| 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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| 09/18/2013 | CN103311893A Over-current protection circuit for switch power supply |
| 09/18/2013 | CN103311892A Protection circuit for switch power supply |
| 09/18/2013 | CN103311891A Overheating delay protection self-lock device of electric motor |
| 09/18/2013 | CN103311890A Abnormality diagnosis apparatus for electric pump |
| 09/18/2013 | CN103311889A Manual switching protection circuit for dual power supplies |
| 09/18/2013 | CN103311888A Drive control apparatus |
| 09/18/2013 | CN103311887A Device for removing influence of inductive voltage on transformer microcomputer protection |
| 09/18/2013 | CN103311837A Improved electric cabinet handcart grounding guide rail |
| 09/18/2013 | CN103310022A Protection setting value on-line tracking system and method |
| 09/18/2013 | CN103303159A Electric automobile controller and dual-driving control method thereof |
| 09/18/2013 | CN102231564B Stand-by power supply automatic switch method for multi-stage series connection power supply network |
| 09/18/2013 | CN102185277B Method and device for controlling preferential tripping of power grid at sea |
| 09/18/2013 | CN102170113B Breaker controller with fault interval isolation |
| 09/18/2013 | CN102158306B Method for carrying out seamless handover between longitudinal differential protection and pilot protection under single channel |
| 09/18/2013 | CN102074936B Method for coordinating operating characteristics of differential relay based on fault transient process |
| 09/18/2013 | CN102013669B Adjustable overheat protection circuit in switching power supply |
| 09/18/2013 | CN102005734B Battery protection integrated circuit and system |
| 09/18/2013 | CN101834465B Charging circuit and method, and integrated circuit chip |
| 09/18/2013 | CN101800510B 风力发电系统 Wind power generation system |
| 09/18/2013 | CN101572422B Battery protection circuit and battery device |
| 09/17/2013 | US8537578 Redundant control method for a polyphase converter with distributed energy stores |
| 09/17/2013 | US8537569 Stored energy dissipating circuits and methods for switched mode power supplies |
| 09/17/2013 | US8537507 MEMS-based switching systems |
| 09/17/2013 | CA2654875C Intrinsically safe battery pack and system |
| 09/17/2013 | CA2612997C Voltage regulator with improved protection and warning system |
| 09/12/2013 | WO2013132103A1 Method for using an electrical unit |
| 09/12/2013 | WO2013131782A1 Method of fault clearance |
| 09/12/2013 | US20130235618 Frequency converter and method for identifying and blocking a fault current in a frequency converter |
| 09/12/2013 | US20130235492 Switch unit and power generation system thereof |
| 09/12/2013 | DE102013004051A1 Abnormalitätsdiagnosevorrichtung für eine elektrische Pumpe The abnormality diagnosis for an electric pump |
| 09/12/2013 | DE102012203614A1 Direct current static converter for electric power providing device that is utilized for supplying electric power to e.g. high voltage load of motor car, has doubler comprising throttles that are connected in series to short-circuit fuses |
| 09/11/2013 | EP2637276A1 Protection circuit for lithium-ion battery |
| 09/11/2013 | EP2637275A1 Method and device for controlling the selectivity of electric equipment |
| 09/11/2013 | CN203193495U Double-end protection type voltage stabilization power source |
| 09/11/2013 | CN203193357U Timing charger for electric bicycle |
| 09/11/2013 | CN203193342U DSP-based solar charge comprehensive protection controller |
| 09/11/2013 | CN203193338U Vehicle-mounted solar charging system for electric automobiles |
| 09/11/2013 | CN203193296U Novel airborne emergency power supply |
| 09/11/2013 | CN203193294U Automobile storage battery quick charger |
| 09/11/2013 | CN203193265U A power grid preferential trip control device |
| 09/11/2013 | CN203193264U Short wave ultraviolet light bus protection device |
| 09/11/2013 | CN203193263U Digital line protective device |
| 09/11/2013 | CN203193262U High-integration integrated automation protective device with on-line temperature measurement and arc light monitoring |
| 09/11/2013 | CN203193261U Protection circuit for output short circuit of high-voltage battery pack |
| 09/11/2013 | CN203193260U Gold-plated patch contact hardware and goldfinger contact single battery protection board |
| 09/11/2013 | CN203193259U Battery temperature protection system for electric vehicle |
| 09/11/2013 | CN203193258U Chargeable cell protection circuit having zero volt charging function |
| 09/11/2013 | CN203193257U Storage battery charging protective device |
| 09/11/2013 | CN203193256U Control circuit possessing overheating protection function |
| 09/11/2013 | CN203193255U Electric automobile motor over-current protection circuit |
| 09/11/2013 | CN203193254U Water supply cut-off protection structure of atomizer motor |
| 09/11/2013 | CN203193253U Brushless DC motor with shock protection apparatus |
| 09/11/2013 | CN203193252U Digital transformer protection device |
| 09/11/2013 | CN203193251U A door lock over-current protection system and a door lock system |
| 09/11/2013 | CN103299544A Circuit arrangements for electronically controlled DC networks |
| 09/11/2013 | CN103296945A Feed chain of a synchronous electric machine, electric traction system including such a chain and method for controlling such a chain |
| 09/11/2013 | CN103296759A Method for controlling fault monitoring devices for power transmission lines |
| 09/11/2013 | CN103296721A Mobile phone charging software |
| 09/11/2013 | CN103296707A Charging device and charging method |
| 09/11/2013 | CN103296659A Protection and monitoring device for direct current system |
| 09/11/2013 | CN103296658A Line interphase fault relay protection method based on distributed parameter measurement impedance amplitude-phase characteristics |
| 09/11/2013 | CN103296657A Single-phase grounding fault distance protection method for line overloaded and resistant to maloperation and high impedance |
| 09/11/2013 | CN103296656A Method with phase selection function for protecting composite-sequence component voltages of power transmission line |
| 09/11/2013 | CN103296655A Current-transformer-saturation-influence-resistant traveling-wave differential protection method for currents of non-loss line |
| 09/11/2013 | CN103296654A Line single-phase earth fault relay protection method implemented by aid of distributed parameters |
| 09/11/2013 | CN103296653A Single-phase high-impedance grounding fault relay protection method of power transmission line |
| 09/11/2013 | CN103296652A Zero-sequence voltage protection method for single-phase grounding faults of power transmission line |
| 09/11/2013 | CN103296651A Interphase fault distance protecting method for overload maloperation-preventive and anti-high-resistance lines |
| 09/11/2013 | CN103296650A Ultra-high-voltage transmission line relay protection method based on break variable differential coefficient matrix |
| 09/11/2013 | CN103296649A Current-transformer-saturation-influence-resistant traveling-wave differential protection method for currents of lossy line |
| 09/11/2013 | CN103296648A Current-opposition-influence-resistant composite differential protection method for power transmission line |
| 09/11/2013 | CN103296647A Directional current differential protection method of power transmission line |
| 09/11/2013 | CN103296646A Line single-phase earth fault distance protection method implemented by aid of distributed parameters |
| 09/11/2013 | CN103296645A Line inter-phase fault distance protection method implemented by aid of distributed parameters |
| 09/11/2013 | CN103296644A Composite sequence component voltage protection method of power transmission line |
| 09/11/2013 | CN103296643A Comparative isolated island detection and protection method based on wide range information phase difference |
| 09/11/2013 | CN103296642A Short circuit protective circuit of direct current motor driver load |
| 09/11/2013 | CN103296641A Power failure protecting device of motor driving system |
| 09/11/2013 | CN103296640A Method for selecting direct-current protection electric appliance for electric power engineering direct-current system |
| 09/11/2013 | CN103296634A Power transmission line single-phase reclosing protection criterion implemented by aid of distributed parameters |
| 09/11/2013 | CN103293366A Half-bridge driving apparatus |
| 09/11/2013 | CN103291201A Recess protection control system for embedded electric hollow glass window blinds |
| 09/11/2013 | CN102332753B Intelligentized switch cabinet integrative monitoring system |
| 09/11/2013 | CN102244380B Open-phase protection method and device of 35kV American box-type substation for wind power station |
| 09/11/2013 | CN101286644B 充电及放电系统 Charging and discharging systems |
| 09/10/2013 | US8532834 Method for integrating controls for captive power generation facilities with controls for metallurgical facilities |
| 09/10/2013 | US8532265 Power distribution module with monitoring and control functions |
| 09/10/2013 | US8531853 Variable frequency timing circuit for a power supply control circuit |
| 09/10/2013 | CA2613214C Method and arrangement for triggering a series spark gap |
| 09/06/2013 | WO2013128227A1 Electrostatic discharge protection circuit arrangement, electronic circuit and esd protection method |
| 09/06/2013 | WO2013128148A1 Control circuit |
| 09/06/2013 | WO2013127787A1 Dc supply unit for a power provision unit |
| 09/06/2013 | WO2013127575A1 A dc-power system with system protection capabilities |
| 09/06/2013 | WO2013127463A1 High voltage dc circuit breaker apparatus |
| 09/06/2013 | WO2013127461A1 Control circuit |
| 09/06/2013 | WO2013127438A1 A method and an apparatus for detecting a fault in an hvdc power transmission system |
| 09/05/2013 | US20130229069 Circuit arrangement having an emergency stop switch of a hoist |
| 09/04/2013 | EP2634885A1 A DC-power system with system protection capabilities |
| 09/04/2013 | EP2634884A1 Supply chain of a synchronous electric machine, electric traction system including such a chain and method for controlling such a chain |
| 09/04/2013 | EP2634882A1 DC supply unit for a power provision unit |