ClassID:

218412

H02P23/08 - CPC Classification

Classification description:

Arrangements or methods for the control of AC motors characterised by a control method other than vector control Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency

Recent Application in this class:
#1
20230421083
2023-12-28

Superconducting rotating machine and method of controlling superconducting rotating machine

#2
20230318502
2023-10-05

Determination of operation mode for AC asynchronous three-phrase motor in escalator system

#3
20230079096
2023-03-16

Control of an induction generator of a wind turbine

#4
20220048544
2022-02-17

Variable-gauge train control apparatus

#5
20210399665
2021-12-23

Estimating method for estimating rotor frequency of motor

#6
20210111653
2021-04-15

Induction motor slip calculation

#7
20210087758
2021-03-25

Monitoring device for a slipform paver for monitoring the compaction of concrete and a method for monitoring the compaction of concrete during operation of a slipform paver

#8
20200215282
2020-07-09

Induction motor control

#9
20200119680
2020-04-16

Flux observer-based control strategy for an induction motor

#10
20190348939
2019-11-14

Apparatus for reducing belt slip

#11
20190052212
2019-02-14

Doubly fed induction motor

#12
20190036471
2019-01-31

Motor controller

#13
20190036470
2019-01-31

Motor controller

#14
20180375452
2018-12-27

Variable-speed pumped storage power generation apparatus

#15
20180278148
2018-09-27

Method for controlling inverter

#16
20180094636
2018-04-05

DEVICE FOR DETECTING A NON-OPTIMAL LUBRICATION CONDITION IN A COMPRESSOR OF A REFRIGERATION SYSTEM, A COMPRESSOR UNIT WHICH COMPRISES THE DEVICE AND A METHOD FOR DETECTING A NON-OPTIMAL LUBRICATION CONDITION IN A COMPRESSOR OF A REFRIGERATION SYSTEM

#17
20180062552
2018-03-01

Electric motor protection using stator current and voltage measurements

#18
20180026564
2018-01-25

Control device for an asynchronous machine and method for operating an asynchronous machine

#19
20170363096
2017-12-21

Induction motor control

#20
20160336881
2016-11-17

Single phase motor energy economizer for regulating the use of electricity

#21
20160276971
2016-09-22

Methods of auto tuning machine parameters and systems thereof

#22
20160156298
2016-06-02

Method and device for operating an asynchronous machine, and an asynchronous machine

#23
20160134219
2016-05-12

Apparatus for controlling inverter

#24
20160094174
2016-03-31

Control device of rotating electric machine and method for controlling the same

#25
20150318811
2015-11-05

Electrically-driven vehicle

#26
20150311849
2015-10-29

Induction motor speed estimation

#27
20150120120
2015-04-30

ELECTRIC DRIVE VEHICLE

#28
20140346999
2014-11-27

Control device and control method

#29
20140197775
2014-07-17

Single phase motor energy economizer for regulating the use of electricity

#30
20140097779
2014-04-10

Fan array vibration control system and method

#31
20130207590
2013-08-15

Electric power tool

#32
20130043824
2013-02-21

CONTROL DEVICE FOR AN ASYNCHRONOUS ELECTRIC MACHINE, ELECTRIC PROPULSION SYSTEM COMPRISING SAID DEVICE, AND METHOD FOR CONTROLLING AN ASYNCHRONOUS ELECTRIC MACHINE

#33
20130043823
2013-02-21

CONTROL DEVICE FOR AN ASYNCHRONOUS ELECTRIC MACHINE, ELECTRIC PROPULSION SYSTEM COMPRISING SAID DEVICE, AND METHOD FOR CONTROLLING AN ASYNCHRONOUS ELECTRIC MACHINE

#34
20120326640
2012-12-27

Adaptive flux control drive

#35
20120229070
2012-09-13

Single phase motor energy economizer for regulating the use of electricity

#36
20120086383
2012-04-12

Dephasing control

#37
20110050150
2011-03-03

ELECTRIC MOTOR

#38
20100320945
2010-12-23

Motor drive system using potential at neutral point

#39
20100185350
2010-07-22

Control device for electric-powered vehicle, and electric-powered vehicle with control device as well as control method for electric-powered vehicle, and computer-readable recording medium bearing program for causing computer to execute control method

#40
20100117588
2010-05-13

MOTOR CONTROLLER SYSTEM AND METHOD FOR MAXIMIZING ENERGY SAVINGS

#41
20100013427
2010-01-21

Motor controller system and method for maximizing energy savings

#42
20090302787
2009-12-10

Induction and switched reluctance motor

#43
20090256519
2009-10-15

System, method and program product for cable loss compensation in an electrical submersible pump system

#44
20090106912
2009-04-30

Motor apparatus and method

#45
20080315824
2008-12-25

Induction motor drive unit, motor drive system, and elevating system

#46
20080272716
2008-11-06

Linear induction machine control scheme, systems, and methods

#47
20080260541
2008-10-23

Induction Motor Control

#48
20070063677
2007-03-22

Slip-controlled, wound-rotor induction machine for wind turbine and other applications

#49
20070024224
2007-02-01

kW-based torque control for AC motors

#50
20050083009
2005-04-21

Method and arrangement in connection with slip-ring machine

#51
15958201
2019-04-30

Inverter supplying power to induction motor for driving hoist