ClassID:

218403

H02P23/0081 - CPC Classification

Classification description:

Recent Application in this class:
#1
20160087547
2016-03-24

Power conversion device, motor drive control device equipped with power conversion device, compressor and blower equipped with motor drive control device, and air conditioner equipped with compressor or blower

#2
20160049892
2016-02-18

Systems and Methods for Variable Speed Drives

#3
20160013746
2016-01-14

System and method for detecting loss of input phase by sensing before power rectifier

#4
20150381095
2015-12-31

Inverter control apparatus and control method thereof

#5
20150365034
2015-12-17

Power factor correction with variable bus voltage

#6
20150365033
2015-12-17

GRID-CONNECTED INDUCTION MACHINE WITH CONTROLLABLE POWER FACTOR

#7
20150340943
2015-11-26

Electric interference limitation

#8
20150288250
2015-10-08

Protective redundant subsystem for power tools

#9
20150229259
2015-08-13

ENERGY SAVING METHOD AND SYSTEM FOR MOTOR DRIVEN SYSTEMS

#10
20150226775
2015-08-13

SYSTEM, METHOD AND APPARATUS FOR COMPUTING, MONITORING, MEASURING, OPTIMIZING AND ALLOCATING POWER AND ENERGY FOR A ROD PUMPING SYSTEM

#11
20150194920
2015-07-09

MOTOR CONTROLLER SYSTEM AND METHOD FOR MAXIMIZING ENERGY SAVINGS

#12
20150171784
2015-06-18

Unity power factor induction machine

#13
20150091492
2015-04-02

System, method and apparatus for computing, monitoring, measuring, optimizing and allocating power and energy for a rod pumping system

#14
20150048775
2015-02-19

Motor controller with integrated metering function

#15
20150042253
2015-02-12

Method for determining phase angle in phase shift transformer for medium voltage inverter

#16
20150008851
2015-01-08

Method for controlling a permanently excited synchronous motor

#17
20140340012
2014-11-20

Motor drive apparatus

#18
20140225545
2014-08-14

Systems and methods for controlling electric machines

#19
20140167673
2014-06-19

Power saving driving circuit including power factor correction for an induction motor

#20
20140152209
2014-06-05

Power factor correction with variable bus voltage

#21
20140152012
2014-06-05

Systems and methods for utilizing an active compensator to augment a diode rectifier

#22
20140132191
2014-05-15

Power factor correction apparatus, power supplying apparatus and motor driving apparatus having the same

#23
20130328515
2013-12-12

Motor drive add-on pre-charge capacitive module and method

#24
20130320901
2013-12-05

Circuit arrangement for operating a load having a reactive characteristic

#25
20130271061
2013-10-17

Method for controlling an asynchronous machine having a converter in a manner that is optimal for (copper) loss

#26
20130147410
2013-06-13

Method and apparatus for control of a synchronous permanent magnet motor, particularly over a long cable in a well

#27
20130127388
2013-05-23

Systems and methods for downhole power factor correction

#28
20130127381
2013-05-23

Regenerative variable frequency drive

#29
20130106334
2013-05-02

Method and system of limiting current to a motor

#30
20130088183
2013-04-11

Single phase motor energy economizer for regulating the use of electricity

#31
20120081064
2012-04-05

Control of an electrical machine

#32
20110254489
2011-10-20

Control of a brushless motor