| 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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| 05/21/2008 | CN101183789A Method for setting compound characteristic impedance suitable for series capacity compensation circuit |
| 05/21/2008 | CN101183787A Digital type dispersed software/hardware fault-tolerant type protection technique |
| 05/21/2008 | CN101183786A Anti-CT saturated sampling value differential protection of predicting CT linear transform area |
| 05/21/2008 | CN101183785A Device for high voltage fast pulse signal real-time turnoff protection |
| 05/21/2008 | CN101183784A Intelligent electric actuator with overload protection function |
| 05/21/2008 | CN101183783A Graded hyperbolic anti-TA transient saturation differential protection method |
| 05/21/2008 | CN101183738A Circuit module |
| 05/21/2008 | CN101183133A Phase amount and zero sequence amount combined realization powerline both-end distance measuring method |
| 05/21/2008 | CN101183132A Wave record method supporting electrical power system transient data interchange general format |
| 05/20/2008 | US7375990 Switching power device |
| 05/20/2008 | US7375941 Protective relay capable of protection applications without protection settings |
| 05/20/2008 | US7375607 DC transformer with an output inductance integrated on a magnetic core thereof and a DC/DC converter employing the same |
| 05/20/2008 | US7375498 Battery pack |
| 05/20/2008 | US7375439 Electric panel |
| 05/20/2008 | CA2304398C Protection device and process for a line in a network of electrical energy supply lines |
| 05/16/2008 | CA2610679A1 Electrical switching device |
| 05/15/2008 | WO2008056314A1 Detecting quench in a magnetic resonance examination system |
| 05/15/2008 | WO2008056313A1 Preventing quench in a magnetic resonance examination system |
| 05/15/2008 | WO2008055493A1 Submarine direct-current network comprising high-power energy accumulators |
| 05/15/2008 | WO2008055345A1 Power restoration system for electrical power network |
| 05/15/2008 | WO2007092684A3 A power supply and method of operation therefor |
| 05/15/2008 | US20080112101 Transmission line filter for esd protection |
| 05/15/2008 | US20080111510 Windscreen Wiper Comprising a Protection Device for the Electric Motor Thereof |
| 05/15/2008 | US20080111506 Vehicle, driving system, and control methods of the same |
| 05/15/2008 | DE202008001209U1 Drahtlos gesteuerte Netzsteckdose Wireless controlled power outlet |
| 05/15/2008 | DE202007000363U1 Motorische Stellvorrichtung Motor actuator |
| 05/15/2008 | DE102006053640A1 Over speed detector for e.g. generator, has tube accommodated in housing upper part such that tube is formed by joining housing lower part, where detector causes irreversible change during exceedance of allowable speed limit value |
| 05/14/2008 | EP1920515A1 Wind mill power flow control with dump load and power converter |
| 05/14/2008 | EP1920448A2 Device comprising at least one double-layer capacitor |
| 05/14/2008 | CN201061152Y Power condenser on/off switch |
| 05/14/2008 | CN201061132Y Channel switching tester |
| 05/14/2008 | CN201061131Y Protective circuit for stirrer |
| 05/14/2008 | CN201061130Y Protective circuit of intelligent power module IPM |
| 05/14/2008 | CN201061129Y Electric power abnormity protective circuit |
| 05/14/2008 | CN201061128Y Protective circuit of electronic transformer |
| 05/14/2008 | CN201061127Y Protective circuit of electronic transformer |
| 05/14/2008 | CN201061126Y Three-phase motor protector |
| 05/14/2008 | CN201061125Y High voltage universal electricity-saving device |
| 05/14/2008 | CN201061124Y Intelligent terminal system of oil well |
| 05/14/2008 | CN201061123Y Intelligent protector of electric motor |
| 05/14/2008 | CN201060906Y Novel chargeable lithium ion battery |
| 05/14/2008 | CN201059712Y Fixed speed air-conditioner working under low voltage |
| 05/14/2008 | CN101179200A Trickle discharge for battery pack protection |
| 05/14/2008 | CN101179199A Terminal and charging method thereof |
| 05/14/2008 | CN101179192A Channel monitoring method of high reliability circuit longitudinal differential protection |
| 05/14/2008 | CN101179191A Method for protector to detect disconnection of neutral line using third harmonic |
| 05/14/2008 | CN101179190A City railway traffic traction power supply protection method and device thereof |
| 05/14/2008 | CN101179189A Open-phase and fault-tolerant control method of switch reluctance motor |
| 05/14/2008 | CN101179188A Second open circuit protector of current mutual inductor |
| 05/14/2008 | CN101178613A Voltage output device |
| 05/14/2008 | CN100388587C Circuit for implementing online AC input high-voltage protection |
| 05/14/2008 | CN100388586C Fault protector |
| 05/14/2008 | CN100388585C Improved fault protection circuit and method therefor |
| 05/14/2008 | CN100388584C Protection circuit for electric motor |
| 05/14/2008 | CN100388583C Variable split-phase zero sequence fault component braking method for preventing transformer protection from malfunction |
| 05/14/2008 | CN100388582C Positive sequence and zero sequence braking method for preventing transformer protection from malfunction |
| 05/14/2008 | CN100388581C Phase-splitting differential flow method for preventing voltage transformer differential protection unwanted operation |
| 05/14/2008 | CN100388580C Three-phase integrated brake device for preventing multiple-branch voltage transformer differential protection unwanted operation |
| 05/14/2008 | CN100388579C Protection circuit for preventing thyratron transistor misoperation in SVC system |
| 05/13/2008 | US7372808 Redundant transmission of protection commands between remote tripping devices |
| 05/13/2008 | US7372711 Circuit and method for reducing voltage spikes due to magnetizing current imbalances and power converter employing the same |
| 05/13/2008 | US7372686 Power supply apparatus capable of detecting abnormality in current flowing in drive circuit |
| 05/13/2008 | US7372683 Over voltage detection circuit, and power source circuit, power supply system and electronic apparatus using the over voltage detection circuit |
| 05/13/2008 | US7372682 System and method for managing fault in a power system |
| 05/13/2008 | US7372676 Motor coil-shorting detecting unit |
| 05/13/2008 | US7372233 Method for operation of a converter circuit for a washing machine or a washer/drier, converter circuit, and washing appliance or washer/drier |
| 05/13/2008 | US7372226 Method for switching off a power tool |
| 05/08/2008 | WO2008052813A1 Switchgear cabinet with temperature monitoring |
| 05/08/2008 | US20080106829 Alternator control device for vehicle |
| 05/08/2008 | US20080106235 Battery protection circuits detection method and apparatus |
| 05/08/2008 | US20080106225 Method of controlling a motor of a battery-operated power tool |
| 05/08/2008 | DE10333537B4 Überwachungsvorrichtung mit einem elektronischen programmierbaren System Monitoring device with an electronic programmable system |
| 05/08/2008 | DE102006053524A1 Motor starting circuit for e.g. printed circuit board, has protective switch normally closed and opened during occurrence of error, and control device staying in connection with protective switch over lines and auxiliary winding |
| 05/08/2008 | DE102006052039A1 Schaltschrank mit Temperaturüberwachung Cabinet with temperature control |
| 05/08/2008 | DE102006050077A1 Umrichter mit steuerbarem Phasenwinkel Inverter with controllable phase angle |
| 05/07/2008 | EP1919057A2 Inter-regulator control of multiple electric power sources |
| 05/07/2008 | EP1919052A2 Control device for opening/closing member |
| 05/07/2008 | EP1917706A1 Rectifier circuit with distributed energy stores |
| 05/07/2008 | EP1917705A1 By-pass device of an electrical component |
| 05/07/2008 | EP1917480A1 Cooking appliance |
| 05/07/2008 | EP1743410A4 Cordless power tool with a protected weak link element |
| 05/07/2008 | EP1726085B1 Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit |
| 05/07/2008 | EP1665519A4 Method and apparatus providing integrated load matching using adaptive power amplifier compensation |
| 05/07/2008 | EP1018027B1 Method for the location of a high-resistance earth fault in a power distribution system on the basis of current measurements |
| 05/07/2008 | CN201057150Y Overheat protector of scroll compressor |
| 05/07/2008 | CN101174801A Less-switch five-power level voltage source type inverter and control method thereof |
| 05/07/2008 | CN101174800A Current conversion circuit |
| 05/07/2008 | CN101174783A Arc driving heavy caliber astronomical telescope |
| 05/07/2008 | CN101174773A Solar battery with asymmetry battery set and its charging and discharging method |
| 05/07/2008 | CN101174770A Charging protection method and device |
| 05/07/2008 | CN101174769A Self-recovery multifunctional protection circuit |
| 05/07/2008 | CN101174768A Method and system for instantaneous power-off protection of air conditioner |
| 05/07/2008 | CN101174715A Power battery management system with control and protection function and method thereof |
| 05/07/2008 | CN100386935C Generator stator single phase grounding protection method |
| 05/07/2008 | CN100386637C Fault line selection method for single-phase-to-ground fault in small ground current distribution network and its line selection system |
| 05/06/2008 | US7369383 Protective circuit |
| 05/06/2008 | US7369380 Highly available dual serial bus architecture |
| 05/06/2008 | US7369378 Electric motor driving apparatus |
| 05/06/2008 | US7369377 Snubbers for low temperature power electronics |
| 05/06/2008 | US7368892 Method and apparatus for controlling power generation using gradually exciting technique |