H02P27/02 - CPC Classification Index

ClassID:

218457 ⎘

H02P27/02 - CPC Classification

Classification description:

Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude

Sub-classes:

H02P27/023 » {wherein only rotor or only stator circuit is supplied with ac} 3
H02P27/026 » {whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value} 6

Recent Application in this class:

20230011554

2023-01-12

TECHNIQUE FOR DISSIPATING HEAT IN ELECTRIC WORK MACHINE

20220352839

2022-11-03

A MOTOR DRIVE SIGNAL GENERATOR

20220195656

2022-06-23

Clothes treating apparatus and the control method for the same

20200343844

2020-10-29

Electric machine controlling method and electric machine controlling device

20200295679

2020-09-17

Detection of the type of an electric motor for the configuration of a variable speed drive

20200169209

2020-05-28

Drive with integrated dynamic load control

20200120916

2020-04-23

SOFT START MOTOR CONTROL SYSTEM FOR AN IRRIGATION SYSTEM

20190341868

2019-11-07

Motor control device and control method

20190158006

2019-05-23

Motor control device and method of controlling motor

#10

20190059352

2019-02-28

Soft start motor control system for an irrigation system

#11

20180167014

2018-06-14

Motor control device and motor control method

#12

20170052585

2017-02-23

Rechargeable battery power system having a battery with multiple uses

#13

20160268933

2016-09-15

Arc free phase control alternatives for AC motor starters

#14

20160226419

2016-08-04

Method and system for controlling an angualr speed of an induction motor

#15

20160134219

2016-05-12

Apparatus for controlling inverter

#16

20160065063

2016-03-03

Methods of generating output variable voltage for electric drive devices and systems thereof

#17

20150168033

2015-06-18

Heat pump device, heat pump system, air conditioner, and freezer

#18

20150097506

2015-04-09

Voltage step-up six-phase autotransformer passive rectification AC-DC converter

#19

20150056083

2015-02-26

Energy saving system and method for devices with rotating or reciprocating masses

#20

20140334211

2014-11-13

Power inverter implementing phase skipping control

#21

20140225554

2014-08-14

Method for controlling a controlled switch operating the power supply of an electric motor

#22

20130293162

2013-11-07

Control of heavy machines

#23

20130265013

2013-10-10

Permanent magnet generator inductance profile identification

#24

20120256579

2012-10-11

Apparatus and method for generating electromagnetic torque in an electric machine

#25

20120245207

2012-09-27

NICOTINIC ACID COMPOSITIONS FOR TREATING HYPERLIPIDEMIA AND RELATED METHODS THEREFOR

#26

20120157685

2012-06-21

INTERMEDIATE RELEASE NICOTINIC ACID COMPOSITIONS FOR TREATING HYPERLIPIDEMIA WHICH EXHIBIT AN IN VIVO STAIR-STEPPED ABSORPTION CURVE

#27

20110248663

2011-10-13

Control system for AC motor

#28

20110245299

2011-10-06

NICOTINIC ACID COMPOSITIONS FOR TREATING HYPERLIPIDEMIA AND RELATED METHODS THEREFOR

#29

20110225442

2011-09-15

Method for the operation of synchronous motors, and associated device

#30

20100324843

2010-12-23

Method and device for measuring the electric power of a universal electric motor powered by sinusoidal alternating voltage

#31

20100320956

2010-12-23

Energy saving system and method for devices with rotating or reciprocating masses

#32

20100240899

2010-09-23

INTERMEDIATE RELEASE NICOTINIC ACID COMPOSITIONS FOR TREATING HYPERLIPIDEMIA WHICH EXHIBIT AN IN VIVO STAIR-STEPPED ABSORPTION CURVE

#33

20100219777

2010-09-02

Control of heavy machines

#34

20100148711

2010-06-17

Pseudo current type 120-degree conduction inverter

#35

20090054499

2009-02-26

Intermediate Release Nicotinic Acid Compositions For Treating Hyperlipidemia Which Exhibit an In Vivo Stair-Stepped Absorption Curve

#36

20080300284

2008-12-04

NICOTINIC ACID COMPOSITIONS FOR TREATING HYPERLIPIDEMIA AND RELATED METHODS THEREFOR

#37

20060113952

2006-06-01

High power density/limited DC link voltage synchronous motor drive

#38

20060113930

2006-06-01

Control device for variable speed electric motors, particularly for power tools

#39

20050073278

2005-04-07

Electronic device for controlling a discharge pump driven by a synchronous electric motor with a permanent-magnet rotor