead-acid storage battery with overvoltage protection circuit and overvoltage protection method thereof
12/15/2010CN101917035A Battery pack, battery protection processing apparatus, and startup control method of the battery protection processing apparatus
12/15/2010CN101917001A Fault sequencing method for on-line static security analysis of power system
12/15/2010CN101916994A Large through-flow frequency division and current-distribution type separator
12/15/2010CN101916989A Method for distinguishing effectiveness two-time continuous sampling values of electric power system
12/15/2010CN101916988A Intelligent protective loop framework system and intelligent protecting method of power supply looped network
12/15/2010CN101916987A Fast electric arc light protection method
12/15/2010CN101916986A Method and device for automatically isolating and positioning earth faults of Dc system
12/15/2010CN101916985A Monitoring method of IGBT collector overvoltage double protection
12/15/2010CN101916984A IGBT intelligent driving module for new energy automobile and control method thereof
12/15/2010CN101916983A Battery protection circuit and portable light
12/15/2010CN101916982A Judgement and protection method for open phase of frequency-conversion air conditioner compressor
12/15/2010CN101916981A Method for preventing motor rotation blockage of automotive electric trunk and position sensor used thereby
12/15/2010CN101916980A Interlock protection device and method for dry type transformer
12/15/2010CN101916979A Graded insulating neutral point integrated sealing clearance device of power transformer
12/15/2010CN101916978A Uninterrupted power supply (UPS) power-off controller for logging unit in emergency state
12/15/2010CN101165824B Multilayer capacitor
12/14/2010US7852026 Motor drive apparatus and motor drive control method
12/09/2010WO2010108923A3 Method and device for activating a control element of a drive apparatus, said control element having a response delay
12/09/2010US20100308763 Motor drive apparatus
12/09/2010US20100308762 Safety arrangement of a transport system
12/09/2010US20100308733 Apparatus and method for constant power offline led driver
12/09/2010DE102009022508A1 Safety-Schaltanlage für Solaranlagen Safety switchgear for solar systems
12/08/2010EP2259402A1 Device and method for the earth-fault protecttion
12/08/2010CN201667615U Power frequency high-voltage power supply control circuit
12/08/2010CN201667552U Battery heating apparatus
12/08/2010CN201667547U Lithium battery protection module with embedded programmable switch type charging function
12/08/2010CN201667538U Minitype electric network power supply system capable of preventing low-cycle sudden-power failure
12/08/2010CN201667535U Electric power system line protection observe and control apparatus
12/08/2010CN201667534U Side-road protection switching device
12/08/2010CN201667533U Automatic central signal resetting circuit of transformer substation
12/08/2010CN201667532U Intelligent battery pack with secondary protective function
12/08/2010CN201667531U Intelligent battery pack capable of preventing reversed charging
12/08/2010CN201667376U Intelligent battery pack with precharge function
12/08/2010CN201667266U Indoor single-phase discharge coil
12/08/2010CN201666214U Drive device of digital valve governor
12/08/2010CN201663811U Grass cutter
12/08/2010CN1953632B Opening protective circuit
12/08/2010CN101911421A Load restoration for feeder automation in electric power distribution systems
12/08/2010CN101911420A The circuit apparatus for protecting a pre-charge resistance using an inter-lock switch
12/08/2010CN101911419A Device and method for taking a safety precaution in an electrical tool
12/08/2010CN101910614A Parallel starting system
12/08/2010CN101909969A Method for the detection of a thermal overload situation in a hand-held power tool
12/08/2010CN101908851A Miniaturized crane safety starter
12/08/2010CN101908757A Device and method for the earth-fault protection
12/08/2010CN101908756A Charging protector
12/08/2010CN101908755A Overdischarge protector for battery
12/08/2010CN101908754A High-voltage isolation protective circuit
12/08/2010CN101908753A Current differential protection method automatically adaptive to variable frequency motor
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