| 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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| 06/12/2012 | US8199451 ESD protection device and composite electronic component of the same |
| 06/12/2012 | US8199450 ESD protection utilizing radiated thermal relief |
| 06/12/2012 | US8198942 Integrated thermoelectric protection circuit for depletion mode power amplifiers |
| 06/12/2012 | US8198870 System and method for performing ultracapacitor cell balancing |
| 06/12/2012 | US8198865 Trailer tow method for controlling charging |
| 06/12/2012 | CA2757135A1 Synchronous rectified switch with auto fault clearing |
| 06/12/2012 | CA2616319C A relay-to-relay direct communication system and method in an electric power system |
| 06/11/2012 | CA2756901A1 Synchronous rectified pwm regulator with auto fault clearing |
| 06/08/2012 | CA2760888A1 Fault-ride-through method, converter and power generating unit for a wind turbine |
| 06/07/2012 | WO2012072277A1 Photovoltaic installation |
| 06/07/2012 | WO2012071953A1 Method for identifying safety precaution and control candidate measure collection of self-adaptive external-environmental electric power system |
| 06/07/2012 | WO2012050462A3 Improvements in and relating to hybrid power supply applications |
| 06/07/2012 | WO2012047605A3 Systems and methods for protecting three-phase motors |
| 06/07/2012 | US20120139463 Power supply module for hall sensorless brushless direct current motor |
| 06/07/2012 | US20120139435 Method for Controlling a Voltage Transformer for Overvoltage Protection, Voltage Transformer and Operating Device having a Voltage Transformer |
| 06/06/2012 | EP2461459A2 Control system |
| 06/06/2012 | EP2460056A1 Method and device for monitoring a motion quantity on an electric drive in an error-proof manner |
| 06/06/2012 | EP2460023A1 Method and system for monitoring a cable system of an electric power transmission system |
| 06/06/2012 | DE102010062377A1 Wechselrichteranordnung und Verfahren zum Detektieren eines Brückenkurzschlusses in einem Halbbrückenzweig eines Wechselrichters Inverter assembly and method for detecting a bridge short circuit in a half bridge arm of an inverter |
| 06/06/2012 | DE102010053098A1 Method for monitoring rotor position sensor, involves reading rotor position signal and reading voltage signal and current signal, where error signal for rotor position signal is determined from rotor position signal and voltage signal |
| 06/06/2012 | DE102010051522A1 Method of operating control unit used in motor vehicle, involves generating activation signal based on occurrence of predetermined event and activating activation signal respect to predetermined component of control unit |
| 06/06/2012 | CN202268689U 一种汽车电池过度放电保护器 An automobile battery over-discharge protection |
| 06/06/2012 | CN202268688U Safety circuit of battery pack |
| 06/06/2012 | CN202268687U 一种分组输出保护电路 A packet output protection circuit |
| 06/06/2012 | CN202268686U IGBT (Insulated Gate Bipolar Transistor) drive board for frequency converter |
| 06/06/2012 | CN202268685U 谐振半桥变换器保护电路 Resonant half-bridge converter protection circuit |
| 06/06/2012 | CN202268684U 一种电机驱动控制器接线端子的过热保护装置 A motor overheat protection device drive controller terminals |
| 06/06/2012 | CN202268683U 一种电机过流保护电路 A motor over-current protection circuit |
| 06/06/2012 | CN202268682U 低压电动机保护控制器 Low-voltage motor protection controller |
| 06/06/2012 | CN202268681U Under-voltage and over-current protection device for three-phase generating set |
| 06/06/2012 | CN202268680U 电动机保险自动切换装置 Motor insurance automatic switching devices |
| 06/06/2012 | CN202268679U 一种潜水泵电动机的测量保护装置 Measuring apparatus for protecting submersible pump motor |
| 06/06/2012 | CN202268639U 箱式变电站 Substations |
| 06/06/2012 | CN102487210A Electric tool and control method thereof |
| 06/06/2012 | CN102487193A Self-powered overcurrent protection device |
| 06/06/2012 | CN102487192A Direct current converted valve compound test heavy current protection withdraw apparatus |
| 06/06/2012 | CN102487191A Motor overheating protection relay |
| 06/06/2012 | CN102487190A High-voltage side protection device of transformer |
| 06/06/2012 | CN102486981A Method for enhancing trip-out reliability of direct current breaker and raising trip-out speed of direct current breaker |
| 06/06/2012 | CN101814729B Busbar protection identification method for automatically identifying running mode of duplicate busbar device |
| 06/06/2012 | CN101719657B System and method for simulating internal fault of electric generator |
| 06/06/2012 | CN101710695B Wave-following current-limiting method and device of switching tube of uninterruptible power supply |
| 06/06/2012 | CN101699686B Protection device of switch power supply and method thereof |
| 06/06/2012 | CN101499272B Novel electronic loudspeaker for automobile |
| 06/06/2012 | CN101345173B Group insulation module and switching gear assembly with such a group insulation module |
| 06/06/2012 | CN101212136B Method and device for operating relay device |
| 06/06/2012 | CN101197499B Method for actuating the motor of a battery driven tool and the tool |
| 06/06/2012 | CN101165988B Power distribution systems |
| 06/05/2012 | US8193782 Abnormality detection apparatus |
| 05/31/2012 | WO2012000508A3 Wind turbine |
| 05/31/2012 | US20120134061 Apparatus, system, and method for creating one or more slow-speed communications channels utilizing a real-time communication channel |
| 05/31/2012 | US20120133313 System And Method For Estimating A Generator Rotor Temperature In An Electric Drive Machine |
| 05/30/2012 | EP2458702A1 Intrinsically safe d.c. converter |
| 05/30/2012 | EP1681753B1 Overheat protection device and electrical system having the same |
| 05/30/2012 | CN202261920U Step-up type LED torch |
| 05/30/2012 | CN202261140U Built-in temperature protection toy direct current motor drive circuit |
| 05/30/2012 | CN202261127U PWM (pulse-width modulation) output and protection circuit of motor-driven forklift alternative-current servocontrol system |
| 05/30/2012 | CN202261121U Motor protection Y-delta starting box |
| 05/30/2012 | CN202261120U Intelligent crusher electrical cabinet |
| 05/30/2012 | CN202261037U Frequency converter |
| 05/30/2012 | CN202261029U Switch power supply circuit with overvoltage protection |
| 05/30/2012 | CN202260876U Motor structure for automobile power window |
| 05/30/2012 | CN202260568U Battery protection management device capable of controlling discharging protection by wireless transmission |
| 05/30/2012 | CN202260545U Standby energy storage power management system for coal mine electronic equipment |
| 05/30/2012 | CN202260535U Mobile power supply with electric quantity detection function |
| 05/30/2012 | CN202260499U Solar power supply controller |
| 05/30/2012 | CN202260425U Master-slave type double-side inter-tripping device adopting control cable transmission way |
| 05/30/2012 | CN202260424U Mining optical longitudinal override trip protection device |
| 05/30/2012 | CN202260423U Power distribution protector |
| 05/30/2012 | CN202260422U Induction type high voltage display locking device |
| 05/30/2012 | CN202260421U Closing protection device for circuit breaker |
| 05/30/2012 | CN202260420U Protection circuit for opening and closing coils |
| 05/30/2012 | CN202260419U Digital type bus-bar protection device |
| 05/30/2012 | CN202260418U Residual current protection circuit |
| 05/30/2012 | CN202260417U Light-emitting diode protective circuit |
| 05/30/2012 | CN202260416U Overcharging protector of storage battery |
| 05/30/2012 | CN202260415U Control device for low-voltage power-off protection |
| 05/30/2012 | CN202260414U Over-charging protection circuit for power lithium ion battery |
| 05/30/2012 | CN202260413U Mine lamp battery protection circuit |
| 05/30/2012 | CN202260412U Online monitoring and maintaining charging switch gear of lithium iron phosphate battery pack in communication base station |
| 05/30/2012 | CN202260411U Protection plate special for iron phosphate lithium batteries |
| 05/30/2012 | CN202260410U Digital capacitor protection device |
| 05/30/2012 | CN202260409U Power capacitor protection device |
| 05/30/2012 | CN202260408U Ball flashing and grinding machine tool main motor intelligent real time monitoring protection system |
| 05/30/2012 | CN202260407U Electronic thermal relay control device |
| 05/30/2012 | CN202260406U High-voltage asynchronous motor protection device |
| 05/30/2012 | CN202260405U Protective device for temperature of high-voltage motor |
| 05/30/2012 | CN202260404U Protection controller for low-tension motor |
| 05/30/2012 | CN202260403U Digital electromotor protecting device |
| 05/30/2012 | CN202260402U Protection, measurement and control device for motor |
| 05/30/2012 | CN202260401U Motor protection device |
| 05/30/2012 | CN202260400U Modularized electromotor protector with communication redundancy function |
| 05/30/2012 | CN202260399U Wind driven generation measuring and protecting device |
| 05/30/2012 | CN202260398U Generator control panel |
| 05/30/2012 | CN202260397U Remote current overload monitoring alarming device for neutral line of distribution transformer |
| 05/30/2012 | CN202260396U Non-electric protection equipment for converter transformer |
| 05/30/2012 | CN202260395U Full-stop tripping protection circuit of transformer cooler |
| 05/30/2012 | CN202260394U Current transformer secondary side overvoltage protection device |
| 05/30/2012 | CN202258748U Mining explosion-proof transformer with sensor alarm system |
| 05/30/2012 | CN102484365A 故障相选择和故障类型确定的方法 Fault phase selection and fault type determines the method |