| 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) |
|---|
| 09/21/2011 | CN201985514U LAST CB (circuit breaker) protection loop for alternating current filter (ACF) of convertor station |
| 09/21/2011 | CN201985513U 基于数字控制电位器技术的过流速断保护电路 Technology based on digital control over the flow rate potentiometer circuit fault protection |
| 09/21/2011 | CN201985512U 一种电动汽车无线充电装置的过电流保护电路 An electric car wireless charging device overcurrent protection circuit |
| 09/21/2011 | CN201985511U 一种浪涌保护器的可控装置 A controllable device surge protector |
| 09/21/2011 | CN102197563A Failure diagnosis circuit, power supply device, and failure diagnosis method |
| 09/21/2011 | CN102195555A Servo system, servo motor driving device, safety unit and method for controlling servo system |
| 09/21/2011 | CN102195523A Intelligent solar photovoltaic power supply system |
| 09/21/2011 | CN102195327A Series-connection battery system with automatic bypass function |
| 09/21/2011 | CN102195303A Distributed multilayer battery management system and method |
| 09/21/2011 | CN102195302A Lithium battery controller for electric bicycle |
| 09/21/2011 | CN102195301A Energy-saving self-protection charger for electric vehicle |
| 09/21/2011 | CN102195286A Parallel-connection decoupling circuit for realizing parallel-connection direct-current network management |
| 09/21/2011 | CN102195279A Typical fault reconstruction method capable of processing fault of power system |
| 09/21/2011 | CN102195278A Solution for eliminating false grounding phenomenon of 10-35kV ungrounded running power grid |
| 09/21/2011 | CN102195277A Current differential protection method of transmission line based on fine compensation of capacitance current |
| 09/21/2011 | CN102195276A Method for acquiring set preparative quantity of DC (direct current) transmission relaying protection |
| 09/21/2011 | CN102195275A Protecting method of current change rate with self-adaptive output time-delay characteristic |
| 09/21/2011 | CN102195274A Distribution line fault detection control method and system |
| 09/21/2011 | CN102195273A Wire-breaking judgment method in voltage transformer loop |
| 09/21/2011 | CN102195272A Temperature protection system for electronic devices |
| 09/21/2011 | CN102195271A Device for reducing starting current of electronic equipment |
| 09/21/2011 | CN102195270A Over-charge and over-heat alarm protecting structure of soft-shell lithium battery |
| 09/21/2011 | CN102195269A Vehicle-mounted charger with drive motor function |
| 09/21/2011 | CN102195268A Integrated protector of alternating-current motor |
| 09/21/2011 | CN102195267A Early warning method of leading-phase depth of steam turbine generator |
| 09/21/2011 | CN102195266A Series resonant-type fault current limiter |
| 09/21/2011 | CN102189966A Regulating system of motor vehicle |
| 09/21/2011 | CN101645686B Drive control circuit for biofan |
| 09/21/2011 | CN101557099B Module power supply short-circuit protective circuit |
| 09/21/2011 | CN101414745B Motor protection device and method |
| 09/21/2011 | CN101267127B Single slice car electronic adjuster circuit |
| 09/20/2011 | US8024077 Smart transformer |
| 09/20/2011 | US8023295 Direct current (DC) to alternating current (AC) generation |
| 09/20/2011 | US8022677 Electrical device and operating method |
| 09/20/2011 | US8022653 Method and circuit arrangement for the electrical control and/or regulation of the movement of an electrically driven unit |
| 09/20/2011 | US8021190 Battery cable with provisions for integral circuit protection |
| 09/20/2011 | CA2206793C Method and device for preventing explosions and fires in electrical transformers |
| 09/15/2011 | US20110222191 Two Terminal Arc Suppressor |
| 09/15/2011 | US20110221369 Systems and methods for monitoring current in an electric motor |
| 09/15/2011 | DE102006008292B4 Überlastschutz für steuerbare Stromverbraucher Overload protection for controllable current consumer |
| 09/14/2011 | EP2365618A1 Power supply unit for protective devices that reduces medium voltage |
| 09/14/2011 | CN201976067U 一种风机变频控制装置 A fan on frequency control device |
| 09/14/2011 | CN201976066U 一种空压机变频控制装置 One kind of air compressor frequency control device |
| 09/14/2011 | CN201976054U 方波和正弦波电机控制系统 Square wave and sine wave motor control system |
| 09/14/2011 | CN201976053U 潜油永磁同步旋转电机控制系统 Submersible motor control system of permanent magnet synchronous rotation |
| 09/14/2011 | CN201976052U 潜油永磁同步直线电机控制系统 Submersible permanent magnet synchronous linear motor control system |
| 09/14/2011 | CN201976016U 一种交直流稳压电源 A cross-DC power supply |
| 09/14/2011 | CN201976015U 电子伺服变压器 Electronic servo transformer |
| 09/14/2011 | CN201976007U 太阳能电源双推挽振荡电子变压器 Solar power dual push-pull oscillating electronic transformers |
| 09/14/2011 | CN201976006U 太阳能电源推挽振荡电子变压器 Solar power push-pull oscillating electronic transformer |
| 09/14/2011 | CN201976004U 太阳能电源八桥振荡电子变压器 Solar Power Yatsuhashi oscillation electronic transformer |
| 09/14/2011 | CN201976003U 直流低压电源八桥振荡电子变压器 Low-voltage DC power supply eight bridge oscillating electronic transformer |
| 09/14/2011 | CN201976002U 太阳能电源双桥振荡电子变压器 Solar Power Shuangqiaoshan oscillating electronic transformer |
| 09/14/2011 | CN201976001U 太阳能电源桥式振荡电子变压器 Solar power electronic transformer bridge oscillation |
| 09/14/2011 | CN201976000U 太阳能电源八推挽振荡电子变压器 Solar power eight push-pull oscillating electronic transformers |
| 09/14/2011 | CN201975999U 直流低压电源八推挽振荡电子变压器 Low-voltage DC power supply eight push-pull oscillating electronic transformers |
| 09/14/2011 | CN201975998U 太阳能电源四推挽振荡电子变压器 Solar power four push-pull oscillating electronic transformers |
| 09/14/2011 | CN201975927U 一种热敏电阻型温控电路 A thermal resistance type temperature control circuit |
| 09/14/2011 | CN201975854U 隔爆兼本安型矿用不间断电源 Flameproof and intrinsically safe mine uninterruptible power supply |
| 09/14/2011 | CN201975849U Complementary power supply employing solar energy and mains supply |
| 09/14/2011 | CN201975841U 多功能智能充电器 Multifunctional smart charger |
| 09/14/2011 | CN201975827U 蓄电池充电保护电路 Battery charging protection circuit |
| 09/14/2011 | CN201975803U Controller for electricity generation by solar energy |
| 09/14/2011 | CN201975786U 一种低压直流供电压缩机驱动器防反接电路 A low-pressure compressor drive DC power supply anti-reverse circuit |
| 09/14/2011 | CN201975773U 一种开关电源工频滤波电容的过压保护电路 A switching power supply filter capacitor power frequency overvoltage protection circuit |
| 09/14/2011 | CN201975772U 导通型交流故障电流限制器 Conduction AC fault current limiter |
| 09/14/2011 | CN201975769U 低压配电中性线监控装置 Low-voltage distribution neutral line monitoring device |
| 09/14/2011 | CN201975768U 弧光监测保护装置 Arc monitoring and protection devices |
| 09/14/2011 | CN201975767U 锂电池充电放电的温度保护装置 Rechargeable lithium battery discharge temperature protection device |
| 09/14/2011 | CN201975766U 带反时限过流保护的大功率直流固态功率控制器 Inverse time overcurrent protection with high-power DC solid state power controller |
| 09/14/2011 | CN201975765U 变频器输入过电压保护装置 Inverter input over-voltage protection device |
| 09/14/2011 | CN201975764U Frequency converter load short circuit protection circuit for centrifugal machine |
| 09/14/2011 | CN201975763U 电动机的plc控制系统 Motor control system plc |
| 09/14/2011 | CN201975762U 无设定泵类无液防空转保护器 No set pump without liquid anti-slip protection |
| 09/14/2011 | CN201975761U 智能型控制保护开关 Intelligent control and protection switch |
| 09/14/2011 | CN201975760U 微机监控电机保护器 Computer monitor motor protector |
| 09/14/2011 | CN201975759U 一种变压器保护装置 A transformer protection devices |
| 09/14/2011 | CN201975758U 一种用于成套无源电力滤波器保护的谐波保护装置 Harmonic protection device for a suite of passive power filter protection |
| 09/14/2011 | CN102187567A Protection system of a doubly-fed induction machine |
| 09/14/2011 | CN102185557A Speed regulation control system of single-phase induction motor |
| 09/14/2011 | CN102185555A Digitalized alternating-current voltage and speed regulation device |
| 09/14/2011 | CN102185542A Intelligent motor controller |
| 09/14/2011 | CN102185516A High-voltage static generator |
| 09/14/2011 | CN102185510A Safety protective power system |
| 09/14/2011 | CN102185486A Smart meter auxiliary power supply with short-circuit protection function |
| 09/14/2011 | CN102185364A Electric vehicle storage battery charger with multiple protection functions |
| 09/14/2011 | CN102185353A Intelligent repair charging instrument |
| 09/14/2011 | CN102185348A Micro-electric energy collecting and converting circuit device |
| 09/14/2011 | CN102185300A On-spot feeder automation equipment and realizing method thereof |
| 09/14/2011 | CN102185299A Method and device for processing failures of multi-scheme distribution network |
| 09/14/2011 | CN102185298A Relay protection method for power supply circuit based on communication network |
| 09/14/2011 | CN102185297A Method for controlling system recovery based on network reconfiguration |
| 09/14/2011 | CN102185296A Selective electric leakage protection device and method for mine low-voltage power supply system |
| 09/14/2011 | CN102185295A Selective short-circuited protection device and method for mine low-voltage power supply system |
| 09/14/2011 | CN102185294A Wire microcomputer protection device based inrush discrimination technology |
| 09/14/2011 | CN102185293A Line fault tripping certainty factor analysis method |
| 09/14/2011 | CN102185292A Direct current longitudinal differential protection method for use in direct current high-voltage power transmission lines |
| 09/14/2011 | CN102185291A Island detection method and island detection system |
| 09/14/2011 | CN102185290A Self-recovering method of single-phase earth faults |
| 09/14/2011 | CN102185289A Bus coupler charging protection method and system |