Patents for H02P 9 - Arrangements for controlling electric generators for the purpose of obtaining a desired output (15,039)
08/1998
08/12/1998CN1190161A Power changing system for two-way changing between hydraulic energy and electric energy
08/11/1998US5793625 Boost converter regulated alternator
08/11/1998US5793167 Operation of a motor vehicle alternator
08/06/1998WO1998034312A1 Synchronous machine
08/06/1998WO1998034022A1 Propulsion system, especially automotive, and method for frustrating a change of the idling speed in such a system
08/06/1998DE19704153A1 Antriebssystem, insbesondere für ein Kraftfahrzeug und Verfahren zum Entgegenwirken einer Änderung der Leerlaufdrehzahl in einem Antriebssystem Drive system, in particular for a motor vehicle and method for counteracting a change in the idling speed in a drive system
08/06/1998CA2279414A1 Synchronous machine
08/05/1998CN1189889A Process and device for dosing the thermal output of combined heat and power generationg systems
08/05/1998CN1189717A Cableway generating method
07/1998
07/30/1998WO1998033268A1 Boost mode power conversion
07/23/1998WO1998032216A1 Resonant macrosonic synthesis (rms) energy conversion
07/23/1998CA2277812A1 Resonant macrosonic synthesis (rms) energy conversion
07/21/1998US5783932 Power generation plant and control apparatus therefor
07/21/1998US5783891 Brushless synchronous machine
07/16/1998WO1998031089A1 Generator for internal combustion engine
07/15/1998CN1187714A Electric power supplying apparatus
07/14/1998US5780997 Variable reluctance alternating current generator
07/14/1998US5780996 Alternating current generator and schottky barrier diode
07/14/1998US5780953 Alternator
07/08/1998EP0770189A4 Engine induction air driven alternator
07/07/1998US5777459 Induction electrical power generating system with variable numbers of poles and excitation frequency
07/02/1998WO1998028832A1 Hybrid generator apparatus
07/02/1998DE19755653A1 Driving device for MOS transistor
07/01/1998EP0712545A4 Versatile ac dynamo-electric machine
06/1998
06/30/1998US5773964 Output and torque control of an automotive alternator
06/25/1998DE19745747A1 Power conversion system for bi-directional conversion between hydraulic and electrical energy, e.g for aircraft
06/25/1998DE19651364A1 Device for improving mains compatibility of wind-power plants with asynchronous generators
06/24/1998EP0848842A1 Timepiece movement
06/24/1998CN1185868A Hybrid alternator having voltage regutator
06/23/1998US5771478 Vehicle drive system with electrical power regeneration
06/23/1998US5770939 Programmable amplitude ramp generator for automotive voltage regulators
06/23/1998US5770909 Wound rotor synchronous motor-generator and field control system therefor
06/18/1998WO1998026493A1 Permanent magnet generator for providing alternating current which has a selected frequency
06/17/1998EP0847496A1 Method of operating a wind power station
06/17/1998CN1038799C A. C. generator for vehicles
06/16/1998US5767637 Speed controller for an alternator
06/16/1998US5767584 Method for generating electrical power from fuel cell powered cars parked in a conventional parking lot
06/11/1998WO1998025337A1 Device for setting the output voltage in a three-phase alternator
06/11/1998WO1998025014A2 Electrical system for turbine/alternator on common shaft
06/10/1998EP0664887B1 Circuitry for measuring the speed of rotation of an alternator
06/10/1998EP0645058B1 Voltage regulator to control the output voltage of a generator
06/09/1998US5764462 Field ground fault detector and field ground fault relay for detecting ground corresponding to DC component extracted ground fault current
06/09/1998US5764036 Multiple output decoupled synchronous generator and electrical system employing same
06/04/1998DE19649790A1 Vorrichtung zur Regelung der Ausgangsspannung eines Drehstromgenerators Device for regulating the output voltage of an alternator
06/03/1998CN2283331Y Voltage regulator for automobile generator
06/02/1998US5760507 Electrical generating system for a motor vehicle
06/02/1998US5760486 Charge control system for use in internal combustion engine
05/1998
05/27/1998EP0843912A1 Process and device for operating an asynchronous motor
05/22/1998WO1998011643A3 Isolated electrical system including asynchronous machine with prime mover and inverter/rectifier
05/20/1998EP0842560A1 Programmable amplitude ramp generator for automotive voltage regulators
05/20/1998EP0786167A4 Controller for permanent magnet generator
05/19/1998US5754033 Control system and circuits for distributed electrical-power generating stations
05/19/1998US5754032 Alternator control system
05/19/1998US5754031 Vehicular electric power generating system
05/19/1998US5754030 Duty ratio control for a vehicular generator responsive to low and high power loads
05/19/1998US5753989 Hybrid alternator
05/14/1998WO1998020594A1 Vehicular power management system and method
05/14/1998CA2271123A1 Vehicular power management system and method
05/13/1998EP0840949A1 Power converter drive
05/13/1998CN2281615Y Anti-short-circuit generator with stable voltage output and fault indicator
05/12/1998US5751069 Heat engine generator control system
05/06/1998CN2281041Y High-efficiency automobile voltage regulator
05/06/1998CN2281034Y Votage-stabilizing rectifier for motorcycle
05/05/1998US5748463 Generating apparatus for vehicle
05/05/1998US5747971 Position and velocity sensorless control for a motor generator system operated as a motor using exciter impedance
05/05/1998US5747909 Hybrid alternator
04/1998
04/29/1998EP0838396A1 Power converting system for bidirectional conversion between hydraulic and electrical energy
04/29/1998EP0782788B1 Method and device for monitoring at least two redundant control channels for an electric-generator exciter
04/28/1998US5744941 Single-wire-connected high-sensitivity dual-mode a.c./d.c. turn-on/turn-off stage for an electronic voltage regulator
04/23/1998WO1998016989A1 Generator
04/22/1998EP0837555A1 Regulating device for brushless synchronous alternator
04/22/1998EP0837231A2 Gaseous fuel compression and control system and method
04/22/1998EP0836761A1 Doubly salient permanent magnet machine with field weakening (or boosting) capability
04/22/1998CN1038169C Multiphase switching system and generator arrangement having such switching system
04/21/1998US5742515 Asynchronous conversion method and apparatus for use with variable speed turbine hydroelectric generation
04/15/1998EP0835411A1 Process and device for dosing the thermal output of combined heat and power generation systems
04/15/1998CN2279031Y Incombustible oil capacity charge and discharge electric generator
04/14/1998US5739677 Vehicle power generating system
04/14/1998US5739676 Multiple-alternator electrical system
04/08/1998CN2278305Y Electronic voltage-stabilizing permanent-magnet generator
04/08/1998CN2278304Y Electronic voltage regulator with short circuit protection function for car generator
04/07/1998US5737164 Switched reluctance machine capable of improved fault operation
03/1998
03/26/1998WO1998012797A1 Interconnection system for electrical systems having differing electrical characteristic
03/26/1998WO1998012792A1 Voltage control device
03/26/1998DE19713555A1 Torque harmonic compensation method for diesel motor- three=phase AC generator set
03/26/1998DE19638357A1 Einrichtung zur Spannungsregelung Voltage regulating device
03/25/1998CN2277142Y Self-exciting automotive permanent-magnet a.c generator
03/24/1998US5731690 Electric power supply system for vehicle
03/24/1998US5731689 Control system for A.C. generator
03/24/1998US5731649 Electric motor or generator
03/19/1998WO1998011643A2 Isolated electrical system including asynchronous machine with prime mover and inverter/rectifier
03/19/1998CA2265716A1 Isolated electrical system including asynchronous machine with prime mover and inverter/rectifier
03/18/1998EP0829389A2 Power output apparatus and method of controlling the same
03/18/1998EP0829124A1 Device and process for generating a regulated voltage
03/18/1998CN2276686Y Voltage statilizing magneto
03/18/1998CN1176525A Alternating current generator control apparatus for vehicle
03/17/1998US5729118 Variable speed induction generator-motor with controllable excitation frequency
03/10/1998US5726560 Switched reluctance generator
03/10/1998US5726559 Synchronous electric power generating apparatus and magnetization control method for the same
03/10/1998US5726558 AC power generating apparatus and method