ClassID:

144897

F05B2270/1074 - CPC Classification

Classification description:

Control; Purpose of the control system to cope with emergencies by using back-up controls

Recent Application in this class:
#1
20260132768
2026-05-14

WIND TURBINE POWER PLANT WITH PEAK POWER CONSUMPTION CONTROL

#2
20250047131
2025-02-06

DUAL SUPPLY OF A BACKUP POWER SUPPLY

#3
20240183335
2024-06-06

OPERATING A WIND TURBINE IN A WIND POWER PLANT DURING LOSS OF COMMUNICATION

#4
20230296078
2023-09-21

Learning-based backup controller for a wind turbine

#5
20200263665
2020-08-20

System and Method for Protecting Wind Turbines from Flutter During High Wind Speeds

#6
20200072193
2020-03-05

Safety stop assembly

#7
20190285058
2019-09-19

System and method for testing an energy storage device of a wind turbine pitch system

#8
20190249646
2019-08-15

Secure windfarm power production during a SCADA system offline mode

#9
20190219061
2019-07-18

Fan failure backup apparatus and method of backing up the same

#10
20190101101
2019-04-04

Contingency autonomous yaw control for a wind turbine

#11
20190063404
2019-02-28

Method and system for diagnosing wind turbine power generating apparatus

#12
20190063402
2019-02-28

System for controlling a yaw drive of a wind turbine when a native yaw drive control system is non-operational

#13
20180340517
2018-11-29

System and method for estimating consumed battery life of a pitch system of a wind turbine

#14
20180266391
2018-09-20

Power management system for wind turbine(s) being connected to a power supply with a limited capacity

#15
20180180023
2018-06-28

Method for controlling a wind turbine with increased safety

#16
20160327023
2016-11-10

Autonomous yaw control for a wind turbine

#17
20140127014
2014-05-08

Safety chain and method for operating a wind turbine

#18
20140110940
2014-04-24

Systems and methods for use in operating power generation systems

#19
20140086723
2014-03-27

Wind turbine control system with decentralized voting

#20
20130271056
2013-10-17

Pitch motor drive circuit which can operate in emergency mode

#21
20130230400
2013-09-05

Method and system for operating a wind turbine during a fault

#22
20130136597
2013-05-30

WIND TURBINE CONTROL SYSTEM

#23
20130020804
2013-01-24

Pitch drive device capable of emergency operation for a wind or water power plant

#24
20120242295
2012-09-27

Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid

#25
20120219421
2012-08-30

Control system for a wind turbine

#26
20120187681
2012-07-26

Wind turbine and a method for powering one or more hydraulic pitch actuators

#27
20120146423
2012-06-14

Wind farm island operation

#28
20120134828
2012-05-31

WIND TURBINE WITH HYDRAULIC BLADE PITCH SYSTEM

#29
20120134816
2012-05-31

Pilot circuitry for controlling the emergency feathering of a wind turbine

#30
20110304140
2011-12-15

Wind turbine generator and soundness diagnosis method thereof

#31
20110181045
2011-07-28

Monitoring device for pitch systems of wind energy systems

#32
20110175355
2011-07-21

Turbine farm having an auxiliary power supply

#33
20110148112
2011-06-23

Control system and a method for controlling a wind turbine

#34
20110142644
2011-06-16

Wind turbine rotor blades with enhanced lightning protection system

#35
20110142640
2011-06-16

CYLINDER DRIVING DEVICE

#36
20110135470
2011-06-09

Method for operating a variable-speed wind turbine and the wind turbine

#37
20110040414
2011-02-17

Methods for controlling a wind turbine connected to the utility grid, wind turbine and wind park

#38
20100295304
2010-11-25

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

#39
20100158687
2010-06-24

Control modes for extendable rotor blades

#40
20100135801
2010-06-03

Systems and methods for testing a wind turbine pitch control system

#41
20100014972
2010-01-21

System for rotating a wind turbine blade

#42
20090302608
2009-12-10

Wind power installation and method of modifying the blade pitch in a wind power installation

#43
20090187282
2009-07-23

Wind turbine arranged for independent operation of its components and related method and computer program

#44
20090174187
2009-07-09

Methods for controlling a wind turbine connected to the utility grid, wind turbine and wind park

#45
20090001726
2009-01-01

Energy supply for a blade adjustment device pertaining to a wind energy installation

#46
20080290664
2008-11-27

Wind energy installation with individual pitch devices

#47
20080118354
2008-05-22

Wind turbine comprising a multiplied redundancy control system and method of controlling a wind turbine

#48
20070267873
2007-11-22

Method and system for wind turbine blade movement

#49
20070267872
2007-11-22

Redundant blade pitch control system for a wind turbine and method for controlling a wind turbine

#50
20070024227
2007-02-01

Actuating drive and emergency energy supply device

#51
20060103137
2006-05-18

Wind power installation