ClassID:

144870

F05B2270/101 - CPC Classification

Classification description:

Control; Purpose of the control system to control rotational speed (n)

Sub-classes:
Recent Application in this class:
#1
20260132769
2026-05-14

METHOD FOR OPERATING A WIND TURBINE AND WIND TURBINE

#2
20260028963
2026-01-29

METHOD AND SYSTEM FOR CONTROLLING WIND TURBINE ROTOR OSCILLATIONS

#3
20250314438
2025-10-09

INTEGRATED FAN DRIVE SYSTEM FOR COOLING TOWER

#4
20250226666
2025-07-10

METHOD FOR CONTROLLING COORDINATED OPERATION OF MULTIPLE WIND GENERATORS TO AVOID SECONDARY FREQUENCY DROP

#5
20250216163
2025-07-03

INTEGRATED FAN DRIVE SYSTEM FOR COOLING TOWER

#6
20250043769
2025-02-06

VEHICLE EQUIPPED WITH A WIND POWER ELECTRICITY GENERATOR

#7
20240337249
2024-10-10

WIND TURBINE CONTROL SYSTEM INCLUDING AN ARTIFICAL INTELLIGENCE ENSEMBLE ENGINE

#8
20240337248
2024-10-10

METHOD FOR OPERATING A WIND TURBINE AND WIND TURBINE

#9
20240332972
2024-10-03

CONTROL OF FORCED OSCILLATIONS

#10
20240254970
2024-08-01

Flat-packable kit for a turbine

#11
20240254967
2024-08-01

Positioning moveable flow turbines

#12
20240247638
2024-07-25

COORDINATING OVERLAP OF LOW PRESSURE ZONES IN ADJACENT TURBINES

#13
20240218854
2024-07-04

METHOD FOR CONTROLLING A WIND POWER INSTALLATION

#14
20240183341
2024-06-06

GRAVITY MOTOR AND ENERGY STORAGE DEVICE

#15
20240159216
2024-05-16

Controlling a wind turbine with a scaled power coefficient

#16
20240026860
2024-01-25

SOUND VIBRATION AND FRICTION LIMITING TURBINE GENERATOR GYROSCOPE METHOD AND APPARATUS

#17
20240026857
2024-01-25

Method for operating a wind turbine, wind turbine, and wind park

#18
20240018934
2024-01-18

Variable speed reconfigurable pump/turbine clusters

#19
20230366376
2023-11-16

Wind turbine plant and power control method and device thereof

#20
20230279837
2023-09-07

METHODS FOR OPERATING WIND TURBINES AND FEEDING AUXILIARY SYSTEMS

#21
20230258155
2023-08-17

Method for operating a wind farm, wind power installation and wind farm

#22
20230223875
2023-07-13

Wind turbine generator system, and rotation speed avoidance control method and apparatus therefor

#23
20230184214
2023-06-15

Wind Turbine and Method for Controlling the Same

#24
20230175485
2023-06-08

Wind turbine control arrangement

#25
20230151798
2023-05-18

Controlling a wind turbine using blade pitch angle setting and blade add-on setting

#26
20230088470
2023-03-23

FRICTION LIMITING TURBINE GENERATOR GYROSCOPE METHOD AND APPARATUS

#27
20230020562
2023-01-19

In place machining of collector ring

#28
20230010493
2023-01-12

Method for coupling a hydroelectric power plant to the grid comprising at least two hydroelectric units

#29
20220389908
2022-12-08

WIND POWER GENERATOR

#30
20220372953
2022-11-24

METHOD FOR CONTROLLING A WIND POWER INSTALLATION, WIND POWER INSTALLATION, AND WIND FARM

#31
20220372952
2022-11-24

CONTROL DEVICE AND METHOD OF CONTROLLING A WIND TURBINE

#32
20220213869
2022-07-07

Device and method for controlling a wind turbine based on a change element

#33
20220205425
2022-06-30

WIND TURBINE SYSTEM USING PREDICTED WIND CONDITIONS AND METHOD OF CONTROLLING WIND TURBINE

#34
20220106938
2022-04-07

Variable Moment Flywheel

#35
20220082081
2022-03-17

Method of controlling a wind turbine generator

#36
20220065225
2022-03-03

Modular wind turbine including wind directing features, systems, and methods of use thereof

#37
20220049680
2022-02-17

Noise control of wind turbine

#38
20220034300
2022-02-03

Rotating pedestal and wind power generation system

#39
20220034296
2022-02-03

Method for operating a wind power installation, wind power installation and wind farm

#40
20220025853
2022-01-27

Detecting a wind turbine rotor blade adjustment fault

#41
20220010772
2022-01-13

Controller and control method for a wind turbine

#42
20210396205
2021-12-23

Startup method of francis turbine and francis turbine

#43
20210396204
2021-12-23

Startup method of Francis turbine and Francis turbine

#44
20210381489
2021-12-09

Wind turbine control system including an artificial intelligence ensemble engine

#45
20210363971
2021-11-25

Wind turbine electrical system having redistributed components reducing the overall footprint of the electrical system

#46
20210355912
2021-11-18

Method for designing and operating a wind power installation, wind power installation and wind farm

#47
20210348860
2021-11-11

Integrated fan drive system for cooling tower

#48
20210332793
2021-10-28

Method and apparatus for controlling noise of multiple wind turbines

#49
20210324833
2021-10-21

TREATING A WIND TURBINE DRIVE TRAIN

#50
20210324831
2021-10-21

NOISE REDUCTION IN A WIND TURBINE WITH HINGED BLADES

#51
20210310462
2021-10-07

Method for controlling a tip height of a wind turbine

#52
20210285421
2021-09-16

Wind turbine control system including an artificial intelligence ensemble engine

#53
20210285418
2021-09-16

Wind turbine and method for controlling wind turbine

#54
20210277870
2021-09-09

Friction limiting turbine generator gyroscope method and apparatus

#55
20210222698
2021-07-22

Ceiling fan

#56
20210172442
2021-06-10

Fluid pump assembly

#57
20210164441
2021-06-03

Tower damping in wind turbine power production

#58
20210159825
2021-05-27

THREE-DIMENSIONAL (3D) FLOW FLOATING POWER GENERATOR

#59
20210010457
2021-01-14

Method and system for controlling a wind turbine to manage edgewise blade vibrations

#60
20200340450
2020-10-29

Rotor speed control of a wind turbine

#61
20200318610
2020-10-08

Method for operating a wind turbine to control rotational speed of a wind turbine in the event of a grid error

#62
20200300249
2020-09-24

Fluid pump assembly

#63
20200291949
2020-09-17

Cooling fan

#64
20200263662
2020-08-20

Method of dynamically adjusting a rate of change of a rotor speed set point during wind turbine shutdown

#65
20200244200
2020-07-30

Three-dimensional (3D) flow floating power generator

#66
20200200494
2020-06-25

Integrated fan drive system for cooling tower

#67
20200132051
2020-04-30

System and method for detecting wind turbine rotor blade stuck condition based on running statistic

#68
20200049129
2020-02-13

Wind turbine control system including an artificial intelligence ensemble engine

#69
20200032771
2020-01-30

System and method for protecting wind turbines during extreme wind direction change

#70
20190368468
2019-12-05

Controlling wind turbine based on rain drop size

#71
20190368466
2019-12-05

Operating wind turbine above rating during low erosion conditions

#72
20190352835
2019-11-21

Clothing treatment device and control method therefor

#73
20190345915
2019-11-14

Wind turbine operation

#74
20190271295
2019-09-05

Wind turbine noise analysis and control

#75
20190162165
2019-05-30

Method and device for operating a wind turbine

#76
20190154001
2019-05-23

Method and system for controlling a wind turbine to manage edgewise blade vibrations

#77
20190153998
2019-05-23

VERTICAL AXIS WIND TURBINE WITH MOVING BLADES

#78
20190109552
2019-04-11

Wind turbine providing grid support

#79
20190072074
2019-03-07

Method of operating a wind turbine yaw assembly

#80
20190017759
2019-01-17

Integrated fan drive system for cooling tower

#81
20190010924
2019-01-10

METHOD FOR CONTROLLING A MACHINE OR PROCESS WITH INCREASED SAFETY

#82
20180372086
2018-12-27

Pneumatic system operation control device and control method

#83
20180347543
2018-12-06

System and method for optimizing power output of a wind turbine during an operational constraint

#84
20180340475
2018-11-29

BOWED ROTOR MOTORING CONTROL

#85
20180291877
2018-10-11

Method for operating a wind turbine

#86
20180291872
2018-10-11

Method of determining and controlling the attack angle of fixed-speed wind turbine blade

#87
20180283353
2018-10-04

Wind turbine and method for operating a wind turbine

#88
20180274515
2018-09-27

Movable-blade operation system for hydraulic machine

#89
20180245568
2018-08-30

A Wind Turbine and a Method of Operating a Wind Turbine with a Rotational Speed Exclusion Zone

#90
20180230968
2018-08-16

Wind turbine power generation facility and method of operating the same

#91
20180171980
2018-06-21

Control system for a wind turbine

#92
20180171977
2018-06-21

Increasing active power from a wind turbine

#93
20180171972
2018-06-21

SYSTEM AND METHOD FOR PREVENTING COLLISIONS BETWEEN WIND TURBINE BLADES AND FLYING OBJECTS

#94
20180167005
2018-06-14

Brushless direct current electric motor driving control method and system of electrical water pump

#95
20180135601
2018-05-17

Method of calibrating load sensors of a wind turbine

#96
20180045206
2018-02-15

PORTABLE INDUSTRIAL AIR FILTRATION DEVICE THAT ELIMINATES FAN-SPEED SENSOR ERROR

#97
20180045180
2018-02-15

Method for operating a wind turbine

#98
20180038340
2018-02-08

Commutator-less and brush-less direct current generator and applications for generating power to an electric power system

#99
20180010577
2018-01-11

Partial and full load controllers of a wind turbine

#100
20180003146
2018-01-04

METHOD AND SYSTEM FOR ADJUSTING THE TORQUE OF A MASS AND SPINNING WHEEL ROTATOR IN A WAVE POWER PLANT

#101
20170370350
2017-12-28

Method of operating a wind turbine

#102
20170317627
2017-11-02

Three-dimensional (3D) flow floating power generator

#103
20170314525
2017-11-02

Underwater floating-type ocean current power generation device

#104
20170268487
2017-09-21

Control method and control apparatus of wind power generator set

#105
20170268478
2017-09-21

Method for stabilizing the rotation speed of a hydraulic machine with S-characteristics and installation for converting hydraulic energy into electrical energy

#106
20170184073
2017-06-29

Wind turbine control method and associated wind turbine

#107
20170175709
2017-06-22

System and method for controlling wind turbines

#108
20170152835
2017-06-01

System for thrust-limiting of wind turbines

#109
20170107973
2017-04-20

Wind turbine with a speed regulator and a generator regulator

#110
20170074243
2017-03-16

Wind turbine power generating apparatus and method of connecting the same

#111
20170074234
2017-03-16

Buoyancy Driven Kinetic Energy Generating Apparatus and Method of Generating Kinetic Energy by the Apparatus

#112
20170030326
2017-02-02

Renewable energy marine hydrokinetic or wind turbine

#113
20160341066
2016-11-24

Gas turbine engine uncontrolled high thrust accommodation system and method

#114
20160334176
2016-11-17

Integrated fan drive system for cooling tower

#115
20160290153
2016-10-06

Turbine-type flow rate controlling device

#116
20160290152
2016-10-06

Turbine-type flow rate controlling device

#117
20160208765
2016-07-21

Water surface floating high efficiency waterwheel generator

#118
20160141987
2016-05-19

Floating device generator

#119
20160076516
2016-03-17

Wind turbine air deflector system control

#120
20160076515
2016-03-17

Method for starting a wind turbine in a cold climate environment

#121
20150345466
2015-12-03

Wind power generation system and wind power generation method

#122
20150337805
2015-11-26

Method for operating a wind turbine

#123
20150308285
2015-10-29

Wind turbine diagnostic device for generator components

#124
20150292483
2015-10-15

System and method for thrust-speed control of a wind turbine

#125
20150226183
2015-08-13

Method and arrangement for controlling a wind turbine

#126
20150219077
2015-08-06

Power generating system and hydraulic control system

#127
20150219073
2015-08-06

Method and control device for a wind turbine, and computer program product, digital storage medium and wind turbine

#128
20150198146
2015-07-16

Vertical axis wind turbine

#129
20150084338
2015-03-26

Wind turbine providing grid support

#130
20140308126
2014-10-16

Method of operating a wind turbine

#131
20140110941
2014-04-24

Wind farm and a method of operating a wind farm

#132
20140103657
2014-04-17

Turbine having optimized efficiency

#133
20140042745
2014-02-13

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

#134
20140023500
2014-01-23

Vertical axis wind and hydraulic turbine with flow control

#135
20130181450
2013-07-18

Method for operating a wind turbine

#136
20130161952
2013-06-27

Method for controlling a wind turbine

#137
20130147442
2013-06-13

Direct power and stator flux vector control of a generator for wind energy conversion system

#138
20130026759
2013-01-31

Systems and methods for regulating wind turbines

#139
20130017098
2013-01-17

Method for optimizing the energy of pumps

#140
20130015593
2013-01-17

Integrated fan drive system for cooling tower

#141
20120326443
2012-12-27

VARIABLE SPEED POWER GENERATION FROM INDUSTRIAL FLUID ENERGY SOURCES

#142
20120292903
2012-11-22

Method for operating a wind turbine

#143
20120274075
2012-11-01

Wind turbine

#144
20120268081
2012-10-25

Direct power and stator flux vector control of a generator for wind energy conversion system

#145
20120205913
2012-08-16

Wind turbine control methods for improving the production of energy

#146
20120189443
2012-07-26

Methods and systems for determining a pitch angle offset signal and for controlling a rotor frequency of a rotor of a wind turbine for speed avoidance control

#147
20120175877
2012-07-12

Enhanced method of controlling the output of a hydroelectric turbine generator

#148
20120161444
2012-06-28

Controlling a wind turbine to stabilize an electric grid

#149
20120134802
2012-05-31

Wind turbine blade control

#150
20120091713
2012-04-19

Method and system for adjusting a power parameter of a wind turbine

#151
20120061958
2012-03-15

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

#152
20120042727
2012-02-23

Wind turbine and method of determining at least one rotation parameter of a wind turbine rotor

#153
20120027587
2012-02-02

Wind turbine torque-speed control

#154
20110318167
2011-12-29

CROSSFLOW WIND TURBINE

#155
20110316277
2011-12-29

Blade pitch control in a wind turbine installation

#156
20110221194
2011-09-15

Rotational speed control of a wind turbine based on rotor acceleration

#157
20110210550
2011-09-01

POWER GENERATION UNIT AND A METHOD GENERATING ELECTRIC ENERGY

#158
20110175352
2011-07-21

Method of controlling a variable speed wind turbine generator

#159
20110142622
2011-06-16

Wind turbine and method for controlling a wind turbine

#160
20110140425
2011-06-16

Method and System For Controlling Wind Turbine Rotational Speed

#161
20110084485
2011-04-14

Control method for a wind turbine

#162
20110042951
2011-02-24

Windmill rotation detection/management device and wind power generation system

#163
20100308586
2010-12-09

Wind Turbine Systems Using Continuously Variable Transmissions and Controls

#164
20100225113
2010-09-09

Method for the operation of a wind turbine and wind turbine using this method

#165
20100143093
2010-06-10

ARRANGEMENT TO DETECT A HIGH ROTATIONAL-SPEED OF A BLADE

#166
20100140941
2010-06-10

Control of the rotational speed of a wind turbine which is impeded to export electrical power to an electricity network

#167
20100137092
2010-06-03

Variable ratio gear

#168
20100133829
2010-06-03

IMPROVEMENTS IN OR RELATING TO WIND TURBINES

#169
20100133827
2010-06-03

Method and system for controlling a wind turbine

#170
20100133821
2010-06-03

Method and system for extracting inertial energy from a wind turbine

#171
20100111693
2010-05-06

WIND TURBINE DAMPING OF TOWER RESONANT MOTION AND SYMMETRIC BLADE MOTION USING ESTIMATION METHODS

#172
20100098540
2010-04-22

Blade pitch management method and system

#173
20100048350
2010-02-25

Differential gear on a wind power plant and method for changing or switching the power range of said differential gear

#174
20100045228
2010-02-25

Integrated fan drive system for cooling tower

#175
20090273187
2009-11-05

Control Method

#176
20090261589
2009-10-22

Wind power generation system and operation method thereof

#177
20090261588
2009-10-22

Method and system for operating a wind energy installation

#178
20090212565
2009-08-27

Wind energy plant with pitch controller

#179
20090193894
2009-08-06

Apparatus for monitoring the rotational speed in a wind energy plant

#180
20090140522
2009-06-04

Turbine driven electric power production system and a method for control thereof

#181
20090079192
2009-03-26

Method for controlling and adjusting a wind turbine

#182
20090060740
2009-03-05

Method of operating a wind turbine and wind turbine

#183
20090047130
2009-02-19

Wind turbine and method for determining at least one rotation parameter of a wind turbine rotor

#184
20090022589
2009-01-22

Variable speed hub

#185
20080277938
2008-11-13

Wind power generation system and operating method thereof

#186
20080136188
2008-06-12

Method and system for regulation of the rotational speed of a rotor on a wind turbine

#187
20080095625
2008-04-24

Electro-magnetic closed-loop speed control for air-turbine spindles

#188
20080042441
2008-02-21

METHOD FOR THE OPERATION OF A WIND TURBINE GENERATOR SYSTEM

#189
20070216166
2007-09-20

Method for controlling a wind turbine and corresponding wind turbine

#190
20070166147
2007-07-19

Wind turbine to produce electricity

#191
20070124025
2007-05-31

Windpark turbine control system and method for wind condition estimation and performance optimization

#192
20070085343
2007-04-19

Method for operating or controlling a wind turbine and method for providing primary control power by means of wind turbines

#193
20070077145
2007-04-05

Omni directional baffled wind energy power converter apparatus and method

#194
20060232072
2006-10-19

Apparatus for generating electrical power from tidal water movement

#195
20060033339
2006-02-16

Method in a wind power plant

#196
20050062291
2005-03-24

Centrifugal weight control for a wind or water turbine

#197
19050435
2025-08-19

Wind turbine spinning reserve with selectable confidence level

#198
15932102
2023-09-05

Airflow power generating apparatus

#199
15482313
2022-07-12

Wind turbine

#200
15459015
2017-08-22

Methods, apparatuses, and control systems for adaptive wind-driven outdoor all-surrounding information display