ClassID:

218544

H02P2207/076 - 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 both supplies are made via converters: especially doubly-fed induction machines; e.g. for starting

Recent Application in this class:
#1
20250119086
2025-04-10

ELECTRIC MOTOR CONTROL

#2
20190052212
2019-02-14

Doubly fed induction motor

#3
20160141997
2016-05-19

Device for controlling a polyphase inverter

#4
20160134220
2016-05-12

Modular multi-phase electric machine

#5
20150229261
2015-08-13

Method and an apparatus for controlling an electrical machine with two or more multiphase stator windings

#6
20140312823
2014-10-23

Harmonics suppression in a power delivery device

#7
20130038061
2013-02-14

COLLECTOR ANTI-WEARING AND LUBRICATION SYSTEM FOR VARIABLE SPEED WIND TURBINE

#8
20120185084
2012-07-19

Control device for hoist and control method thereof

#9
20110316466
2011-12-29

Motor drive apparatus and method, and electric power steering system using the same

#10
20110057443
2011-03-10

Collector anti-wearing and lubrication system for variable speed wind turbine

#11
20100188055
2010-07-29

Fault tolerant generator or starter/generator with low torque ripple

#12
20100117605
2010-05-13

Method of and apparatus for operating a double-fed asynchronous machine in the event of transient mains voltage changes

#13
20100026216
2010-02-04

Vector control for an axial gap motor

#14
20090278352
2009-11-12

Dynamic electric brake for a variable speed wind turbine having an exciter machine and a power converter not connected to the grid

#15
20090167095
2009-07-02

Connection and disconnection sequence for variable speed wind turbine having an exciter machine and a power converter not connected to the grid

#16
20090033258
2009-02-05

Motor controller

#17
20080315584
2008-12-25

Engine start system with a regulated permanent magnet machine

#18
20080007198
2008-01-10

Control apparatus for AC rotary machine

#19
20070216164
2007-09-20

Variable speed wind turbine having an exciter machine and a power converter not connected to the grid

#20
20060279247
2006-12-14

Method for operating a rotating electrical machine and apparatus for carrying out the method