Patents
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)
04/2003
04/03/2003US20030063008 Method and apparatus for detecting failure in solar cell module, and solar cell module
04/03/2003US20030062876 Supercapacitor balancing method and system
04/03/2003US20030062866 Antisqueeze protection
04/02/2003EP1298771A2 Controller for a motor starter
04/02/2003EP1297895A1 Electrostatic painting device
04/02/2003EP1203434B1 Method and apparatus for detecting a failed thyristor
04/02/2003EP1138051A4 A charge storage device
04/02/2003CN2543259Y Output short-circuit intelligent protection
04/02/2003CN2543257Y DC zero-current induction detecting protective device
04/02/2003CN1408137A Switching method for an electromagnetic switching device and an electromagnetic device corresponding thereto
04/02/2003CN1104769C Circuit arrangement for preventing deep discharge of battery
04/02/2003CN1104767C Series compensation of electric alternating current machines
04/01/2003US6542062 Overload protector with control element
04/01/2003US6541930 Method for controlling an adjustment device that is driven in an electromotorical manner and used for window lifters for instance and a device for carrying out said method
03/2003
03/27/2003US20030060991 Crossover fault classification for power lines with parallel circuits
03/27/2003US20030058617 Electronic controller modules and methods for making and using same
03/27/2003US20030058594 Differential protective method
03/27/2003US20030058589 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof
03/27/2003US20030057899 Linear electric motor controller and system for providing linear control
03/27/2003US20030057778 Multiple DC control for single power supply
03/26/2003EP1296432A1 Driver device and method for detecting a squeezing by an electric window or sliding roof of a vehicle
03/26/2003EP1295375A1 Electronic overload trip for a low-voltage circuit breaker
03/26/2003CN1405572A Method and apparatus for identifying failure in radiation electric network
03/26/2003CN1104073C Charge and discharge circuit
03/25/2003US6539287 Distribution control system capable of isolating fault section without using time limited sequential shift function
03/25/2003US6538480 Load driving device
03/20/2003WO2003023946A2 Crossover fault classification for power lines with parallel circuits
03/20/2003WO2003023932A1 Pinch detection system
03/20/2003WO2003023429A1 Crossover fault classification for power lines with parallel circuits
03/20/2003WO2003023425A1 Crossover fault classification for power lines with parallel circuits
03/20/2003WO2003005527A3 Voltage and current source selection system for use in the protection, automation and control of an electric power system
03/20/2003US20030055585 Crossover fault classification for power lines with parallel circuits
03/20/2003US20030054683 Arc prevention circuits
03/20/2003US20030052756 Switching method for an electromagnetic switching device and an electromagnetic switching device corresponding thereto
03/20/2003US20030052634 Apparatus and method for controlling moving member
03/20/2003US20030051555 Pinch detection system
03/19/2003EP1294070A1 Method and device for controlling the stopping of an electric motor drive for objects,especially forced moved objects
03/19/2003EP1293023A1 Electrical switchgear comprising a number of switches
03/19/2003EP1292753A1 Method for determining the rotational position of the drive shaft of a direct current motor
03/19/2003EP1181628B1 Method for nonvolatile storage of at least one operating data value of an electrical motor and electrical motor for said method
03/19/2003EP0995251B1 Solid state overload relay
03/19/2003EP0910718B1 Process for limiting the excess force of an electrically controlled aggregate actuated by an external force when it nears its top or bottom stop positions, in particular for a motor vehicle window lifter nearing its closure position
03/19/2003CN2540701Y Electric saving machine for motor
03/19/2003CN1404707A Fan protection
03/19/2003CN1404214A Step failing out detecting apparatus and method for synchronous motor, driving apparatus for motor
03/19/2003CN1404149A Semiconductor device with electrostatic discharge protective circuit
03/19/2003CN1103507C Protector for AC motor
03/18/2003US6535370 Apparatus and method for representing protection device trip response
03/18/2003US6534947 Pump controller
03/18/2003US6534940 Marine macerator pump control module
03/18/2003US6534883 Power supplying apparatus for a vehicle and an intensive wiring apparatus
03/13/2003WO2002103874A3 Anti-pinch window control system and method
03/13/2003WO2002061905A3 Aircraft applicable ground fault circuit interrupter
03/13/2003US20030051086 Automated calibration of I/O over a multi-variable eye window
03/13/2003US20030048087 Method for protecting an electrical motor against thermal overload
03/13/2003US20030048007 Electronic power management system
03/13/2003US20030047331 Microprocessor for controlling the speed and frequency of a motor shaft in a power tool
03/12/2003EP1292012A2 Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof
03/12/2003EP1292010A2 Protection of a generator without measuring temperature
03/12/2003EP1290770A1 Method for controlling the displacement of a part, displaced by an electromotor, of a closure device in a motor vehicle
03/12/2003EP1290706A1 Switch, especially a coding switch
03/12/2003CN2540060Y Heat protector for dry transformer
03/12/2003CN1402900A System for power transformer differential protection
03/12/2003CN1402405A Pole transformer load monitoring system using wireless internet
03/12/2003CN1402404A DC system short circuit protection device
03/12/2003CN1402403A Parallel power supply device with over voltage protection function
03/12/2003CN1402402A Power supply testing circuit for three-phase inductive motor
03/12/2003CN1402401A Floating threshold and current ratio brake combined turn-to-turn protection method for electric generator
03/12/2003CN1402400A Variable slope differential ratio protection method
03/12/2003CN1402399A Relay protection device
03/12/2003CN1103131C protective controller of electric power system, monitoring system and storage medium of storage program
03/11/2003US6531840 Power window apparatus provided with control part for detecting pinching and method for controlling the same
03/11/2003US6531789 Electric energy source having safety control device
03/06/2003WO2002097940A3 Overcurrent detection and protection apparatus for switching element
03/06/2003US20030043518 Methods and apparatus for distributing electrical power
03/06/2003US20030042876 Protection of a generator without measuring temperature
03/06/2003US20030042866 Battery control device
03/05/2003EP1289093A2 Protective relay system
03/05/2003EP1287610A1 Method for determining the position of an element driven by the drive shaft of a direct current motor
03/05/2003CN2539349Y 电动机管理控制器 Motor Management Controller
03/05/2003CN2539336Y Automatic charger with multiple protection function
03/05/2003CN2539332Y Contactless integrated protector for electric coal drill
03/05/2003CN2539331Y Rotating speed protector for generator set
03/05/2003CN2539329Y 电子电路防水器 Waterproof electronics devices
03/05/2003CN1400715A Generator protecting monitor and its use
03/04/2003US6528961 Movable barrier operator having force and position learning capability
03/04/2003US6528903 Converter system having converter modules connected by a DC intermediate circuit, and method for operating such a system
03/04/2003US6526643 Method for managing the operation of a seat and seat implementing this method
02/2003
02/27/2003WO2003017460A1 Device and method for monitoring the connection of an electrical supply unit
02/27/2003US20030039473 Active current-limiting control for dc motor speed regulation
02/27/2003US20030039086 Protective relay system
02/27/2003US20030038606 Electro-mechanical actuator including brushless DC motor for providing pinch protection
02/27/2003US20030038604 Method and apparatus for facilitating control of a movable barrier operator
02/27/2003US20030038545 Electric energy source having safety control device
02/26/2003EP1286429A2 Arc prevention circuits
02/26/2003CN1399385A Quick differential protective discrimination for critical blocking surge parameter and adaptation of parameter
02/26/2003CN1399384A Fault-tolerant quick discrimination method for differential protection of parallel reactor
02/26/2003CN1399383A Fuzzy control method for relay protection of very-high voltage power equipment
02/26/2003CN1399382A Fault-tolerant discrimination method for turn-to-turn short-circuit protection of parallel reactor
02/26/2003CN1399381A Quick discrimination method for dynamic impedance of parallel reactor