| 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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| 09/30/2010 | DE112006003189T5 System und Verfahren zur Überspannungskontrolle für ein Energieversorgungssystem System and method for surge control for a power supply system |
| 09/29/2010 | EP2234236A1 Thermal overload relay with motor diagnostics |
| 09/29/2010 | EP2232664A1 Load restoration for feeder automation in electric power distribution systems |
| 09/29/2010 | EP2232663A1 Safety mechanisms, wake up and shutdown methods in distributed power installations |
| 09/29/2010 | EP2232662A1 The circuit apparatus for protecting a pre-charge resistance using an inter-lock switch |
| 09/29/2010 | CN201594805U Safety controller of mixing machine |
| 09/29/2010 | CN201594731U Intelligent photovoltaic array lightning-proof header box |
| 09/29/2010 | CN201594730U Abnormal high voltage protection circuit for power inputting |
| 09/29/2010 | CN201594729U Overcurrent and overload protective device of high-power voltage stabilizer |
| 09/29/2010 | CN201594133U Novel testing equipment for lithium ion battery protecting plates |
| 09/29/2010 | CN201593739U Solar amber light |
| 09/29/2010 | CN101849336A A method for managing a fault event in a network for distributing electrical energy, and a corresponding electronic protection unit |
| 09/29/2010 | CN101848593A Abnormal electronic ballast state protection circuit, electronic ballast and lamp |
| 09/29/2010 | CN101847964A Digital sinusoidal voltage amplitude-frequency coherent transducer |
| 09/29/2010 | CN101847962A Multifunctional voltage regulation module |
| 09/29/2010 | CN101847865A Electric network relay protection and fault analysis system |
| 09/29/2010 | CN101847864A High-speed synchronous data sampling method for power system relay protection device |
| 09/29/2010 | CN101847863A Relay protection method for double-circuit transmission lines on same tower |
| 09/29/2010 | CN101847862A Detachable moulded case circuit breaker with mandatory protection function |
| 09/29/2010 | CN101847861A Protection and repair circuit for lead acid storage battery |
| 09/29/2010 | CN101847305A All-around current electrical fire alarm monitor of 400V low-voltage distribution network |
| 09/29/2010 | CN101846729A Method and device for detecting overvoltage of power supply |
| 09/29/2010 | CN101846716A Method for quickly catching power grid fault start point |
| 09/29/2010 | CN101515715B WAN-based method for protecting feeder line containing distributed power |
| 09/29/2010 | CN101489071B System for preventing optical projection television from abnormal shutdown and implementing method thereof |
| 09/29/2010 | CN101436777B Relay protection monitoring system and method based on sensor network |
| 09/29/2010 | CN101425681B Relay protection on-line check method for electric grid system |
| 09/29/2010 | CN101387676B Large-sized transformer core and on-line monitoring and protecting system for insulaiton fault of clamps |
| 09/29/2010 | CN101299533B Reliability design method for large electric network safety steady cooperativeness defensive system |
| 09/29/2010 | CN101295865B Automatic emergency oil supply system of oil-filling cable |
| 09/29/2010 | CN101242097B Failure line selection method of small current ground system by using simulation after zero mode current measure |
| 09/29/2010 | CN101093936B Device for cutting off voltage of abnormal power supply |
| 09/29/2010 | CN101057262B Method and device for automatic systems designed to operate movable barriers |
| 09/29/2010 | CN101017973B Peak over-current protection of switch voltage stabilization power adjusting pipe |
| 09/28/2010 | US7804867 Apparatus for dissipating heat in electro-optical communications systems |
| 09/28/2010 | US7804254 Method and circuit for short-circuit and over-current protection in a discharge lamp system |
| 09/28/2010 | CA2327375C Electrical protector relay |
| 09/23/2010 | WO2010105738A1 Monitoring method and monitoring device for an electrostatic coating plant |
| 09/23/2010 | WO2009136975A3 Method and system for managing a power grid |
| 09/23/2010 | US20100237815 Apparatus for switching windings of ac three-phase motor |
| 09/23/2010 | DE102010012181A1 Controller for indoor installation of wire-bound remote control of drive arrangement, particularly tubing engine arrangement, collusion device or locking device, has transfer switch with electronic evaluation unit, which determines torque |
| 09/22/2010 | EP2230753A1 Component protection for a multi-level commutator |
| 09/22/2010 | EP2230740A2 Superconductive current limiter with magnetic field triggering |
| 09/22/2010 | EP2229307A1 Method for the detection of a thermal overload situation in a hand-held power tool |
| 09/22/2010 | CN201590798U Large-current speed regulating switch |
| 09/22/2010 | CN201590789U Vehicular motor current-limiting protection device |
| 09/22/2010 | CN201590769U Power-supply circuit of electromotor protector |
| 09/22/2010 | CN201590760U DC/DC power converter |
| 09/22/2010 | CN201590758U Protective device for power electronic module |
| 09/22/2010 | CN201590672U Portable solar energy integrated module power supply device |
| 09/22/2010 | CN201590670U Switching power supply type battery charger |
| 09/22/2010 | CN201590669U Portable device and a charging circuit thereof |
| 09/22/2010 | CN201590658U Grounding wire selecting device of microcomputer low current system |
| 09/22/2010 | CN201590657U Microcomputer directional current quick-break bus protection device |
| 09/22/2010 | CN201590656U Current unit of photoelectric arc light protection system |
| 09/22/2010 | CN201590655U Arc light unit of photoelectric arc light protection system |
| 09/22/2010 | CN201590654U Main control unit of photoelectric arc light protection system |
| 09/22/2010 | CN201590653U Photoelectric arc light protection system |
| 09/22/2010 | CN201590652U 12kV power equipment overvoltage absorption device |
| 09/22/2010 | CN201590651U Novel protection circuit for equalization charge/discharge of multiple serially-connected lithium batteries |
| 09/22/2010 | CN201590650U Automobile storage battery detection protector |
| 09/22/2010 | CN201590649U Open-phase protector for current type three-phase motor |
| 09/22/2010 | CN201590648U Relay protection measurement and control device for factories and mines |
| 09/22/2010 | CN201590647U Overheating protection circuit and power supply change-over device employing same |
| 09/22/2010 | CN201590324U Open circuit protecting members for current transformer |
| 09/22/2010 | CN201590311U Transformer device capable of detecting output state |
| 09/22/2010 | CN201590222U LCD (Liquid crystal display) back light power circuit with high voltage transformer damage protection |
| 09/22/2010 | CN101841369A Device for extracting and amplifying TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) signal from compound optical signal |
| 09/22/2010 | CN101841296A Intelligent power distributing and saving device |
| 09/22/2010 | CN101841241A Assembly with DC electricity supply units switch in parallel |
| 09/22/2010 | CN101841189A Centralized protection, measurement and control device and realizing method thereof |
| 09/22/2010 | CN101841181A Charger |
| 09/22/2010 | CN101841166A Double DSP control method for photovoltaic grid-connected inverter |
| 09/22/2010 | CN101841164A Grid-connected system |
| 09/22/2010 | CN101841151A Method for automatically switching power frequency protection fixed values |
| 09/22/2010 | CN101841150A 晶闸管保护器 Thyristor protection |
| 09/22/2010 | CN101841149A Power source protection circuit and LED lamp |
| 09/22/2010 | CN101841148A Method for judging pulse-losing faults of converter valves |
| 09/22/2010 | CN101841147A Anti-lock circuit for permanent magnet motor |
| 09/22/2010 | CN101840776A Secondary open-circuit over-voltage protection device of current mutual inductor |
| 09/22/2010 | CN101388545B Null sequence polygon relay based on null sequence reactor |
| 09/22/2010 | CN101197229B Protection breaker of electric motor |
| 09/21/2010 | US7800927 Method and circuit for providing compensations of current mode power converters |
| 09/21/2010 | US7800871 Resistive high temperature superconductor fault current limiter |
| 09/21/2010 | US7798761 Electronic control system and method for an auxiliary device interlock safety system |
| 09/16/2010 | US20100232076 Method for mitigating negative sequence effect resulting from non-symmetrical short circuit failure of synchronous electric machine based systems |
| 09/16/2010 | US20100231155 Controller unit with integrated temperature sensor |
| 09/16/2010 | DE102010005008A1 Elektrowerkzeug Power Tool |
| 09/15/2010 | EP2227846A1 Device and method for taking a safety precaution in an electrical tool |
| 09/15/2010 | CN201584905U Silicon-controlled control cabinet of high-voltage silicon rectifying equipment |
| 09/15/2010 | CN201584857U Reactor control rod driving mechanism power source based on brushless generator |
| 09/15/2010 | CN201584800U Charger |
| 09/15/2010 | CN201584765U Light-control water-cooling thyristor monitoring protection circuit |
| 09/15/2010 | CN201584764U Pulse DC current leakage protection device |
| 09/15/2010 | CN201584763U Intelligent charger with temperature sensor |
| 09/15/2010 | CN201584762U Frequency converter current limiting protective circuit with high-level holding function |
| 09/15/2010 | CN201584761U Overvoltage detection circuit |
| 09/15/2010 | CN201584760U Phase failure protective device for star connection three-phase source heating circuit |
| 09/15/2010 | CN201584759U Double-motor linkage device of motor protector |
| 09/15/2010 | CN201584758U Overtemperature protection device of explosion-proof motor of vehicle |