| 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) |
|---|
| 03/10/2005 | WO2005022714A2 Live conductor stringing and splicing method and apparatus |
| 03/10/2005 | US20050053228 System and method for the powering and fault protection of remote telecommunications equipment |
| 03/10/2005 | US20050052801 Method for tapping a high voltage transmission line and substation using the same |
| 03/10/2005 | US20050052244 Fast-response current limiting |
| 03/10/2005 | CA2537218A1 Live conductor stringing and splicing method and apparatus |
| 03/09/2005 | EP1512820A2 Electronic wound protection device for a path-controlled window regulator, method for adapting the control means to a given kinematics and path-controlled window regulator |
| 03/09/2005 | EP1511666A1 Electronically commutable motor |
| 03/09/2005 | EP1181757B1 Method for operating an electric motor, and an electric motor for carrying out such a method |
| 03/09/2005 | EP1105956A4 Arcing fault detection system |
| 03/09/2005 | EP1000453B1 Device and method for powering down a receiver, and electric apparatus equipped therewith |
| 03/09/2005 | EP0938766B1 Control system using an electric motor |
| 03/09/2005 | CN2684434Y Motor protector with startup conversion function |
| 03/09/2005 | CN1592068A Surge voltage suppressor |
| 03/09/2005 | CN1592020A Over voltage protecting circuit for dc brushless fan motor |
| 03/09/2005 | CN1591018A On-line monitoring method for transformer |
| 03/08/2005 | US6864654 Method and relative circuit for detecting a torque variation of an electric DC motor |
| 03/03/2005 | WO2005020418A1 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
| 03/03/2005 | WO2005020401A1 Triggering device for a dc motor |
| 03/03/2005 | US20050047178 Adaptive over-current detection |
| 03/03/2005 | US20050047050 Surge voltage suppressor |
| 03/03/2005 | US20050047048 Over-voltage protection coil control circuit |
| 03/03/2005 | US20050047043 Distance protective relay using a programmable thermal model for thermal protection |
| 03/03/2005 | US20050047039 Power system to transfer power between a plurality of power sources |
| 03/03/2005 | US20050046397 System and method for controlling load dump voltage of a synchronous machine |
| 03/03/2005 | US20050046396 Inter-regulator control of multiple electric power sources |
| 03/03/2005 | US20050046395 Vehicle AC generator apparatus having improved generator control apparatus |
| 03/03/2005 | US20050046361 Actuator with control unit and method for operating said actuator |
| 03/02/2005 | EP1511151A2 Inter-regulator control of multiple electric power sources |
| 03/02/2005 | EP1511149A2 A power system to transfer power between a plurality of power sources |
| 03/02/2005 | EP1511148A2 Surge voltage suppressor |
| 03/02/2005 | EP1509990A1 Configuration and method for protecting converter means |
| 03/02/2005 | EP1509824A2 Motor speed-based anti-pinch control apparatus and method with rough road condition detection and compensation |
| 03/02/2005 | CN2682710Y Fire protection switch for electric appliance |
| 03/02/2005 | CN2682709Y IGBT overcurrent processing circuit for middle and high voltage frequency converter |
| 03/02/2005 | CN1589516A Control and protection module of a switch device |
| 03/02/2005 | CN1588799A Driving protective circuit for inverse resistance type insulated gate bipolar transistor |
| 03/02/2005 | CN1588749A Separable power supply jacket structure for solving mobile electronic product power supply |
| 03/02/2005 | CN1588739A Motor protective circuit |
| 03/02/2005 | CN1588108A Load current detection method for circuit breaker |
| 02/24/2005 | WO2005017638A1 Protection device comprising a rotary coding switch |
| 02/24/2005 | US20050043861 Integrated protection and control system for a power system substation |
| 02/24/2005 | US20050041348 Semiconductor switching device |
| 02/24/2005 | DE202004000266U1 Steuerungsvorrichtung einer Verstelleinrichtung eines Kraftfahrzeugs, insbesondere eines Kraftfahrzeugfensterhebers Control apparatus of an adjusting device of a motor vehicle, particularly a motor vehicle window lifter |
| 02/24/2005 | DE10361549A1 Arc discharge protection system for high-voltage electrical equipment has electrode disk, voltage switching circuit, rectifier and trigger circuit |
| 02/24/2005 | DE10336953A1 Overload protection unit for a fan motor especially in a motor vehicle has device to detect a blockage or operational fault in the motor |
| 02/24/2005 | DE10334190A1 Antriebsvorrichtung für ein Stellsystem Drive device for a control system |
| 02/24/2005 | DE10331100A1 Method for ascertaining faulty commutating between converter thyristors, involves comparing status signal of current output converter thyristor with command signal |
| 02/23/2005 | EP1508150A1 Overvoltage protection device |
| 02/23/2005 | CN2681453Y Intelligent controller for transformer |
| 02/23/2005 | CN2681451Y Multifunctional integrated control circuit device for motor |
| 02/23/2005 | CN2681422Y Fan filtering unit control module |
| 02/23/2005 | CN1585223A CT open circuit protector with high sensitivity |
| 02/17/2005 | WO2005015707A1 Control unit |
| 02/17/2005 | WO2005015012A1 Method of controlling a wind turbine connected to an electric utility grid during malfunction in said electric utility grid, control system, wind turbine and family hereof |
| 02/17/2005 | US20050036254 Method and system for communications channel delay asymmetry compensation using global positioning systems |
| 02/17/2005 | DE10334197A1 Schutzanordnung für eine elektrische Einrichtung Protection arrangement for an electrical device |
| 02/17/2005 | DE10162242B4 Leistungshalbleiterbauelement für beispielsweise Halbbrückenschaltungen Power semiconductor component for example, half-bridge circuits |
| 02/16/2005 | EP1507306A1 Lithium secondary battery having internal protection circuit |
| 02/16/2005 | EP1506604A1 Inverter for an electric machine |
| 02/16/2005 | CN2679900Y Phase loss leakage protector of 3-phase dynamo |
| 02/16/2005 | CN1581675A Generator controlled follow-current type de-excitation circuit |
| 02/16/2005 | CN1581672A Motor-locking protection circuit, integrated circuit and motor-locking protection method |
| 02/16/2005 | CN1581632A Secondary cell charging-discharging automatic cut-off device |
| 02/16/2005 | CN1189988C Automatic control and all-weather monitor device for three-phase motor |
| 02/15/2005 | US6856497 System interconnection apparatus and connection method thereof |
| 02/15/2005 | US6856495 Series pass over-voltage protection circuit having low quiescent current draw |
| 02/15/2005 | US6856113 Central vacuum cleaning system motor control circuit mounting post, mounting configuration, and mounting methods |
| 02/15/2005 | US6856112 Power window driving device |
| 02/10/2005 | WO2005013454A1 Device for protection against the short circuits of a direct current converter |
| 02/10/2005 | US20050030687 Arc discharge protection apparatus |
| 02/10/2005 | US20050030677 Fireguard circuit |
| 02/10/2005 | US20050029991 Method of reducing engine belt noise |
| 02/10/2005 | DE10331823A1 Schiffs-Energieversorgungs- und -verteilungsanlage Ship Supply and distribution installation |
| 02/10/2005 | DE102004033373A1 Antriebsschaltung für einen bürstenlosen Motor Drive circuit for a brushless motor |
| 02/09/2005 | EP1505706A2 Apparatus and method for real time determination of arc fault energy, location and type |
| 02/09/2005 | CN2678245Y Electric-saving protector of magnetic amplifier type electric motor |
| 02/09/2005 | CN2678224Y Electrical shock and earth leakage protector for energy-saving arc welder |
| 02/09/2005 | CN2678223Y 电缆夹 Cable Clips |
| 02/09/2005 | CN2678199Y Inteeligent connecting piece for secondary battery |
| 02/09/2005 | CN1578043A Protecting method and apparatus for battery undervoltage |
| 02/09/2005 | CN1578039A Arc discharge protector |
| 02/09/2005 | CN1578038A 保护继电装置 Protective relay devices |
| 02/09/2005 | CN1188941C Detection of circuit exception of power supply converter and protecting apparatus and method |
| 02/08/2005 | US6853523 System and a method for protecting an electric motor and its control circuit, and an electric motor |
| 02/03/2005 | WO2005011079A1 Arrangement for protecting an electrical device |
| 02/03/2005 | US20050024218 Fault monitoring apparatus and method |
| 02/03/2005 | DE10331239A1 Überwachungselektronik für einen Elektromotor und Verfahren zur Überwachung eines Elektromotors Monitoring electronics for an electric motor and method of monitoring an electric motor |
| 02/03/2005 | DE10329914A1 Fehlererkennung für Powerring Error Detection for Power Ring |
| 02/02/2005 | EP1503472A2 Drive apparatus for an actuator system |
| 02/02/2005 | CN2676477Y Motor protector |
| 02/02/2005 | CN2676466Y A noseplate with lightning protection device |
| 02/02/2005 | CN1574602A Motor drive system |
| 02/02/2005 | CN1574535A Electronic device, and circuit and method for protecting the same |
| 02/02/2005 | CN1573623A Method for initializing a power-activated adjusting device and device for implementing said initialization method |
| 02/02/2005 | CN1573345A Method for monitoring a power output stage |
| 02/02/2005 | CN1573343A Diagnostic system and method for electric leak detecting device |
| 02/01/2005 | US6850043 Excessive voltage protector for a variable frequency generating system |
| 02/01/2005 | CA2253917C Method and device for braking an all-mains motor |
| 01/27/2005 | WO2005008877A1 Monitoring circuit for an electric motor and method for monitoring an electric motor |
| 01/27/2005 | WO2005008859A1 A protection system for medium-voltage potential transformers |