| 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) |
|---|
| 07/25/2012 | CN102611078A Portable electronic device and method for adjusting system performance thereof |
| 07/25/2012 | CN102611077A Car door window motor lock-rotor protection method and system |
| 07/25/2012 | CN102611076A Electric water pump intelligent monitoring protection device |
| 07/25/2012 | CN102611075A Smart monitoring protective device of electric water pump with liquid level control |
| 07/25/2012 | CN102610261A Shared memory architecture for protection of electrical distribution equipment |
| 07/25/2012 | CN102607688A Electronic weigher with solar power supply function |
| 07/25/2012 | CN101917153B Intelligent motor control system |
| 07/25/2012 | CN101895093B External force overload protector of ship outfitting numerical control cutting machine |
| 07/25/2012 | CN101854056B Neutral bus switch protection health pole action strategy and counting shutdown method thereof |
| 07/25/2012 | CN101854052B Sampling data passageway switching method and device in main transformer protection of digitalized substation |
| 07/25/2012 | CN101800511B Single-phase motor-driving device with energy saving module |
| 07/25/2012 | CN101651333B Delay time control circuit for reducing delay time in battery protector |
| 07/25/2012 | CN101507073B Protective circuit for protection of an appliance, in particular an electric motor, against thermal overloading |
| 07/25/2012 | CN101496508B Motor control device of electric fishing reel |
| 07/25/2012 | CN101060744B Method and circuit for short-circuit and over-current protection in a discharge lamp system |
| 07/24/2012 | US8228694 Converter station and a method for control thereof |
| 07/24/2012 | US8228648 Compressor protection and grid fault detection device |
| 07/24/2012 | US8228647 Electrical power diagnostic system |
| 07/24/2012 | US8228645 Systems and methods for protecting a series capacitor bank |
| 07/24/2012 | US8227929 Multi-use energy storage for renewable sources |
| 07/24/2012 | US8227101 Power storage unit with coolant resistivity detector |
| 07/24/2012 | CA2636686C Transformer operation control apparatus and method for suppressing magnetizing inrush current |
| 07/19/2012 | WO2012095738A1 Accessory module providing a zone selective interlocking interface external to a trip unit, and system and circuit interrupter including the same |
| 07/19/2012 | US20120182772 Power conversion apparatus |
| 07/19/2012 | US20120182771 Converter with active fault current limitation |
| 07/19/2012 | US20120182649 Motor Drive Circuit |
| 07/19/2012 | US20120182648 Overvoltage limiter in an aircraft electrical power generation system |
| 07/19/2012 | US20120181961 Power converting apparatus for electric vehicle |
| 07/19/2012 | DE102011002870A1 Verfahren zum Betreiben eines Schaltfelds einer elektrischen Schaltanlage A method of operating a switching field of an electrical switchgear |
| 07/19/2012 | CA2823285A1 Accessory module providing a zone selective interlocking interface external to a trip unit, and system and circuit interrupter including the same |
| 07/18/2012 | EP2477295A2 Method for limiting a rectifier voltage and circuitry for the same |
| 07/18/2012 | EP2477294A1 Overvoltage limiter in an aircraft electrical power generation system |
| 07/18/2012 | EP2477292A1 Automatic reset discrimination system and method for a self powered electronic protection device |
| 07/18/2012 | EP2476180A2 Method and apparatus for charging a battery |
| 07/18/2012 | EP2476174A1 Systems and methods for polyphase alternating current transformer inrush current limiting |
| 07/18/2012 | EP2476003A1 Topology surveying a series of capacitors |
| 07/18/2012 | CN202340192U 带有监测功能的变频电源 Frequency power with monitoring function |
| 07/18/2012 | CN202340120U 一种车辆电源自动识别保护电路 A vehicle power supply protection circuit automatic identification |
| 07/18/2012 | CN202340119U 三相电动机构断相保护电路 Three-phase motor drive phase protection circuit |
| 07/18/2012 | CN102598491A Inverter |
| 07/18/2012 | CN102598453A Method for operating a closing device of a motor vehicle and a closing device |
| 07/18/2012 | CN102595731A Light-dimming LED controller and output short-circuit protection method thereof |
| 07/18/2012 | CN102595274A High-fidelity (Hi-fi) plastic shell sound box system with storage battery |
| 07/18/2012 | CN102594234A Speed regulation driving integrated circuit for single-phase brushless direct current fan |
| 07/18/2012 | CN102594229A High-power three-phase brushless direct-current motor control module and packaging of control module |
| 07/18/2012 | CN102594226A Non-contact reversing contactor |
| 07/18/2012 | CN102594104A Digital intelligent driving device of high-power IGBT (insulated gate bipolar translator) |
| 07/18/2012 | CN102593924A Charger circuit with automatic polarity identification function |
| 07/18/2012 | CN102593921A Electric vehicle charging device with battery detection function |
| 07/18/2012 | CN102593888A Storage battery balanced charging and discharging control system |
| 07/18/2012 | CN102593869A H full-bridge conversion type micro-inverter grid connecting device |
| 07/18/2012 | CN102593818A Circuit for preventing battery from being reversely connected |
| 07/18/2012 | CN102593808A System for grounding neutral point by using combination of reactor and resistors |
| 07/18/2012 | CN102593802A Three-phase variable leakage current protective device |
| 07/18/2012 | CN102593801A Split-phase differential protection method based on scalar product brake criterion normalization |
| 07/18/2012 | CN102593800A Zero-time-limit override tripping prevention system for factories and mines |
| 07/18/2012 | CN102593799A Relay protection circuit |
| 07/18/2012 | CN102593798A Comprehensive relay protection method applied to intelligent switch |
| 07/18/2012 | CN102593797A Topological structure-based differential combination method |
| 07/18/2012 | CN102593796A Thyristor valve triggering type overvoltage protection device |
| 07/18/2012 | CN102593795A Multi-string high-power lithium battery control board |
| 07/18/2012 | CN102593794A Output current transient protection circuit for electric steering engine |
| 07/18/2012 | CN102593793A Motor integrated protector |
| 07/18/2012 | CN102593792A Built-in circuit breaker for oil-immersed transformer |
| 07/18/2012 | CN102592808A On-load tap switch and operating method thereof |
| 07/18/2012 | CN102592807A On-load tap switch of saturable reactor with switch characteristics |
| 07/18/2012 | CN102591386A Full-automatic single-phase voltage stabilized power supply device |
| 07/18/2012 | CN102590698A Small current grounding line selection device and control method of voltage disturbance locked line selection |
| 07/18/2012 | CN101980419B Automatic control device for vacuum circuit breaker on electric distribution network |
| 07/18/2012 | CN101877545B Power module |
| 07/18/2012 | CN101867179B Relay protection entire network optimal constant value automatic adjusting and coordinating method |
| 07/18/2012 | CN101860252B Three-level converter for optimizing device overcurrent protection and enlarging system safety operation area |
| 07/18/2012 | CN101841151B Method for automatically switching power frequency protection fixed values |
| 07/18/2012 | CN101841148B Method for judging pulse-losing faults of converter valves |
| 07/18/2012 | CN101826719B Trip-proof lockout microcomputer protection system |
| 07/18/2012 | CN101814726B Battery discharge prevention circuit |
| 07/18/2012 | CN101807827B Digital motor |
| 07/18/2012 | CN101795010B Lithium battery protection method |
| 07/18/2012 | CN101791969B Electric control car controller |
| 07/18/2012 | CN101752828B Low-voltage protection device |
| 07/18/2012 | CN101604849B Charge unit as well as combination of charge unit and battery pack |
| 07/18/2012 | CN101557012B Battery pack |
| 07/18/2012 | CN101517852B 放电器和放电控制方法 Discharger and discharge control method |
| 07/18/2012 | CN101385213B Establishing switchyard zones of a high or medium voltage switchyard |
| 07/18/2012 | CN101316042B Safety control system for backup battery interface of medical equipment |
| 07/18/2012 | CN101308921B Power supply apparatus |
| 07/18/2012 | CN101262128B Temperature release device |
| 07/18/2012 | CN101227159B Micro-electromechanical system based electric motor starter |
| 07/17/2012 | USRE43516 Fault detection for loss of feedback in forced switching power supplies |
| 07/17/2012 | US8223465 Surge current detection in a switch by detecting change in a duty cycle |
| 07/17/2012 | US8222960 RF power amplifier |
| 07/17/2012 | US8222850 Overload protection device for motor |
| 07/17/2012 | US8222846 Output circuit |
| 07/11/2012 | EP2474077A1 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses |
| 07/11/2012 | EP2474076A1 A method of fault phase selection and fault type determination |
| 07/11/2012 | EP2473863A1 Open phase detection system and method for three-phase motor |
| 07/11/2012 | CN202334433U 粗纱机电机控制回路 Roving machine motor control circuit |
| 07/11/2012 | CN202334427U 起重专用节能电机及调速系统 Lifting special energy-saving motors and speed control system |
| 07/11/2012 | CN202334409U 矿用双输出变频器 Mine dual output inverter |
| 07/11/2012 | CN202334406U 结构改进的一体式电机起动、保护器 Structural improvements integral motor starter protector |