Patents for H02P 9 - Arrangements for controlling electric generators for the purpose of obtaining a desired output (15,039) |
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08/19/1980 | CA1084113A1 Induction generator excitation system |
08/12/1980 | US4217538 Regulated permanent magnet D.C. power supply |
08/05/1980 | US4216514 Protective device for brushless exciting device |
07/29/1980 | CA1082770A1 Variable speed, constant frequency induction generator system |
07/29/1980 | CA1082768A1 Excitation system for multi-phase induction generator |
07/23/1980 | EP0013637A1 Electrical D.C. supply circuit with polarity inversion control and adjustable voltage for an autonomous electromagnetic hoisting device |
07/09/1980 | EP0012961A1 Device for the determination of faults in electric distribution networks influencing the frequency and application of such a device for frequency regulation in said networks |
07/08/1980 | US4211932 Power recovery system |
07/08/1980 | US4211931 Electronic speed error signal processing circuit |
07/01/1980 | US4210857 Field exerting and regulator circuit for a brushless alternator |
06/24/1980 | CA1080304A1 Electronic voltage regulator for three-phase generators |
06/17/1980 | US4208591 Gas turbine power plant control apparatus including a turbine load control system |
06/11/1980 | EP0011807A1 Circuitry for damping power oscillations in networks |
05/27/1980 | US4205235 Automatic electrical load matching device for wind generators |
04/30/1980 | EP0010449A1 A method of and apparatus for charging a vehicle battery |
04/22/1980 | CA1076204A1 Electrical generating system, particularly for automotive use |
04/16/1980 | EP0009895A1 A voltage control apparatus for electric generators for vehicles |
04/08/1980 | US4197492 Current generating system with output winding switching device |
03/25/1980 | CA1074395A1 Quadrature axis field brushless exciter |
03/11/1980 | US4193005 Multi-mode control system for wind turbines |
03/05/1980 | EP0008584A1 Multi-mode control system for wind turbines |
03/04/1980 | CA1073049A1 Main field current transient control circuit for dynamoelectric machines |
02/19/1980 | US4188781 Non-linear dual mode regulator circuit |
02/12/1980 | CA1071735A1 Steam turbine control system and method |
02/06/1980 | EP0007389A1 Power recovery system and method therefor |
01/29/1980 | CA1070757A1 Field overvoltage protecting apparatus for synchronous machine |
01/22/1980 | US4185203 Closed loop rotational speed control system for twin-shaft type gas turbine electric generator |
01/15/1980 | US4184083 Closed loop rotational speed control system for gas turbine engine electric generator |
01/08/1980 | US4182960 Integrated residential and automotive energy system |
01/01/1980 | US4181840 Anticipative turbine control |
12/18/1979 | US4179742 System for intelligently selecting the mode of control of a power plant |
12/04/1979 | US4177415 Voltage regulator for use with a polyphase magneto generator |
12/04/1979 | US4177414 Controllable voltage A.C. generator system |
11/27/1979 | CA1067149A1 Three-phase quasi-square wave vscf induction generator system |
11/13/1979 | CA1066392A1 Lifting force responsive load control for electrically propelled earthmoving vehicles |
11/01/1979 | WO1979000878A1 Device for smoothing an output voltage of an electric generator |
10/31/1979 | EP0004984A1 Frequency control circuit for electric power distribution networks |
10/18/1979 | WO1979000815A1 Charging generator controllers |
10/02/1979 | US4169992 Feedback speed control of spring powered generator |
07/17/1979 | US4161658 Wind turbine generator having integrator tracking |
07/11/1979 | EP0002981A1 Method and apparatus for regulating the voltage of an electrical generator |
06/12/1979 | CA1056453A1 Gas turbine power plant control apparatus including an ambient temperature responsive control system |
06/12/1979 | CA1056452A1 Gas turbine power plant control apparatus including a load control system |
05/22/1979 | US4156172 Main field current transient control circuit for dynamoelectric machines |
05/15/1979 | US4155107 Generator earth fault protection |
05/15/1979 | CA1054484A1 Flow tubes for producing electric energy |
05/01/1979 | US4152636 Fast de-excitation brushless exciter |
05/01/1979 | US4151712 Protective shutdown system for combined cycle plant having a dual liquid fuel system |
04/03/1979 | CA1051977A1 Modulated induction generator |
03/27/1979 | US4146264 Load control for wind-driven electric generators |
03/06/1979 | US4143313 Automotive voltage regulator to control voltge supply to an on-board vehicle network |
03/06/1979 | US4143280 Control system for a tertiary winding self-excited generator |
03/06/1979 | CA1050125A1 Synchronous demodulator circuit |
02/27/1979 | US4141613 Electrical generating system, particularly for automotive use |
02/13/1979 | US4139780 Multi-channel generator drive system |
02/06/1979 | US4138634 Automatic voltage regulator for an AC generator with a field winding |
02/06/1979 | US4137780 Apparatus for monitoring phase currents and torsional vibrations of a turbine-generator |
01/30/1979 | CA1047601A1 Device for automatic excitation of brushless electrical machines |
12/12/1978 | US4129819 Voltage regulator circuit for motor vehicle generator with feedback to oppose regulator transients |
12/12/1978 | US4129818 Excitation control apparatus suited for normal stop operation of synchronous generators |
12/05/1978 | US4128802 Solid state voltage regulated automotive-type electrical power supply system |
12/05/1978 | US4128801 Voltage regulator structure for automotive-type generators |
10/10/1978 | US4118935 Regulation system for a steam turbine installation |
10/03/1978 | US4118749 Field overvoltage protecting apparatus for synchronous machine |
09/26/1978 | US4117388 Alternating current generator |
09/12/1978 | US4114084 Turbine-generator protection system with electronic sampling filter |
09/12/1978 | CA1038476A1 Power application controller for a prime mover to adjust its power out to a demand load |
08/29/1978 | CA1037560A1 Voltage regulator with controlled current boost |
08/15/1978 | US4107542 Time delayed relay sequencer and alarm reset for a gas turbine local maintenance controller |
08/15/1978 | CA1036669A1 Gas turbine power plant control apparatus including a temperature reset starting control system and an ignition pressure control system |
08/08/1978 | US4105963 Brushless welding generator |
07/25/1978 | US4103217 Brushless synchronous generator with an exciter |
07/04/1978 | US4099237 Programmable turbine speed controller |
07/04/1978 | US4099067 Load-shedding control for diesel-electric sets |
06/20/1978 | US4096429 Voltage and current regulator for generating systems |
06/13/1978 | US4095120 Load control for wind-driven electric generators |
06/06/1978 | US4093869 Quadrature axis field brushless exciter |
05/16/1978 | US4090065 System and method for operating a steam turbine with protection provisions for a valve positioning contingency |
05/09/1978 | US4088875 Optimum sequential valve position indication system for turbine power plant |
05/02/1978 | US4087698 Alternating current power generating system |
03/28/1978 | US4081692 Apparatus for supplementing commercial power subject to brownout and blackout failures |
03/21/1978 | US4080559 Torsional protective device for power system stabilizer |
03/14/1978 | USRE29579 Dual source auxiliary power supply |
03/14/1978 | US4079307 Alternating current generating device |
02/14/1978 | US4074357 Analog control and digital system with integrated interface for electric power and other plants |
01/17/1978 | US4069424 Shaft turning parking bus for multiple unit installations utilizing a single motorized generator control system |
11/22/1977 | US4059771 Wind electric plant with improved alternator field excitation |
10/11/1977 | US4053786 Transducer out of range protection for a steam turbine generator system |
10/11/1977 | US4053746 System and method for operating a steam turbine with digital computer control having integrator limit |
09/06/1977 | US4047095 Brushless three-phase current generator having a device for self-excitation and automatic control of the energizing current |
08/23/1977 | US4044296 Electronic voltage regulator for three-phase generators |
08/09/1977 | US4041368 Three-phase, quasi-square wave VSCF induction generator system |
08/02/1977 | US4040115 Semi-conductor regulators, particularly for motor vehicle generators |
07/12/1977 | US4035713 Automatic voltage regulating system in brushless generator |
07/12/1977 | US4035712 Electrical generating apparatus |
06/28/1977 | US4032835 Brushless exciter supplemental ceiling excitation system |
06/21/1977 | US4031455 Excitation circuit for brushless synchronous welding generators |
05/24/1977 | US4025762 Reference signal circuit |
05/17/1977 | US4024456 Generator system with speed responsive output winding switching device |
04/26/1977 | US4019315 Gas turbine power plant control apparatus including a temperature reset starting control system and an ignition pressure control system |