Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02H - Emergency protective circuit arrangements › 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
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)
04/1998
04/02/1998WO1998013919A1 Adaptive ground and phase fault detection for a power distribution system
04/02/1998DE19637631A1 Anordnung zur Erkennung von Einklemmsituationen bei elektrischen Antrieben Configuration for detecting jamming situations in electric drives
04/02/1998DE19637435A1 Elektronische Sicherung Electronic Security
04/02/1998CA2238106A1 Battery protection circuit
04/01/1998EP0833422A2 Power converter
04/01/1998CN2277594Y Motor protector preventing against phase interruption
04/01/1998CN2277593Y Motor protector
03/1998
03/31/1998US5734576 Method and apparatus for remote testing of coordination of overcurrent protection devices in an electrical power system
03/31/1998US5734256 Apparatus for protection of power-electronics in series compensating systems
03/31/1998US5734245 Power window control device
03/31/1998US5734244 Safety appliance for movable parts
03/26/1998WO1998012787A1 Actuator, in particular an electric motor gear drive system, for moving closure parts operated by extraneous force
03/26/1998WO1998012786A1 Jamming detection device for electrical drives
03/26/1998DE19638781A1 Stellantrieb, insbesondere Elektromotor-Getriebe-Antrieb, zur Bewegung von fremdkraftbetätigten Schließteilen Actuator, in particular electric motor-gear drive for movement of power-operated closing parts
03/26/1998DE19637574A1 Verfahren und Anordnung zur Abschaltung von Verbrauchern Method and apparatus for shutdown of consumers
03/25/1998EP0831571A2 Charging control system
03/25/1998EP0831570A2 Inductively activated control and protection circuit for refrigeration systems
03/25/1998CN2277137Y Dynamo protector
03/25/1998CN1177232A Paralleled converter for induction furnace
03/25/1998CN1177228A Circuit for detecting overcharging and overdischarging
03/25/1998CN1177227A Use of photo-indicated melt on electric motor and method therefor
03/25/1998CN1177226A Sequence based network protector relay with forward overcurrent protection and anti-pumping feature
03/25/1998CN1177217A Battery pack with battery protection circuits
03/24/1998US5731939 Quench-protecting electrical circuit for a superconducting magnet
03/19/1998WO1998011644A1 Method and arrangement for disconnecting consumers
03/19/1998WO1998011642A1 Electronic fuse
03/19/1998WO1998011641A2 Digital current differential system
03/19/1998WO1998011620A1 Power supply and method of protecting batteries therein
03/18/1998EP0746684A4 Soft-start pump control system
03/18/1998EP0707751B1 Process for controlling the d.c. motor used for moving a window in a motor vehicle
03/18/1998CN2276679Y Multifunction motor safeguard
03/18/1998CN1176475A Apparatus and method for adjustment and coordination of circuit breaker trip curves through graphical manipulation
03/17/1998US5729104 Power window apparatus for vehicle
03/17/1998US5729062 Active plug-in circuit
03/17/1998US5729061 Over discharge protection circuit for a rechargeable battery
03/16/1998CA2215562A1 Sequence based network protector relay with forward overcurrent protection and anti-pumping feature
03/12/1998WO1998010501A1 Phase monitor
03/12/1998DE19741662A1 Procedure for fully selective reserve protection in cable networks with motors
03/12/1998DE19648248C1 Automatic operation of motor-driven dividing wall with different operating modes
03/12/1998DE19636501A1 Overvoltage protection device for converter apparatus
03/12/1998DE19635158A1 Electronic trip for circuit-breaker e.g. for motor protection relay
03/11/1998EP0828334A2 Overcurrent protection circuitry for non-isolated battery discharge controller
03/11/1998EP0828332A1 Vacuum pump status evaluation system
03/11/1998EP0828331A2 Quench-protecting electrical circuit for a superconducting magnet
03/11/1998EP0828330A2 Actuator with electric motor protected against overload
03/11/1998EP0828329A2 Apparatus and method for adjustment and coordination of circuit breaker trip curves through graphical manipulation
03/11/1998CN2276220Y Protective circuit for silicon rectifier generator regulator
03/11/1998CN1175751A Abnormality detecting device for phase advancing capacitor
03/11/1998CN1037731C Protective circuit and protective plug for telecommunication installations
03/11/1998CA2214750A1 System for preventing a vehicle battery from being excessively discharged
03/10/1998US5726849 Input overcurrent suppression circuit
03/05/1998WO1998009361A1 Power supply
03/05/1998WO1998009359A1 Secure voltage bus
03/05/1998DE19634094A1 Stromversorgungsanlage für Inselnetze Power supply system for isolated networks
03/05/1998CA2234734A1 Power supply unit
03/04/1998EP0827251A2 Electrical low voltage switchgear
03/04/1998CN1175106A Electronic relay
03/03/1998US5723960 Method of and apparatus for opening/closing control of motor-driven opening/closing member of vehicle
03/03/1998US5723959 Power window driving control device
03/03/1998US5723958 Arrangement for operating a consumer in a motor vehicle
02/1998
02/26/1998WO1998008287A1 Power supply for separate networks
02/26/1998WO1998008286A1 Servo motor, in particular electric motor gear drive
02/26/1998WO1998008148A1 Method for the contactless approach of the lower stop position of a motor vehicle window operated by extraneous force
02/26/1998DE19633941A1 Stellantrieb, insbesondere Elektromotor-Getriebe-Antrieb Actuator, in particular electric motor-gear drive
02/25/1998EP0825806A1 Circuit for operating incandescent lamps
02/25/1998EP0825698A2 Method for supervising and controlling the process of opening and closing electrically driven aggregats
02/25/1998EP0824969A2 Control system for laboratory centrifuge
02/25/1998EP0561900B1 Circuit protection device
02/25/1998CN1174440A Charge/discharge control circuit and charging type power-supply unit
02/24/1998US5721662 Floating ground isolator for a communications cable locating system
02/24/1998US5721474 Method and apparatus for preventing excessive current flow in a motor
02/19/1998WO1997045054A3 Motor controlled surgical system and method having self clearing motor control
02/18/1998EP0823957A1 Auto reverse power closure system
02/18/1998CN2274834Y Open phase protecting device for A. C. contact interlocking motor
02/18/1998CN2274833Y Protector for electric motor
02/18/1998CN2274832Y Protector for IC motor
02/18/1998CN1173755A Overcurrent protection circuit
02/17/1998US5719738 Circuit breaker remote closing operator
02/17/1998US5719732 Overload protecting device
02/17/1998US5719519 Circuit and method for reconstructing a phase current
02/12/1998DE19633526A1 Remote protection/branch protection for power transmission line shorting
02/11/1998EP0823765A1 Process for monitoring short-circuits
02/11/1998EP0823764A2 Process for checking the operation and for determining the trip current of residual current breakers responsive to dc or any current
02/11/1998CN2274385Y Three-phase power-supply unbalance protector
02/11/1998CN1173061A Protection system for power receiving station
02/11/1998CN1037392C Wave mode symmetrical method for transformer differential protection
02/10/1998US5717561 Sharing arrangement for surge protection circuitry
02/10/1998US5717298 Brushless DC motor start circuit that suppresses field excitation during alternate polyphase commutation states when starting
02/05/1998DE19630989A1 Optical differential protection arrangement e.g. for HV power distribution equipment
02/04/1998EP0822635A2 Protection system for power receiving station
02/04/1998CN2273917Y Phase interruption protective device for ac electric motor
02/04/1998CN2273916Y Phase interruption protective connector for electric motor
02/04/1998CN2273915Y Phase interruption protective and safety control device for three phase ac electris motor
02/04/1998CN2273914Y Phase interruption protector for electric motor
02/04/1998CN2273913Y Multi-function air switch with electric motor protection
02/04/1998CN1172553A Battery pack having under-voltage and over-voltage protection
02/04/1998CN1172374A Circuit breakers
02/03/1998US5715151 Control and protection system for AC-DC conversion system
02/03/1998US5715129 Electronic overload relay having intrinsic power supply operable from power applied to contactor coil
02/03/1998US5715124 System and method of isolation for detecting a passive protective function failure for an electric power generating system
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