ClassID:

218309

H02P9/04 - page 2 - CPC Classification

Classification description:

Arrangements for controlling electric generators for the purpose of obtaining a desired output Control effected upon non-electric prime mover and dependent upon electric output value of the generator

Recent Application in this class:
#301
20150130187
2015-05-14

Method of operating a wind park

#302
20150124496
2015-05-07

Method for charging a DC link of a wind turbine power electronic converter

#303
20150123817
2015-05-07

Warning application systems for vehicle movement activated electrical power generator, and method for providing electrical power

#304
20150115903
2015-04-30

Vehicular charging system

#305
20150115616
2015-04-30

Method of operating an internal combustion engine connected to an electric generator

#306
20150097376
2015-04-09

Method of operating an internal combustion engine coupled to a generator

#307
20150097373
2015-04-09

System for automatic power estimation adjustment

#308
20150091301
2015-04-02

Units and methods for energy storage

#309
20150076820
2015-03-19

Control of an engine-driven generator to address transients of an electrical power grid connected thereto

#310
20150061298
2015-03-05

Systems and methods for controlling acceleration of a power generator

#311
20150061290
2015-03-05

System and method for voltage control of wind generators

#312
20150061289
2015-03-05

System and method for voltage control of wind generators

#313
20150054291
2015-02-26

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#314
20150054287
2015-02-26

Sail-based electrical generation system and method

#315
20150048623
2015-02-19

METHOD FOR OPERATING AN ELECTRIC UNIT FOR A PUMPED-STORAGE POWER PLANT

#316
20150046010
2015-02-12

ELECTRIC POWER GENERATION CONTROL SYSTEM FOR HYBRID AUTOMOBILE

#317
20150046007
2015-02-12

ELECTRIC POWER GENERATION CONTROL SYSTEM FOR HYBRID AUTOMOBILE

#318
20150042293
2015-02-12

Energy production plant, in particular wind turbine

#319
20150042103
2015-02-12

Lifing and performance optimization limit management for turbine engine

#320
20150040963
2015-02-12

Solar power generation method and apparatus

#321
20150035499
2015-02-05

Method for using an electric unit

#322
20150035285
2015-02-05

Electric unit for a pumped-storage power plant having components within and outside of an underground cavern

#323
20150014998
2015-01-15

Method and apparatus for efficient fuel consumption

#324
20150008673
2015-01-08

Torque control for a wind turbine generator in case of fault

#325
20150001141
2015-01-01

DEVICE FOR GENERATING ELECTRICITY FROM A PRESSURIZED WATER CIRCULATION SYSTEM

#326
20140291994
2014-10-02

Vehicle and method of controlling vehicle

#327
20140271117
2014-09-18

Lifing and performance optimization limit management for turbine engine

#328
20140265353
2014-09-18

Adaptive variable speed genset control

#329
20140265327
2014-09-18

Systems and methods for variable speed operation of combustion engines

#330
20140253053
2014-09-11

Resonant commutation system for exciting a three-phase alternator

#331
20140252777
2014-09-11

Power generation system with controlled enclosure openings

#332
20140252767
2014-09-11

Power generation apparatus including predetermined slip-based time delay control for grid connection

#333
20140225575
2014-08-14

Method for regulating a generator set

#334
20140210217
2014-07-31

Gas turbine under frequency response improvement system and method

#335
20140203788
2014-07-24

Method for regulating a generator set

#336
20140197638
2014-07-17

Control system of variable speed pumped storage hydropower system and method of controlling the same

#337
20140183878
2014-07-03

Electric power generation control device and electric power generation control system

#338
20140183877
2014-07-03

PERMANENT MAGNET GENERATOR

#339
20140167423
2014-06-19

GENERATOR CONTROL SYSTEM FOR SMOOTH OPERATION WITH COMBUSION ENGINE

#340
20140167416
2014-06-19

System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions

#341
20140157818
2014-06-12

Permanent Magnet Generator Voltage Regulation

#342
20140152112
2014-06-05

Control method and control system for parallel operation of different types of power generation apparatuses

#343
20140145452
2014-05-29

Method and device for primary frequency regulation based on bang-bang control

#344
20140145441
2014-05-29

Stall controller and triggering condition control features for a wind turbine

#345
20140125134
2014-05-08

Mobile electricity generator using solar panels

#346
20140125132
2014-05-08

Power system

#347
20140121879
2014-05-01

Method, apparatus, signals and media, for selecting operating conditions of a genset

#348
20140103656
2014-04-17

Wind power generation system, device using wind power generation system, and method for operating same

#349
20140097619
2014-04-10

Wind turbine control method

#350
20140094338
2014-04-03

Infinitely variable motion control (IVMC) for generators, transmissions and pumps/compressors

#351
20140084587
2014-03-27

Wind turbine generator system and method for operating a wind turbine generator system

#352
20140077772
2014-03-20

Turbine array and a method of controlling a turbine array during a loss-of-grid event

#353
20140070544
2014-03-13

Hybrid geothermal power plant

#354
20140070539
2014-03-13

Wind turbine and method of operating a wind turbine

#355
20140062097
2014-03-06

POWER GENERATION SYSTEM

#356
20140054902
2014-02-27

Engine control device of work machine and engine control method therefor

#357
20140042745
2014-02-13

System and method for controlling speed and torque of a wind turbine during post-rated wind speed conditions

#358
20140015257
2014-01-16

Engine powered generator

#359
20140015250
2014-01-16

Wind turbine power production using positive and negative sequence current component parameters generated based on operational mode

#360
20140015249
2014-01-16

Wind power generation system and method for controlling excitation synchronous generator thereof

#361
20140010671
2014-01-09

System and method for powering a hydraulic pump

#362
20140008988
2014-01-09

Power distribution systems comprising variable frequency AC generator

#363
20140001873
2014-01-02

Method and device for controlling internal combustion engine driven generator set to run in parallel

#364
20140001770
2014-01-02

Multiple-frequency inversion method and control apparatus for internal combustion engine driven generator

#365
20140001763
2014-01-02

Wind park control system

#366
20130320674
2013-12-05

Net Present Value Optimized Wind Turbine Operation

#367
20130307269
2013-11-21

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#368
20130300132
2013-11-14

Vehicle movement activated electrical power generator, and method for providing electrical power for roadside applications

#369
20130300115
2013-11-14

SYSTEMS AND METHODS FOR OPTIMIZING POWER GENERATION IN A WIND FARM TURBINE ARRAY

#370
20130294943
2013-11-07

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#371
20130291960
2013-11-07

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#372
20130279214
2013-10-24

Power regenerative converter and power conversion apparatus

#373
20130278228
2013-10-24

Method of controlling speed of a variable speed generator

#374
20130277972
2013-10-24

Method of controlling a wind turbine in a wind power plant

#375
20130277971
2013-10-24

Horizontal axis wind turbine systems and methods

#376
20130276440
2013-10-24

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#377
20130274934
2013-10-17

Charging an energy storage device with a variable speed generator

#378
20130272878
2013-10-17

System, device, and method for adjusting wind turbine component workload

#379
20130270824
2013-10-17

Vertical axis wind turbine

#380
20130264824
2013-10-10

Method for operating a power generation system

#381
20130261820
2013-10-03

Method for early detection and anticipatory control of consumer-end load shedding in an electrical grid, and apparatus for carrying out the method

#382
20130241202
2013-09-19

Electrical yaw drive for a wind turbine, wind turbine and method for operating a wind turbine

#383
20130241201
2013-09-19

Wind turbine and method for operating a wind turbine

#384
20130239861
2013-09-19

TURBINE-INTEGRATED HYDROFOIL

#385
20130221684
2013-08-29

Method and apparatus for efficient fuel consumption

#386
20130207394
2013-08-15

Generator torque control methods

#387
20130207393
2013-08-15

Wind farm harmonic predictor and method for predicting harmonics

#388
20130187385
2013-07-25

Wind-turbine-generator control system, wind turbine generator, wind farm, and wind-turbine-generator control method

#389
20130187383
2013-07-25

SYSTEM AND METHOD FOR OPERATING A WIND TURBINE USING ADAPTIVE REFERENCE VARIABLES

#390
20130175800
2013-07-11

Wind farm and method for operating a wind farm

#391
20130168961
2013-07-04

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#392
20130161956
2013-06-27

Estimation of wind conditions at a wind turbine

#393
20130161950
2013-06-27

Wind power generating system and method for controlling the same

#394
20130158828
2013-06-20

Reducing and/or harvesting drag energy from transport vehicles, including for chemical reactors, and associated systems and methods

#395
20130147208
2013-06-13

Gas turbine control device and generating system

#396
20130147206
2013-06-13

Power generator power generation facility

#397
20130129472
2013-05-23

Wind turbine

#398
20130127165
2013-05-23

WIND POWER ELECTRICITY GENERATING SYSTEM AND RELATIVE CONTROL METHOD

#399
20130121846
2013-05-16

Advanced topologies for offshore power systems

#400
20130119660
2013-05-16

Wind-power generation system and control method for the same

#401
20130106368
2013-05-02

Turbo charger generator

#402
20130106118
2013-05-02

Method for monitoring and controlling engine speed

#403
20130106109
2013-05-02

WIND POWER INSTALLATION AND METHOD FOR ADJUSTING THE ROTOR ROTATION AXIS

#404
20130101502
2013-04-25

Reducing and/or harvesting drag energy from transport vehicles, including for chemical reactors, and associated systems and methods

#405
20130099508
2013-04-25

METHODS FOR USING A CARBON DIOXIDE CAPTURE SYSTEM AS AN OPERATING RESERVE

#406
20130085621
2013-04-04

Hybrid intelligent control method and system for power generating apparatuses

#407
20130082468
2013-04-04

Load protection system for a turbine

#408
20130066503
2013-03-14

Method, apparatus, signals and media, for selecting operating conditions of a genset

#409
20130020192
2013-01-24

Wind Turbine Fuel Generation System

#410
20130001955
2013-01-03

Variable-speed power generator and method of controlling the same

#411
20120326452
2012-12-27

Stall Controller And Triggering Condition Control Features For A Wind Turbine

#412
20120326443
2012-12-27

VARIABLE SPEED POWER GENERATION FROM INDUSTRIAL FLUID ENERGY SOURCES

#413
20120306218
2012-12-06

Managed pneumatic turbine power supply

#414
20120299300
2012-11-29

TURBINE GENERATOR SYSTEM

#415
20120292921
2012-11-22

Stationary power plant

#416
20120286524
2012-11-15

Power system

#417
20120286522
2012-11-15

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#418
20120274068
2012-11-01

Atmospheric energy extraction devices and methods

#419
20120269651
2012-10-25

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#420
20120260645
2012-10-18

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#421
20120248772
2012-10-04

CONTROL DEVICE OF WIND TURBINE GENERATOR, WIND TURBINE GENERATOR, WIND FARM, AND CONTROL METHOD FOR WIND TURBINE GENERATOR

#422
20120243991
2012-09-27

Infinitely variable motion control (IVMC) for generators, transmissions and pumps/compressors

#423
20120242084
2012-09-27

Collapsible horizontal axis wind generator

#424
20120232710
2012-09-13

Generator reserve capacity control system and network

#425
20120230021
2012-09-13

Adaptive hydrokinetic energy harvesting system

#426
20120193988
2012-08-02

Hybrid inverter generator

#427
20120181989
2012-07-19

ELECTRIC ENERGY GENERATING APPARATUS AND MOBILE ELECTRIC DEVICE THEREOF

#428
20120175876
2012-07-12

Control of an engine-driven generator to address transients of an electrical power grid connected thereto

#429
20120169277
2012-07-05

Portable charging device

#430
20120153904
2012-06-21

Resonant commutation system for exciting a three-phase alternator

#431
20120153618
2012-06-21

Energy systems, energy devices, energy utilization methods, and energy transfer methods

#432
20120139264
2012-06-07

Protection arrangement of an electric power system

#433
20120139243
2012-06-07

Method and system for resonance dampening in wind turbines

#434
20120118137
2012-05-17

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#435
20120115662
2012-05-10

System and method for providing a constant output from a variable flow input

#436
20120104761
2012-05-03

Ocean wave energy converter and method of power generation

#437
20120091931
2012-04-19

Induction motor torque control in a pumping system

#438
20120091716
2012-04-19

Systems and methods for providing AC power from multiple turbine engine spools

#439
20120089287
2012-04-12

Hybrid electric power device for crane and control method of hybrid electric power device for crane

#440
20120086220
2012-04-12

Energy system for heavy equipment

#441
20120074912
2012-03-29

INVERTER GENERATOR

#442
20120061965
2012-03-15

Vertical axis wind turbine with electronically controlled assisted start mechanism and controlled airflow

#443
20120061963
2012-03-15

Power system frequency inertia for power generation system

#444
20120061962
2012-03-15

Blade pitch control system, wind turbine generator, and blade pitch control method

#445
20120061958
2012-03-15

Wind turbine generator with a control unit for controlling a rotation speed of a main shaft

#446
20120059555
2012-03-08

Fuel efficient crane system

#447
20120057996
2012-03-08

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#448
20120055147
2012-03-08

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#449
20120053809
2012-03-01

Engine control apparatus

#450
20120049530
2012-03-01

Wind Driven Power Generator with Moveable Cam

#451
20120049516
2012-03-01

METHOD, SYSTEM, AND COMPUTER PROGRAM PRODUCT TO OPTIMIZE POWER PLANT OUTPUT AND OPERATION

#452
20120045329
2012-02-23

METHOD FOR CIRCULATION CONTROLLED VERTICAL AXIS AND TURBINES

#453
20120042772
2012-02-23

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#454
20120035815
2012-02-09

Hybrid type working machine

#455
20120025530
2012-02-02

Controlling noise generated by wind turbines in a wind farm by de-synchronization of wind turbine rotors

#456
20120025527
2012-02-02

System and method to provide constant speed mechanical output in a machine

#457
20120025526
2012-02-02

SYSTEM AND METHOD FOR MONITORING WIND TURBINE GEARBOX HEALTH AND PERFORMANCE

#458
20120023919
2012-02-02

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#459
20120022712
2012-01-26

Grid frequency rate limiting system

#460
20120017580
2012-01-26

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#461
20120007361
2012-01-12

Water Handling Environment Water Electric Generator

#462
20110314804
2011-12-29

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#463
20110313584
2011-12-22

Portable backup power system

#464
20110304159
2011-12-15

Method for stabilization of the network frequency of an electrical power network

#465
20110304139
2011-12-15

Hybrid engine-driven power generator

#466
20110295436
2011-12-01

Engine Generator Control Module

#467
20110278858
2011-11-17

ENERGY PRODUCTION PLANT AND METHOD FOR OPERATING THE SAME

#468
20110261597
2011-10-27

INVERTER TYPE ENGINE GENERATOR

#469
20110260473
2011-10-27

METHOD FOR STANDBY GENERATOR RESTART AFTER FAULT SHUT-DOWN

#470
20110257801
2011-10-20

Automatic primary frequency response contribution monitoring system and method

#471
20110254270
2011-10-20

Wave gear drive -WGD

#472
20110252777
2011-10-20

Systems and methods for improving drivetrain efficiency for compressed gas energy storage

#473
20110248511
2011-10-13

Generator set cooling control system

#474
20110241356
2011-10-06

Spaced-apart cable modules in wellbore energy storage and retrieval

#475
20110241354
2011-10-06

MULTI-SEGMENT WEIGHT IN WELLBORE ENERGY STORAGE AND RETRIEVAL

#476
20110234179
2011-09-29

DIFFERENTIAL FOR A WIND POWER STATION

#477
20110227408
2011-09-22

Electric power generation system with multiple alternators driven by a common prime mover

#478
20110215575
2011-09-08

Electrical generator

#479
20110210551
2011-09-01

METHOD AND SYSTEM FOR TESTING A MECHANICAL BRAKE OF A WIND ROTOR SHAFT OF A WIND TURBINE

#480
20110210550
2011-09-01

POWER GENERATION UNIT AND A METHOD GENERATING ELECTRIC ENERGY

#481
20110210549
2011-09-01

System and methods for adjusting a yaw angle of a wind turbine

#482
20110206517
2011-08-25

TRANSMISSION DEVICE FOR A MACHINE FOR PRODUCING ELECTRICITY FROM A VARIABLE SPEED MOTIVE POWER SOURCE, UNIT FOR PRODUCING ELECTRICITY AND WIND TURBINE BOTH SO EQUIPPED, AND METHOD OF SETTING A TRANSMISSION RATIO

#483
20110204630
2011-08-25

Wind power generation system and operation control method thereof

#484
20110204627
2011-08-25

Electrical generating device with potential energy of water or fluid

#485
20110198846
2011-08-18

Variable-speed power generator and method of controlling the same

#486
20110193344
2011-08-11

Control Network for Wind Turbine Park

#487
20110188986
2011-08-04

System and method for improving wind turbine efficiency by adjusting blade pitch in response to localized wind speed

#488
20110175372
2011-07-21

Adaptive control of an electrical generator set based on load magnitude

#489
20110158787
2011-06-30

WIND TURBINE

#490
20110156392
2011-06-30

WIND TURBINE CONTROL

#491
20110148113
2011-06-23

VIBRATION DAMPING OF WIND TURBINE SHAFT

#492
20110144817
2011-06-16

Method and apparatus for controlling wind turbine electric power generation

#493
20110140431
2011-06-16

Wind turbine farm and method of controlling at least one wind turbine

#494
20110140427
2011-06-16

SYSTEM, DEVICE, AND METHOD FOR AUTOMATED MONITORING AND OPERATION OF WIND TURBINES

#495
20110140422
2011-06-16

Method for controlling a proximity sensor of a wind turbine

#496
20110133458
2011-06-09

Method and apparatus for optimizing wind turbine operation

#497
20110133457
2011-06-09

System, device, and method for wind turbine load reduction in a cold weather environment

#498
20110115235
2011-05-19

Variable speed high efficiency cooling system

#499
20110115223
2011-05-19

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#500
20110089911
2011-04-21

Integrated generator field flash

#501
20110089694
2011-04-21

Wind turbine generator system and control method of the same

#502
20110089693
2011-04-21

Wind energy power conversion system reducing gearbox stress and improving power stability

#503
20110089691
2011-04-21

Gearless turbo-generator

#504
20110084485
2011-04-14

Control method for a wind turbine

#505
20110080007
2011-04-07

Solar and wind energy converter

#506
20110074156
2011-03-31

Spark suppression for a genset

#507
20110074154
2011-03-31

Control system and a method for redundant control of a wind turbine

#508
20110071698
2011-03-24

Flush valve hydrogenerator

#509
20110068576
2011-03-24

Method for early detection and anticipatory control of consumer-end load shedding in an electrical grid, and apparatus for carrying out the method

#510
20110031761
2011-02-10

Momentum-Conserving Wind-Driven Electrical Generator

#511
20110025056
2011-02-03

Electric power generating system

#512
20110006547
2011-01-13

Method of controlling a variable speed constant frequency generator

#513
20100332045
2010-12-30

Regulation of generating plant

#514
20100329909
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#515
20100329891
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#516
20100327585
2010-12-30

Control system for an electrical generator and method for controlling an electrical generator

#517
20100326069
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#518
20100326068
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#519
20100326066
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#520
20100326064
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#521
20100326062
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#522
20100322769
2010-12-23

FLUID TURBINE OPTIMIZED FOR POWER GENERATION

#523
20100320775
2010-12-23

Control device and method of a gas turbine electric energy production plant

#524
20100320760
2010-12-23

Solar and Wind Power Generator Capable of Tracking Sunlight Automatically

#525
20100314873
2010-12-16

Auxiliary drive/brake system for a wind turbine

#526
20100312408
2010-12-09

CONTROL DEVICE AND METHOD OF A GAS TURBINE ELECTRIC ENERGY PRODUCTION PLANT

#527
20100295304
2010-11-25

Method and apparatus for grid loss ride-through for wind turbine pitch control system

#528
20100289460
2010-11-18

Alternator controlling apparatus

#529
20100270800
2010-10-28

Wind energy systems and methods of use

#530
20100270798
2010-10-28

Lifetime optimization of a wind turbine generator by controlling the generator temperature

#531
20100259045
2010-10-14

Wing Energy Installation with Enhanced Overvoltage Protection

#532
20100244460
2010-09-30

Portable inverter power generation apparatus with resonance speed control

#533
20100241283
2010-09-23

Gen-Set control system having proactive load relief

#534
20100231146
2010-09-16

Induction motor torque control in a pumping system

#535
20100229544
2010-09-16

Systems and methods for improving drivetrain efficiency for compressed gas energy storage

#536
20100219634
2010-09-02

Wind turbine control method, control unit and wind turbine

#537
20100207457
2010-08-19

Power system having dual synchronization

#538
20100187031
2010-07-29

Modular auxiliary power unit assembly for an electric vehicle

#539
20100183380
2010-07-22

Pneumatic conveyance system including waste airflow electrical power generation

#540
20100168932
2010-07-01

Dual-mode control of a power generator

#541
20100164236
2010-07-01

ENGINE GENERATOR SET CONTROL

#542
20100148588
2010-06-17

Genset control system implementing engine synchronization

#543
20100148508
2010-06-17

Method and apparatus for controlling the feed of reactive power in a wind power generation system

#544
20100147606
2010-06-17

ELECTRIC VEHICLE WITH INCREASED RANGE

#545
20100133820
2010-06-03

Solar and wind energy converter

#546
20100133813
2010-06-03

Systems and methods for providing AC power from multiple turbine engine spools

#547
20100096862
2010-04-22

Power control system and method

#548
20100096856
2010-04-22

APPARATUS AND METHOD FOR GENERATING ELECTRIC POWER FROM A LIQUID CURRENT

#549
20100096854
2010-04-22

Vertical axis wind turbine using individual blade pitch and camber control integrated with matrix converter

#550
20100090478
2010-04-15

Power control system and method

#551
20100078940
2010-04-01

Controller and control method for a wind farm including a plurality of wind turbine generators

#552
20100072818
2010-03-25

Electrical energy storage and retrieval system

#553
20100072005
2010-03-25

PLUG FOR BRAKE CALIPER

#554
20100067526
2010-03-18

Method of controlling a wind turbine in a wind power plant

#555
20100060009
2010-03-11

POWER-GENERATING DEVICE FOR ELECTRO-MAGNETIC ENGINE

#556
20100060003
2010-03-11

Momentum-conserving wind-driven electrical generator

#557
20100045039
2010-02-25

Vertical axis wind turbine

#558
20100039075
2010-02-18

Electrical power arrangement

#559
20100038907
2010-02-18

Power Generation

#560
20100033142
2010-02-11

Converting mechanical vibrational energy into electrical energy

#561
20100019508
2010-01-28

Inverter generator

#562
20100019507
2010-01-28

INVERTER GENERATOR

#563
20100007145
2010-01-14

Stall controller and triggering condition control features for a wind turbine

#564
20090326724
2009-12-31

Control of combined storage and generation in distributed energy resources

#565
20090322270
2009-12-31

Vehicle motor control apparatus

#566
20090322084
2009-12-31

Energy systems, energy devices, energy utilization methods, and energy transfer methods

#567
20090278362
2009-11-12

Cycloconverter generator

#568
20090267353
2009-10-29

Capacitor-compensation-type generator

#569
20090261599
2009-10-22

Power generation system

#570
20090250943
2009-10-08

Systems and methods involving operating variable speed generators

#571
20090249794
2009-10-08

Systems and Methods for Augmenting Power Output of a Turbine During a Transient Event

#572
20090206667
2009-08-20

Hybrid electrical power source combining stirling engine driven alternator with supplementing electrical energy storage

#573
20090206606
2009-08-20

Variable speed wind turbine with a doubly-fed induction generator and rotor and grid inverters that use scalar controls

#574
20090206599
2009-08-20

Cogeneration system

#575
20090194995
2009-08-06

Power generation stabilization control systems and methods

#576
20090189396
2009-07-30

Float-type energy-generating system

#577
20090189394
2009-07-30

Momentum-conserving wind-driven electrical generator

#578
20090160408
2009-06-25

Battery charging device, three-phase voltage generating circuit, three-phase voltage generation method and delay angle control method

#579
20090152867
2009-06-18

Spring powered electric energy storage system

#580
20090134845
2009-05-28

Device for controlling an electricity generator set

#581
20090121496
2009-05-14

Power control system and method

#582
20090102193
2009-04-23

Fluid-driven electric generator for operatively connecting to a conduct carrying a fluid

#583
20090091135
2009-04-09

Louvered turbine for generating electric power from a water current

#584
20090072542
2009-03-19

Apparatus and method for generating electric power from a subsurface water current

#585
20090031991
2009-02-05

Method and system for controlling a free-piston energy converter

#586
20090021022
2009-01-22

Stall controller and triggering condition control features for a wind turbine

#587
20080309095
2008-12-18

Electronic controller matching engine power to alternator power and maintaining engine frequency for a free-piston stirling engine driving a linear alternator

#588
20080296910
2008-12-04

POWER GENERATION CONTROL DEVICE AND VEHICLE HAVING THE SAME

#589
20080296899
2008-12-04

Apparatus and method for generating electric power from a subsurface water current

#590
20080290843
2008-11-27

Wide speed range electric power generation system using high reactance permanent magnet machine

#591
20080284171
2008-11-20

Augmented wind power generation system using an antecedent atmospheric sensor and method of operation

#592
20080277937
2008-11-13

Torque Motor Type Wind Generator

#593
20080265577
2008-10-30

Power control of a wind park

#594
20080258469
2008-10-23

Wind driven power generator with moveable cam

#595
20080238108
2008-10-02

Electronically controlled engine generator set

#596
20080215187
2008-09-04

Non-inverter based distributed energy resource for use in a dynamic distribution system

#597
20080157724
2008-07-03

Large transient detection for electric power generation

#598
20080157594
2008-07-03

Electric power generation system with multiple alternators driven by a common prime mover

#599
20080157591
2008-07-03

Distinguishing between different transient conditions for an electric power generation system

#600
20080157540
2008-07-03

Electric power generation system with multiple inverters