| Patents for H02P 9 - Arrangements for controlling electric generators for the purpose of obtaining a desired output (15,039) |
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| 12/25/1991 | CN2091509U Integrated voltage regulator for automobile alternating current generator |
| 12/25/1991 | CN1057368A Constant voltage a.c. generator for tracotor |
| 12/24/1991 | US5075616 Engine generator apparatus and method of operating same |
| 11/27/1991 | EP0318475B1 Voltage regulator for a generator |
| 11/26/1991 | US5068591 Speed control for electrical generating system |
| 11/20/1991 | CN2089222U Regulator of ac generator for car |
| 11/20/1991 | CN2089221U Constant-voltage permanent magnet ac generator |
| 11/19/1991 | US5065581 Power plant and method of production of synchronous commercial electric power using diesel electric locomotives |
| 11/13/1991 | EP0456521A1 Power system control apparatus |
| 11/12/1991 | US5065086 Engine driven generator |
| 10/29/1991 | US5061889 Vehicle ac generator control device for adjusting output voltage in accordance with vehicle conditions |
| 10/22/1991 | US5059886 Charging generator |
| 10/22/1991 | US5059876 Brushless rotating electrical machine |
| 10/17/1991 | WO1991015895A1 Power plant for generation of electrical power and pneumatic pressure |
| 10/08/1991 | US5055765 Voltage regulator for direct current aircraft power bus |
| 10/02/1991 | EP0449397A2 Power supply device for a load of a trailer vehicle |
| 10/02/1991 | CN2086019U Transistor regulator for electric generator of automobile |
| 09/24/1991 | US5051682 System for detecting load on generator |
| 09/21/1991 | CA2012649A1 Air chargers and airturbo chargers |
| 09/19/1991 | DE4107867A1 Alternator for motor vehicle current supply - has permanent magnet rotor and electromagnet motor for flux-voltage regulation |
| 09/18/1991 | EP0446954A2 Control system for excitation of synchronous machine |
| 09/17/1991 | CA1289188C Variable speed generator-motor apparatus |
| 09/12/1991 | DE4007526A1 Alternator for motor vehicle - has auxiliary step=up transformer with tap for excitation winding voltage supply |
| 09/11/1991 | EP0446184A1 An electrical system for a motor vehicle with a device for defrosting the windscreen and/or the rear window |
| 09/11/1991 | CN2084683U Contactless voltage-controlled switch |
| 08/13/1991 | US5039933 Two-sided induction generator with both stator and rotor windings connected in parallel |
| 08/13/1991 | US5039932 Integrated variable reluctance generator for air frames |
| 08/07/1991 | EP0440185A2 Apparatus for reducing vibrations of the body of a vehicle |
| 08/07/1991 | EP0440088A1 Method of and apparatus for reducing vibrations of car body |
| 08/06/1991 | US5038095 Control for a DC link power conversion system |
| 08/06/1991 | US5038094 Reference trimming for a digital voltage regulator |
| 07/31/1991 | EP0438884A1 Control apparatus for electric generator |
| 07/31/1991 | EP0207087B1 Re-regulation circuit for automobile tachometer detection circuit |
| 07/30/1991 | US5036268 Procedure and apparatus for producing an a.c. voltage |
| 07/25/1991 | DE4016574A1 Terminal voltage limiter for three=phase alternator - uses overvoltage-dependent switch for automatic disconnection of exciter winding |
| 07/24/1991 | CN2081604U Electronic regulator with distinguish and displaying breakdown |
| 07/18/1991 | DE4001042A1 Bicycle dynamo with centrifugal force regulation - applied so that with increasing RPM air-gap is automatically widened to reduce effective flux |
| 07/17/1991 | EP0218682B1 Electromechanical transducer |
| 07/17/1991 | CN2081170U Electronic regulator |
| 07/04/1991 | DE3943278A1 Alternator for motor vehicle - has single diode and buffer capacitor between rotating generator winding and excitation winding of claw-pole rotor |
| 07/03/1991 | EP0435182A2 Control system for high-efficiency operation of generating units in hydroelectric power stations |
| 07/03/1991 | CN2080264U Ac electric generator adjustor for vehicles |
| 07/03/1991 | CN2080263U Transistor adjuster of automobile electric generator |
| 07/03/1991 | CN1052754A Device for controlling operation of at least two thermal engines coupled to same drive shaft of alternator |
| 07/02/1991 | US5029288 Method and apparatus for operating a variable speed power generation system |
| 07/02/1991 | US5028804 Brushless doubly-fed generator control system |
| 06/26/1991 | EP0434666A1 Electric machine and connection wheel for changing over the rotor windings |
| 06/26/1991 | EP0434490A1 Working control device for two internal combustion engines both linked with a common alternator driving axis |
| 06/19/1991 | EP0433040A1 Engine with flywheel generator |
| 06/19/1991 | CN1052403A Starter for gas-turbine generator |
| 06/19/1991 | CN1052357A Apparatus for reducing engine idling vibration |
| 06/19/1991 | CA2025286A1 Voltage regulator and rectifier having over-temperature protection |
| 06/18/1991 | CA1285047C Apparatus for stabilizing turbine-generator shaft torsional oscillations |
| 06/13/1991 | WO1991008613A1 Device for controlling change in idling |
| 06/13/1991 | WO1991008612A1 Device for controlling change in idling |
| 06/11/1991 | US5023540 Brushless power generating system having reduced conducted emissions in output power |
| 06/11/1991 | US5023539 Alternator voltage transient minimization method and apparatus |
| 06/11/1991 | CA1284821C Protection of gas engine or turbine from damage by changes in operating characteristics |
| 06/11/1991 | CA1284820C Speed avoidance logic for a variable speed wind turbine |
| 06/11/1991 | CA1284817C Excitation control apparatus for synchronous machine |
| 06/06/1991 | DE4038301A1 Suppressing motor vehicle bodywork vibration by alternator excitation - pulse width modulating field current supplied by proportional controller comparing measured and desired accelerations |
| 06/04/1991 | US5021727 Electric power supply system for motor vehicle |
| 06/04/1991 | US5020491 Method and apparatus for controlling power generation in internal combustion engines |
| 05/30/1991 | WO1991007800A1 Frequency insensitive digital phase angle measuring circuit |
| 05/29/1991 | CN2078058U Generator votage regulator of mechanically-propelled vehicle |
| 05/29/1991 | CN1051831A Silicon-rectified constant-voltage generator |
| 05/29/1991 | CN1012693B Generator set for building site |
| 05/28/1991 | US5019718 Frequency insensitive digital phase angle measuring circuit |
| 05/21/1991 | US5017857 Circuit and method for voltage regulation of electric power sources |
| 05/15/1991 | EP0427568A1 Apparatus for reducing engine idling vibration |
| 05/14/1991 | US5015941 Power conversion system with bi-directional power converter having prime mover start capability |
| 05/10/1991 | CA2029482A1 Steam powered electric generating system |
| 05/08/1991 | EP0426345A2 Generator system |
| 05/07/1991 | US5013996 Voltage regulator for a generator |
| 05/07/1991 | US5013995 Programmable current limit curve |
| 04/30/1991 | US5012177 Power conversion system using a switched reluctance motor/generator |
| 04/30/1991 | US5012172 Control system for switched reluctance motor operating as a power generator |
| 04/17/1991 | CN2075401U Voltage regulator for silicon rectifying generator having failur display |
| 04/17/1991 | CN1050800A Electric power system with line drop compensation |
| 04/10/1991 | EP0421689A2 Electric power system with line drop compensation |
| 04/10/1991 | EP0421332A2 Charging control apparatus for vehicle |
| 04/10/1991 | CN2074956U Chopper electronic stabilizer for magnetic electric motor |
| 04/09/1991 | US5006781 Microprocessor based integrated generator set controller apparatus and method |
| 04/04/1991 | CA2024922A1 Electric power system with line drop compensation |
| 04/03/1991 | EP0419867A2 Method for voltage regulation |
| 04/03/1991 | CN2074518U Electronic controller of integrated separately excited generator |
| 03/27/1991 | EP0418332A1 Low distortion control for a vscf generating system |
| 03/21/1991 | DE3929938A1 Overvoltage protection circuit for dynamo-using appliance - has two freewheeling voltage sources of different strength connectable to short circuit by overvoltage detector |
| 03/14/1991 | WO1991004606A1 Regulated ac power system energized by variable speed prime mover |
| 03/13/1991 | EP0416871A2 Load response control and method |
| 03/13/1991 | CN1049914A Method and apparatus for radio frequency signal detection |
| 03/12/1991 | US4999564 Power system stabilizer system having improved integrity checking scheme |
| 02/26/1991 | US4996519 Method and apparatus for monitoring an amplifier |
| 02/20/1991 | CN2071849U Intrinsic impedance type regulator for permanent-magnet-field generator |
| 02/20/1991 | CN2071848U Multifunction voltage regulator for automobile |
| 02/19/1991 | US4994684 Doubly fed generator variable speed generation control system |
| 02/12/1991 | US4992920 Regulated AC power system energized by variable speed prime mover |
| 02/12/1991 | US4992721 Inverter for starting/generating system |
| 02/12/1991 | US4992687 Generator with inherent overload limiting |
| 02/12/1991 | US4992672 Dual or single voltage vehicular power supply with improved switch driver and load pump |