| 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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| 04/12/2006 | CN1251263C Operating method for monitoring device for cut-off/close of operation unit |
| 04/11/2006 | US7027896 Integrated protection and control system for a power system substation |
| 04/11/2006 | US7026765 Apparatus and method for energy recovery |
| 04/11/2006 | US7026727 Power supply with multiple transformer current sharing |
| 04/11/2006 | US7026725 Control circuit for vehicular power transmission apparatus, and abnormality determining device for the control circuit |
| 04/06/2006 | WO2006035959A1 Power output apparatus and vehicle having the same |
| 04/06/2006 | WO2006035375A2 Apparatus and method for high speed voltage regulation |
| 04/06/2006 | US20060072352 System and method for power conversion |
| 04/06/2006 | US20060072255 Inverter circuit for inhibiting electricity transmission interference |
| 04/06/2006 | US20060072254 Fault current limiter |
| 04/06/2006 | US20060072253 Apparatus and method for high speed voltage regulation |
| 04/06/2006 | US20060072252 Multiple-output dc-dc converter |
| 04/06/2006 | DE102004048320A1 Spark quenching in low voltage network through pulse width modulated control of electrical loads involves operating load in pulse width modulated manner, whereby off time of PWM signal is selected so spark automatically extinguishes |
| 04/06/2006 | DE102004046442A1 Anordnung zum Schutz von elektronischen Komponenten An arrangement for protecting electronic components |
| 04/06/2006 | CA2521405A1 Power and safety control hub |
| 04/05/2006 | EP1643629A2 Circuit interrupter control with extended current range |
| 04/05/2006 | EP1643607A2 Overload tripping system |
| 04/05/2006 | EP1545931B1 Electric motor circuit with overload protection |
| 04/05/2006 | EP1110302B1 Method for limiting an electric current passing through an electrical component and limiting device |
| 04/05/2006 | CN2770191Y Battery charger with overcharging protector |
| 04/05/2006 | CN2770074Y Rotary magnetic relay |
| 04/05/2006 | CN2769669Y Double-loop and antiexplosive mine safety cap lamp |
| 04/05/2006 | CN1757135A Polymer PTC device |
| 04/05/2006 | CN1756020A Protective circuit for a secondary battery pack and method of operating the same |
| 04/05/2006 | CN1756019A Circuit for preventing Impulse current of converter and preventing method thereof |
| 04/05/2006 | CN1756018A Device and method for limiting energy in wiring faults and method for confirming electrical system safety |
| 04/05/2006 | CN1755338A Method and protective circuit for monitoring electromotor temperature cooled by refrigerant |
| 04/05/2006 | CN1249876C Failure protector for parallel power supply |
| 04/04/2006 | US7023714 Voltage converter for a power supply |
| 04/04/2006 | US7023713 Voltage overshoot reduction circuits |
| 04/04/2006 | US7023305 Control and protection module of a switch device |
| 04/04/2006 | US7023181 Constant voltage generator and electronic equipment using the same |
| 03/30/2006 | US20060066287 Method and system for controlling power to be fed to electrical loads |
| 03/30/2006 | US20060066276 Method for identifying an overload current of an electric drive |
| 03/30/2006 | DE102005042548A1 Steuereinrichtung für ein Halbleiterbauelement A control device for a semiconductor component |
| 03/30/2006 | DE102005013246A1 Fehlererfassungssystem für Umrichter Fault detection system for inverters |
| 03/30/2006 | DE102005009069A1 Steuerschaltung einer Leistungs-Halbleiter-Vorrichtung und steuernde integrierte Schaltung Control circuit of a power semiconductor device and controlling integrated circuit |
| 03/30/2006 | DE102004043877A1 Antriebssteuereinrichtung für einen selbstgeführten Stromrichter Drive control device for a self-commutated converter |
| 03/30/2006 | DE102004040074A1 Blockierschutz für einen permantenterregten Elektromotor-Antrieb Anti-lock for a permantenterregten electric motor drive |
| 03/29/2006 | CN2768270Y Full-reset safety unit |
| 03/29/2006 | CN2768269Y Multifunctional submersible pump starting protector |
| 03/29/2006 | CN2768268Y Intelligent motor control protector for multi-purpose oil pumping unit for intermittent oil extraction in oil field |
| 03/29/2006 | CN2768267Y Open-circuit-proof protector for current transformer |
| 03/29/2006 | CN1753527A Mobile communication terminal with positive plate battery identification function and control method thereof |
| 03/29/2006 | CN1753269A Stationary reactive compensation monitoring platform with layered distribution type structure |
| 03/29/2006 | CN1753267A Adaptive impedance relay |
| 03/29/2006 | CN1248403C Voltage converter without electric spark |
| 03/29/2006 | CN1248273C Variable capacitor element and its mfg. method |
| 03/29/2006 | CN1248005C Tap changer condition diagnosing |
| 03/28/2006 | US7019991 Rectifying circuit |
| 03/28/2006 | US7019951 Extended trip range motor control system and method |
| 03/28/2006 | US7019542 Method and apparatus for battery testing |
| 03/28/2006 | US7019534 Detecting the status of an electrical fuse |
| 03/28/2006 | US7019495 Inter-regulator control of multiple electric power sources |
| 03/28/2006 | US7019493 Method and apparatus for protection of batteries |
| 03/28/2006 | US7019480 Synchronous-motor controller |
| 03/28/2006 | US7019478 Movable barrier operator auto-force setting method and apparatus |
| 03/28/2006 | US7019476 Method for recognizing an obstructive situation in a motor driven element |
| 03/23/2006 | US20060064205 Remotely controllable wireless energy control unit |
| 03/23/2006 | US20060061923 Power converter controlling apparatus and method applying a fault protection scheme in a motor drive system |
| 03/23/2006 | US20060061922 Hybrid power supply system having energy storage device protection circuit |
| 03/23/2006 | US20060061921 Control circuit and method of electric output modes |
| 03/23/2006 | US20060061335 Control of vehicle generator using PWM signal with specially determined duty and frequency |
| 03/23/2006 | DE19538609B4 Steuer- und Überwachungssystem für eine Vielzahl von Rauchvorhängen des strombetriebenen motorisierten Rollentyps Control and monitoring system for a plurality of smoke curtains of the current-driven motorized roller type |
| 03/22/2006 | EP1638183A1 System for detecting motor coil-to-coil faults |
| 03/22/2006 | EP1637943A1 Control and/or regulation device for an electrical actuator |
| 03/22/2006 | EP1637682A1 Power window apparatus with pinch detecting function |
| 03/22/2006 | CN2766452Y Intelligent controller |
| 03/22/2006 | CN2766438Y Automatic control converter for wind and solar power generation |
| 03/22/2006 | CN2766435Y Power-off protection device |
| 03/22/2006 | CN2766434Y Handset charge protection timer |
| 03/21/2006 | US7016207 Power inverter |
| 03/21/2006 | US7016174 Instantaneous fault detection circuit method and apparatus |
| 03/21/2006 | US7015677 Automatic voltage regulator with function for suppressing overshoot |
| 03/21/2006 | US7015665 Power window driving apparatus |
| 03/16/2006 | WO2006027481A1 Control and power module for a rotating electrical machine |
| 03/16/2006 | US20060056120 Coal energy utilization system having superconducting power transmission |
| 03/16/2006 | US20060056119 Voltage supply circuit, voltage supply method, electro-optical device, and electronic apparatus |
| 03/16/2006 | US20060055378 Regulated voltage control override |
| 03/16/2006 | DE102004037924A1 Modulartige Anschlußvorrichtung in einem Bussystem zum Schutz eines elektrischen Verbrauchers Module-type terminal device in a bus system to protect an electrical load |
| 03/16/2006 | DE102004037543A1 Half bridge circuit arrangement protecting device, has filters and flip flops that disconnect control logic when determining overload during certain time period within one branch and disconnect switch |
| 03/15/2006 | EP1634357A2 Controller for permanent magnet alternator |
| 03/15/2006 | CN2765363Y Dual power-leadin microcomputer protection, measurement and control system |
| 03/15/2006 | CN2765362Y Cell polarity detection and short circuit protection device for use in charger |
| 03/15/2006 | CN2765361Y One-point-earth protector for power generator rotor |
| 03/15/2006 | CN2765314Y Lightning protection device for floating equipment |
| 03/15/2006 | CN1748347A Monitoring system for a generator |
| 03/15/2006 | CN1748276A Method and system for sensing switch position to prevent inadvertent startup of a motor |
| 03/15/2006 | CN1747275A Pulse width modulating controller of non-work compensator of transformer |
| 03/15/2006 | CN1747273A Safety sealing impulse method of medium-high voltage three-level converter based on IGCT |
| 03/15/2006 | CN1747272A Protection of unbalanced TCR circuit |
| 03/15/2006 | CN1245730C Overload protector for sealing-structure |
| 03/15/2006 | CN1245634C Current transformer system |
| 03/14/2006 | US7012793 Power converter with polarity reversal and inrush current protection circuit |
| 03/14/2006 | US7012791 Constant-voltage power supply unit |
| 03/14/2006 | US7012393 Motor drive |
| 03/14/2006 | CA2518822A1 Limiting energy in wiring faults |
| 03/09/2006 | WO2006026297A2 Resistor dropper power supply with surge protection |
| 03/09/2006 | US20060052906 Method and apparatus for load management metering in an electric power system |
| 03/09/2006 | US20060050463 Heat detector for main board |