ClassID:

218313

H02P9/102 - CPC Classification

Classification description:

Arrangements for controlling electric generators for the purpose of obtaining a desired output; Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for limiting effects of transients

Recent Application in this class:
#1
20260066821
2026-03-05

METHOD, CONTROLLER AND COMPUTER PROGRAM FOR OPERATING AN INVERTER, AND INVERTER SYSTEM

#2
20250233537
2025-07-17

METHOD FOR CONTROLLING THE OPERATION OF A WIND TURBINE AND WIND TURBINE

#3
20250088128
2025-03-13

SYSTEMS AND METHODS FOR GENSET COOLANT CONTROL

#4
20250080017
2025-03-06

SYSTEMS AND METHODS FOR REDUNDANT OVERVOLTAGE PROTECTION FUNCTIONS

#5
20230407841
2023-12-21

METHODS AND SYSTEMS FOR CONTROLLING A WIND TURBINE GENERATOR IN RESPONSE TO A FREQUENCY DEVIATION

#6
20230396194
2023-12-07

Voltage fluctuation suppressing device for alternating current generator

#7
20230268858
2023-08-24

Parasitic immune isolated drive

#8
20230246577
2023-08-03

Voltage control of a DC-link

#9
20230188065
2023-06-15

METHOD FOR CONTROLLING AN ACTIVE RECTIFIER OF A WIND POWER INSTALLATION

#10
20230122027
2023-04-20

System and methods for controlling a power generating asset having a non-deliverable component of a total power output

#11
20220412308
2022-12-29

Operation of a wind turbine using optimized parameters

#12
20220349385
2022-11-03

System and method for slip detection and surface health monitoring in a slip coupling of a rotary shaft

#13
20220321042
2022-10-06

Wind turbine electric filter comprising filter modules arranged at different platform heights inside a wind turbine tower

#14
20220302860
2022-09-22

Systems and methods for genset coolant control

#15
20220290606
2022-09-15

Aircraft propulsion system

#16
20220216815
2022-07-07

Fast POR trim correction

#17
20220181957
2022-06-09

System configured to deliver a polyphase current of constant frequency from a synchronous generator

#18
20220077797
2022-03-10

System and method for controlling drivetrain damping during multiple low-voltage ride through events

#19
20220069565
2022-03-03

Overvoltage protection for a variable-speed and constant-frequency electrical energy generation system

#20
20220060123
2022-02-24

Crowbar module for an active neutral point clamped power conversion assembly

#21
20220045637
2022-02-10

Method for controlling an electric rotary machine operating as a generator and corresponding control system for reducing the voltage in the network in the event of a cutoff

#22
20220038037
2022-02-03

Generator control using transient condition resilient ripple blender

#23
20210320601
2021-10-14

System and method for controlling wind turbine converters during high voltage ride through events

#24
20210313914
2021-10-07

Control method for operating a synchronous machine

#25
20210143762
2021-05-13

Detecting rotor anomalies by determining vibration trends during transient speed operation

#26
20210119472
2021-04-22

Generator set for generating an alternating current

#27
20210111651
2021-04-15

Genset engine paralleling controls, devices, systems, and methods

#28
20210111650
2021-04-15

Combination of an electric rotary machine with a converter unit and wind turbine

#29
20210104965
2021-04-08

Methods and systems for rapid load support for grid frequency transient events

#30
20210044231
2021-02-11

Control of a wound field synchronous generator for transient load response

#31
20210033065
2021-02-04

Generator torque control after grid event

#32
20200382030
2020-12-03

DC generator system

#33
20200350834
2020-11-05

Wind turbine with reduced DC-voltage reserve

#34
20200287490
2020-09-10

WIND TURBINE WITH POWER-DEPENDENT FILTER DEVICE

#35
20190376489
2019-12-12

System and Method for Minimizing Inrush of Current During Start-Up of an Electrical Power System

#36
20190372494
2019-12-05

Power system

#37
20190363654
2019-11-28

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

#38
20190360464
2019-11-28

Method for operating electrical machines

#39
20190360463
2019-11-28

Method for operating electrical machines

#40
20190348936
2019-11-14

Rotating direct current power supply for synchronous machines

#41
20190331086
2019-10-31

Hydroelectric power generation system

#42
20190273457
2019-09-05

Control arrangment for a generator

#43
20190165710
2019-05-30

Dual alternator vehicle power management

#44
20190158001
2019-05-23

System and method for operating a doubly fed induction generator system to reduce harmonics

#45
20190113575
2019-04-18

Detection of transient high torque events associated with rotating machinery in electric power systems

#46
20190058426
2019-02-21

System and method for operating a pumped storage power plant with a double fed induction machine

#47
20190028049
2019-01-24

Power generation system

#48
20190013753
2019-01-10

Control method and control system for enhancing endurance to anomalous voltage for doubly-fed induction generator

#49
20180367074
2018-12-20

Genset

#50
20180342968
2018-11-29

Methods for operating electrical power systems

#51
20180337622
2018-11-22

Systems and methods for mitigating transient events in a power generation system

#52
20180274383
2018-09-27

Systems and methods for controlling a power generation system

#53
20180241297
2018-08-23

SYSTEM AND METHOD FOR GENERATOR BRAKING USING LAMINATED BRAKE COMPONENTS

#54
20180198394
2018-07-12

Generator stabilization

#55
20180159453
2018-06-07

Sub-synchronous resonance damping

#56
20180091077
2018-03-29

Method for handling an over voltage ride through event

#57
20180069497
2018-03-08

Method and apparatus for controlling a turbogenerator system

#58
20180041153
2018-02-08

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

#59
20180041025
2018-02-08

Method for operating an active converter connected to an electric machine, and means for implementing same

#60
20180034264
2018-02-01

Battery-supported braking system for a wind turbine

#61
20180026473
2018-01-25

Method for operating an active converter connected to an electric machine and means for the implementation thereof

#62
20180019691
2018-01-18

Exciter drive circuit including configurable flyback unit with fast energy field collapse

#63
20180013364
2018-01-11

WIND POWER GENERATING EQUIPMENT, OPERATION METHOD THEREOF, AND WIND FARM

#64
20170373626
2017-12-28

Controlling operation of a power converter based on grid conditions

#65
20170163025
2017-06-08

METHOD FOR OPERATING AN AT LEAST GENERATOR-OPERABLE ELECTRIC MOTOR AND MEANS FOR THE IMPLEMENTATION THEREOF

#66
20170146603
2017-05-25

Integrated High And Low Voltage Ride Through Test System

#67
20170063277
2017-03-02

Control of electrically excited synchronous machine drives for ride through and controlled braking operations

#68
20170054301
2017-02-23

Voltage source convertors

#69
20170025978
2017-01-26

Low-frequency band suppression enhanced anti-reversal power system stabilizer

#70
20170019045
2017-01-19

De-glitch circuit and de-glitch method and short circuit protection device

#71
20160333856
2016-11-17

Variable impedance device for a wind turbine

#72
20160308369
2016-10-20

Wind power plant, and a method for increasing the reactive power capability of a wind power plant

#73
20160218650
2016-07-28

METHOD AND SYSTEM FOR DAMPING TORSIONAL OSCILLATIONS

#74
20160172842
2016-06-16

Power generation system and method with resistive braking capability

#75
20160105136
2016-04-14

Method and a generator system for operating a generator

#76
20160069325
2016-03-10

System and method for improving reactive current response time in a wind turbine

#77
20150377057
2015-12-31

Power generation system control following transient grid event

#78
20150364920
2015-12-17

SYSTEMS AND METHODS FOR IMPROVING THE ROTOR ANGLE STABILITY OF SYNCHRONOUS GENERATORS

#79
20150364910
2015-12-17

Thermal power generation apparatus and thermal power generation system

#80
20150357950
2015-12-10

Method and apparatus for controlling a turbogenerator system

#81
20150249413
2015-09-03

System and method for adjusting current regulator gains applied within a power generation system

#82
20150229257
2015-08-13

Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough

#83
20150198668
2015-07-16

Fault detection in brushless exciters

#84
20150194917
2015-07-09

Power control system and method of controlling the same

#85
20150188468
2015-07-02

Dynamic braking system for an electric power system and method of operating the same

#86
20150155809
2015-06-04

Method of operating a wind turbine as well as a system suitable thereof

#87
20150137771
2015-05-21

POWER GENERATION SYSTEM AND METHOD WITH FAULT RIDE THROUGH CAPABILITY

#88
20150137520
2015-05-21

Wind-power-plant control upon low-voltage grid faults

#89
20150115902
2015-04-30

POWER GENERATION SYSTEM AND METHOD WITH FAULT RIDE THROUGH CAPABILITY

#90
20150115616
2015-04-30

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

#91
20150076820
2015-03-19

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

#92
20150061298
2015-03-05

Systems and methods for controlling acceleration of a power generator

#93
20150039252
2015-02-05

System and method for detecting generator incipient failures

#94
20150008673
2015-01-08

Torque control for a wind turbine generator in case of fault

#95
20140340005
2014-11-20

Power conversion device

#96
20140292286
2014-10-02

Power converter and control method for power converter

#97
20140252767
2014-09-11

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

#98
20140168825
2014-06-19

Hardware-based, redundant overvoltage protection

#99
20140125295
2014-05-08

Soft-start voltage regulating circuit and generator voltage regulating system thereof

#100
20140125132
2014-05-08

Power system

#101
20140042990
2014-02-13

Electric rotary machine for motor vehicle

#102
20130320937
2013-12-05

SYSTEM AND METHOD TO STABILIZE POWER SUPPLY

#103
20130278228
2013-10-24

Method of controlling speed of a variable speed generator

#104
20130272038
2013-10-17

Excitation control circuit, control method and electrically excited wind power system having the same

#105
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

#106
20130249501
2013-09-26

Double fed induction generator (DFIG) converter and method for improved grid fault ridethrough

#107
20130241463
2013-09-19

Doubly-fed generator and doubly-fed electric machine

#108
20130200617
2013-08-08

Power transmission systems

#109
20130076316
2013-03-28

METHOD AND ARRANGEMENT IN CONNECTION WITH A CASCADE-FED ASYNCHRONOUS GENERATOR

#110
20130033038
2013-02-07

Starting/generating system with multi-functional circuit breaker

#111
20120299300
2012-11-29

TURBINE GENERATOR SYSTEM

#112
20120292921
2012-11-22

Stationary power plant

#113
20120286524
2012-11-15

Power system

#114
20120286509
2012-11-15

METHOD FOR OPERATING A WIND TURBINE AND WIND TURBINE SUITED THEREFOR

#115
20120248772
2012-10-04

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

#116
20120200153
2012-08-09

Generating set preloader

#117
20120175876
2012-07-12

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

#118
20120139246
2012-06-07

ASYNCHRONOUS GENERATOR SYSTEM AND WIND TURBINE HAVING AN ASYNCHRONOUS GENERATOR SYSTEM

#119
20120074912
2012-03-29

INVERTER GENERATOR

#120
20120056425
2012-03-08

STAND ALONE OPERATION SYSTEM FOR USE WITH UTILITY GRADE SYNCHRONOUS WIND TURBINE GENERATORS

#121
20120050053
2012-03-01

System and method for detecting generator incipient failures

#122
20120035774
2012-02-09

Generating apparatus and control method thereof

#123
20120022712
2012-01-26

Grid frequency rate limiting system

#124
20120001597
2012-01-05

Secondary control system for maintaining motor generator power generation during primary control failure

#125
20110298430
2011-12-08

RAPID DE-EXCITATION SYSTEM FOR SYNCHRONOUS MACHINES WITH INDIRECT EXCITATION

#126
20110248686
2011-10-13

Method for the operation of a wind energy plant at sudden voltage changes in the grid

#127
20110248565
2011-10-13

Method and apparatus for dynamic load sharing

#128
20110215772
2011-09-08

Protection device and protection method for through power network fault of double-fed induction generator

#129
20110193533
2011-08-11

Circuit and method for de-energizing a field coil

#130
20110153092
2011-06-23

Method of and apparatus for compensation of oscillation effects in the event of mains asymmetry in a double-fed asynchronous machine

#131
20110140430
2011-06-16

Method and system for providing increased turbine output for doubly fed induction generator

#132
20110134574
2011-06-09

Systems and apparatus relating to wind turbine electrical control and operation

#133
20110115444
2011-05-19

Electric load damper for damping torsional oscillation

#134
20110109277
2011-05-12

Electric circuit for generating electric power

#135
20110109085
2011-05-12

Power oscillation damping employing a full or partial conversion wind turbine

#136
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

#137
20110050183
2011-03-03

Static exciter of a field winding and method for operating the same

#138
20110050182
2011-03-03

Generator device with overvoltage monitoring

#139
20100308857
2010-12-09

Method and electric circuit for testing a power producer or a power consumer that can be connected to an electric power grid

#140
20100308582
2010-12-09

Starting/generating system with multi-functional circuit breaker

#141
20100296321
2010-11-25

Direct AC power converting apparatus

#142
20100295300
2010-11-25

Method for controlling reversible electrical machine coupled to heat engine, start/stop system suitable for carrying out the method, and use thereof

#143
20100283247
2010-11-11

Control device for wind power systems having power failure detection

#144
20100253294
2010-10-07

Starter voltage reducing synchronous machine

#145
20100201329
2010-08-12

System and method for directly and instantaneously controlling exciter of generator

#146
20100188122
2010-07-29

Synchronizing an inverter with an alternating voltage source

#147
20100148508
2010-06-17

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

#148
20100133823
2010-06-03

Hybrid braking system and method

#149
20100091422
2010-04-15

Lightning strike mitigation for aircraft

#150
20100079117
2010-04-01

Field transient suppression system and method

#151
20100066314
2010-03-18

Generator control unit with fast field discharge

#152
20100039076
2010-02-18

Electromechanical arrangement

#153
20100038969
2010-02-18

Method and system for electrical power generation

#154
20100033141
2010-02-11

Generating system

#155
20100026249
2010-02-04

Generator apparatus with active load dump protection

#156
20090273185
2009-11-05

System for controlling and protecting against symmetrical and asymmetrical faults for asynchronous-type generators

#157
20090250943
2009-10-08

Systems and methods involving operating variable speed generators

#158
20090234509
2009-09-17

Power control system and method

#159
20090230680
2009-09-17

Power control system and method

#160
20090224540
2009-09-10

Power control system and method

#161
20090212747
2009-08-27

Power control system and method

#162
20090212561
2009-08-27

Power control system and method

#163
20090206606
2009-08-20

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

#164
20090206601
2009-08-20

Power control system and method

#165
20090198386
2009-08-06

Digital excitation control system utilizing swarm intelligence and an associated method of use

#166
20090184522
2009-07-23

Permanent magnet alternator speed detection circuit with feedback at lower speeds

#167
20090167255
2009-07-02

Voltage regulation to reduce ripple in a power generation system

#168
20090147549
2009-06-11

Power converters

#169
20090146500
2009-06-11

Power converters

#170
20090146426
2009-06-11

Power converters

#171
20090008944
2009-01-08

Method and system of control of the converter of an electricity generation facility connected to an electricity network in the presence of voltage sags in said network

#172
20080304188
2008-12-11

Wind power generation system and control method thereof

#173
20080284386
2008-11-20

Control device for vehicle AC generator

#174
20080224671
2008-09-18

Electric power generation control apparatus for vehicle alternator

#175
20080185847
2008-08-07

Vehicle control system

#176
20080157529
2008-07-03

Low voltage ride through system for a variable speed wind turbine having an exciter machine and a power converter not connected to the grid

#177
20080106829
2008-05-08

Alternator control device for vehicle

#178
20080093853
2008-04-24

Method and apparatus for operating electrical machines

#179
20080043383
2008-02-21

Permanent magnet generator protection scheme

#180
20080042611
2008-02-21

Self-excitation of switched reluctance generators during load bus faults

#181
20080024941
2008-01-31

Method and apparatus for operating electrical machines

#182
20080018309
2008-01-24

Wind turbine generator apparatus with utility fault ride-through capability

#183
20080007121
2008-01-10

Power system with low voltage ride-through capability

#184
20070278966
2007-12-06

Control and power module for a rotating electrical machine

#185
20070278797
2007-12-06

Power conditioning architecture for a wind turbine

#186
20070228735
2007-10-04

Power control system and method

#187
20070200531
2007-08-30

Pulse width modulation control circuit for a multimode electrical machine, and a multimode electrical machine equipped with such a control circuit

#188
20070187955
2007-08-16

Generator with utility fault ride-through capability

#189
20070159737
2007-07-12

Method for operating a wind turbine during a disturbance in the grid

#190
20070137908
2007-06-21

Series hybrid electric vehicle

#191
20070121354
2007-05-31

Power converters

#192
20070108771
2007-05-17

Power converters

#193
20070064458
2007-03-22

Electrical power stabilisation

#194
20070052244
2007-03-08

Control system for doubly fed induction generator

#195
20060267560
2006-11-30

Device, system, and method for providing a low-voltage fault ride-through for a wind generator farm

#196
20060244332
2006-11-02

Electrical machine

#197
20060208710
2006-09-21

Generator transient regulator

#198
20060197346
2006-09-07

Apparatus of controlling power generation of a generator

#199
20060192534
2006-08-31

Generating apparatus and motor control apparatus

#200
20060192390
2006-08-31

Control and protection of a doubly-fed induction generator system

#201
20060186862
2006-08-24

Electric power generation control apparatus

#202
20060181251
2006-08-17

Energy discharge apparatus

#203
20060181250
2006-08-17

Energy discharge apparatus

#204
20060181249
2006-08-17

Energy discharge apparatus

#205
20060043938
2006-03-02

Automotive electrical system configuration using a two bus structure

#206
20050269880
2005-12-08

Vehicle-mounted electrical generator control system enabling suppression of supply voltage spikes that result from disconnecting electrical loads

#207
20050258796
2005-11-24

Method and system for detecting the disconnection of an auxiliary power supply from a poly-phase motor

#208
20050134206
2005-06-23

Motor/generator transient response system

#209
20050122083
2005-06-09

Generator with utility fault ride-through capability

#210
20050073284
2005-04-07

Hybrid synchronous/induction generator power plant

#211
20050012339
2005-01-20

Variable speed distributed drive train wind turbine system

#212
18602889
2025-05-20

Dynamic stabilizer for hybrid energy storage machinery with power system experiencing torsional oscillations

#213
18541802
2025-03-18

System and method for detecting a stator distortion filter in an electrical power system

#214
17084731
2022-02-22

System and method for neutral point balancing for back-to-back voltage source converters

#215
15705685
2019-01-22

Methods for operating electrical power systems