ClassID:

218543

H02P2207/073 - CPC Classification

Classification description:

Indexing scheme relating to controlling arrangements characterised by the type of motor; Doubly fed machines receiving two supplies both on the stator only wherein the power supply is fed to different sets of stator windings or to rotor and stator windings wherein only one converter is used, the other windings being supplied without converter, e.g. doubly-fed induction machines

Recent Application in this class:
#1
20240333181
2024-10-03

METHOD AND APPARATUS FOR COMPUTER-IMPLEMENTED CONTROLLING OF A DOUBLY-FED ELECTRIC MACHINE

#2
20200382046
2020-12-03

System and method for controlling harmonics in a renewable energy power system

#3
20200274360
2020-08-27

Balancing reactive current between a DFIG stator and a grid-side inverter

#4
20200191116
2020-06-18

System and method for controlling voltage of a DC link of a power converter of an electrical power system

#5
20190123559
2019-04-25

Method of controlling electrical power system and apparatus using the same

#6
20180048157
2018-02-15

POWER GENERATION SYSTEM AND RELATED METHOD OF OPERATING THE POWER GENERATION SYSTEM

#7
20170250534
2017-08-31

Reactive power prediction capability

#8
20140204630
2014-07-24

Current balance control for non-interleaved parallel bridge circuits in power converter

#9
20120119712
2012-05-17

Control method for doubly-fed electric generator

#10
20110273128
2011-11-10

Synchronous motor and system for driving synchronous motor

#11
20110254516
2011-10-20

Automatic Detection Method and Apparatus for Rotor Initial Position Angle of Double-Fed Machine

#12
20110210553
2011-09-01

Protection system of a doubly-fed induction machine

#13
20110057446
2011-03-10

WIND TURBINE OPERATION METHOD AND SYSTEM

#14
20100133826
2010-06-03

Method and apparatus for generating power in a wind turbine

#15
20090033258
2009-02-05

Motor controller

#16
20080303489
2008-12-11

Controller of doubly-fed induction generator

#17
20080116770
2008-05-22

Drive circuits

#18
20070241699
2007-10-18

Motor-generator control system

#19
20070177314
2007-08-02

Method, apparatus and computer program product for injecting current

#20
20060219470
2006-10-05

Motor-driven power steering apparatus

#21
20060138980
2006-06-29

Electrical rotating machine control unit and power generation system

#22
20050151504
2005-07-14

Electrical rotating machine control unit and power generation system

#23
20050018459
2005-01-27

Frequency converter and drive for electric motor