| 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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| 03/31/2010 | CN201435009Y Intelligent localizer control device |
| 03/31/2010 | CN101689764A Battery state monitoring circuit and battery device |
| 03/31/2010 | CN101689763A Battery protection ic and battery device |
| 03/31/2010 | CN101688418A Method and device for detecting a jam |
| 03/31/2010 | CN101688355A a washer/dryer |
| 03/30/2010 | US7688558 Aircraft applicable circuit imbalance detection and circuit interrupter and packaging thereof |
| 03/30/2010 | US7688557 Control apparatus for transmission mechanism, transmission, vehicle provided therewith, method of controlling the transmission mechanism, and method of estimating heat value of electric motor in the transmission mechanism |
| 03/30/2010 | US7688556 Arc-discharge detection device |
| 03/30/2010 | US7688040 System and method for electric current and power monitoring and control of a generator |
| 03/30/2010 | US7688039 System and method for electric current and power monitoring and control of a generator |
| 03/30/2010 | US7687935 Electrical power control system |
| 03/30/2010 | US7686074 Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges |
| 03/25/2010 | US20100076638 Power converter |
| 03/25/2010 | US20100073973 Device for protection of power factor correction in three phase power supply and control method thereof |
| 03/25/2010 | US20100072929 Motor Control Device |
| 03/25/2010 | DE102008047256A1 Method for disconnecting current during high voltage with disconnecting unit, involves controlling flowing current of controlling medium by backup units |
| 03/24/2010 | EP2166642A1 Battery state monitoring circuit and battery device |
| 03/24/2010 | EP2166635A1 Current measurement in an inverter unit and a frequency converter |
| 03/24/2010 | CN201430562Y High voltage anti-explosion soft starter with intrinsic safety operating characteristics |
| 03/24/2010 | CN201430560Y High voltage soft starter with optical fiber isolation function |
| 03/24/2010 | CN201430542Y Solar inverted power supply |
| 03/24/2010 | CN201430435Y Novel surge protector |
| 03/24/2010 | CN201430432Y Novel surge protector |
| 03/24/2010 | CN201430431Y Novel surge protector |
| 03/24/2010 | CN201430430Y Novel surge protector |
| 03/24/2010 | CN201430425Y Surge protector used for end equipment |
| 03/24/2010 | CN201430422Y Microcomputer type automatic frequency and voltage control device |
| 03/24/2010 | CN201430421Y Three-phase asynchronous motor open-phase protector |
| 03/24/2010 | CN201430420Y Motor phase failure and overload protector |
| 03/24/2010 | CN201430419Y Monitoring and protecting device of AC motor |
| 03/24/2010 | CN201430418Y Voltage analogue output device of motor protector |
| 03/24/2010 | CN201430417Y Automatic anti-burnout protection device of low-voltage distribution transformer |
| 03/24/2010 | CN101682287A Method for controlling a rotary electric machine in case of load shedding and corresponding power control module |
| 03/24/2010 | CN101682187A Circuit arrangement comprising at least two capacitors that are connected in series |
| 03/24/2010 | CN101682185A Method for determining an adjustment value indicating a ground impedance and measurement device |
| 03/24/2010 | CN101682094A Power storage unitand vehicle having power storage unit |
| 03/24/2010 | CN101677183A Self-adaptive master-slave positioning method for three-terminal differential protection |
| 03/24/2010 | CN101677182A Battery protector with internal resistance compensation |
| 03/24/2010 | CN100595991C Transmission line single phase self-adapting reclose implementing method based on fault point |
| 03/24/2010 | CN100595990C Method for configuring PMU taking regard of high risk cascading failure path |
| 03/24/2010 | CN100595989C High-speed sampling interruptive angle locking differential protection numerical method |
| 03/23/2010 | US7684220 System and method providing over current and over power protection for power converter |
| 03/23/2010 | US7684219 Multiplexed DC voltage regulation output circuit having control circuit for stabilizing output voltages |
| 03/23/2010 | US7683503 Dead battery preventing device for preventing engine start failure of vehicle having economy running function and dead battery prevention method |
| 03/23/2010 | CA2354533C Intelligent power distribution network |
| 03/18/2010 | WO2010028579A1 Reversal connection protection circuit |
| 03/18/2010 | US20100067152 Abnormal current preventive circuit of dc-dc converter |
| 03/18/2010 | US20100066290 Voltage protecting apparatus |
| 03/18/2010 | US20100066288 Over-voltage and under-voltage management for electric drive system |
| 03/18/2010 | US20100066174 Semiconductor protection elements for controlling short circuits at the dc end of voltage source converters |
| 03/17/2010 | EP2164169A1 Electric motor control apparatus |
| 03/17/2010 | EP2163419A2 Electric traction chain for a rail vehicle |
| 03/17/2010 | EP2162964A1 Remote-operable micro-electromechanical system based over-current protection apparatus |
| 03/17/2010 | CN201426039Y Centralized control and protection device for TRT and GIS combined electric appliance |
| 03/17/2010 | CN201426038Y Switch power over-voltage protection circuit |
| 03/17/2010 | CN201426037Y Novel high-frequency switch power supply arc striking circuit structure |
| 03/17/2010 | CN201426036Y Direct current voltage protection circuit |
| 03/17/2010 | CN201426035Y Universal protection device for electric power system |
| 03/17/2010 | CN101674025A Multiplexed output auxiliary switch power source powered by commercial power and battery |
| 03/17/2010 | CN101673982A Improved structure for three-phase alternating current motor |
| 03/17/2010 | CN101673951A Thyristor valve triggering and monitoring system |
| 03/17/2010 | CN101673947A Superconducting magnet room temperature shim power |
| 03/17/2010 | CN101673942A Positive-negative sequence current differential protection method |
| 03/17/2010 | CN101673941A Zero sequence current differential protection method |
| 03/17/2010 | CN101673940A Distance protection method |
| 03/17/2010 | CN101673939A Multifunctional relay protection method |
| 03/17/2010 | CN101673938A Output short-circuit soft-restoration control circuit and application thereof in DC-DC converter |
| 03/17/2010 | CN101673937A Surge interference identification method during differential protection and differential protection method |
| 03/17/2010 | CN101673936A 保护系统 Protection system |
| 03/17/2010 | CN101673927A Method for starting recloser of extra high-voltage transmission line |
| 03/16/2010 | US7680613 Battery management system (BMS) and driving method thereof |
| 03/16/2010 | US7680509 Transmission/reception integrated radio-frequency apparatus |
| 03/16/2010 | US7679344 Microprocessor die with integrated voltage regulation control circuit |
| 03/16/2010 | US7679314 Multiple battery system for reliably supplying electrical energy to an electrical system |
| 03/16/2010 | US7679301 Movable barrier operator auto-force setting method and apparatus |
| 03/11/2010 | WO2010027555A1 Energy source isolation and protection circuit for an electronic device |
| 03/11/2010 | WO2010025758A1 Device having a converter |
| 03/11/2010 | US20100060222 Electric motor control apparatus |
| 03/11/2010 | US20100060221 Fan module and system |
| 03/11/2010 | US20100060219 Blower motor for hvac systems |
| 03/11/2010 | CA2736483A1 Battery charger |
| 03/10/2010 | EP2160832A1 Motor driver system and method of protecting motor driver |
| 03/10/2010 | CN201422099Y Inverter-overturning resistant seamless interchange motor speed regulating control system |
| 03/10/2010 | CN201422096Y Auxiliary power control unit for generator |
| 03/10/2010 | CN201422090Y Soft starter with PROFIBUS-DP communication function |
| 03/10/2010 | CN201422075Y High-frequency switch power module |
| 03/10/2010 | CN201421014Y Lighting device used for shelter interface window |
| 03/10/2010 | CN101667726A Positive sequence current differential protection method |
| 03/10/2010 | CN101667725A Open-circuit protecting device for internal feedback motor rotor |
| 03/10/2010 | CN101667724A De-excitation device |
| 03/10/2010 | CN101667723A Solar photovoltaic generating protective device |
| 03/10/2010 | CN100593891C Current protection control method and device for 24kV vacuum breaker |
| 03/09/2010 | US7675728 Fire safe arrester isolator |
| 03/09/2010 | US7675727 Protection circuit for power management semiconductor devices and power converter having the protection circuit |
| 03/09/2010 | US7675720 Motor protection using accurate slip calculations |
| 03/09/2010 | US7675719 Current limiting module and hybrid current limiter using different kinds of superconducting wires |
| 03/09/2010 | US7675261 Auxiliary battery attachment apparatus for use in a multiple battery system that reliably supplies electrical energy to an electrical system |
| 03/04/2010 | WO2010024100A1 Assembled battery, and control system for the assembled battery |
| 03/04/2010 | WO2010022559A1 Method and apparatus for fault identification in a power transmission line |
| 03/04/2010 | WO2010003835A3 High-speed circuit breaker for a high-performance battery in an isolated direct current network |