ClassID:

218203

H02P5/74 - page 2 - CPC Classification

Classification description:

Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors

Recent Application in this class:
#301
20170036671
2017-02-09

Apparatus and method of controlling vehicle

#302
20170005599
2017-01-05

Driving device for motor for drive wheel of vehicle

#303
20170005598
2017-01-05

Drive device and method for operating a drive device

#304
20170005591
2017-01-05

Power conversion system

#305
20160365810
2016-12-15

Synchronizing motors for an electric propulsion system

#306
20160362187
2016-12-15

Varying quantities of motor poles for noise reduction

#307
20160347180
2016-12-01

Redundant drive system

#308
20160329842
2016-11-10

Induction motor-permanent magnet generator tandem configuration starter-generator for hybrid vehicles

#309
20160329841
2016-11-10

Robot control system

#310
20160285395
2016-09-29

Power system, power converter controlling apparatus, and electric vehicle having the power system

#311
20160244176
2016-08-25

Method and system for recycling motor power of a movable object

#312
20160241184
2016-08-18

Motor control apparatus having a function of detecting miswiring

#313
20160241170
2016-08-18

Motor control device, motor control system, and control method for motor control device

#314
20160200355
2016-07-14

Motor controller, electric power steering device using the motor controller, and vehicle using the motor controller

#315
20160156292
2016-06-02

Drive device

#316
20160134214
2016-05-12

Drive device

#317
20160126882
2016-05-05

Drive device

#318
20160118925
2016-04-28

Driving system for hybrid electric vehicles and method of controlling phase of pulse width modulation carrier signal in the same

#319
20160094163
2016-03-31

Apparatus for controlling first and second rotary electric machines

#320
20160087558
2016-03-24

Motor control apparatus having a function of determining start of machine protecting operation

#321
20160065099
2016-03-03

Motor driving system, motor driving device, multi-axis motor driving system, and multi-axis motor driving device

#322
20160059711
2016-03-03

MULTI-LINK POWER-SPLIT ELECTRIC POWER SYSTEM FOR AN ELECTRIC-HYBRID POWERTRAIN SYSTEM

#323
20160056749
2016-02-25

Servomotor control system including a buffer servomotor with a plurality of windings

#324
20160028559
2016-01-28

Systems and methods for communicating with electric motors

#325
20160020721
2016-01-21

Motor control device

#326
20160006388
2016-01-07

Motor drive device

#327
20160006379
2016-01-07

HYBRID ELECTRIFICATION SYSTEM OF PUMP STATION AND OPTIMAL OPERATION METHOD THEREOF

#328
20150354870
2015-12-10

Motor driving device and air conditioner including the same

#329
20150349674
2015-12-03

Multiaxial driving apparatus

#330
20150337737
2015-11-26

Starter/generator combination with all variable frequency drives

#331
20150318811
2015-11-05

Electrically-driven vehicle

#332
20150318805
2015-11-05

Multi-motor driving device and apparatus and method of driving motor for washing machine using same

#333
20150318802
2015-11-05

Drive device for a vehicle

#334
20150311833
2015-10-29

GENERAL-PURPOSE DESIGN OF DC-AC INVERTERS IN ELECTRIFIED AUTOMOBILE SYSTEMS

#335
20150303859
2015-10-22

Motor drive apparatus

#336
20150303838
2015-10-22

Power source device

#337
20150270795
2015-09-24

Control apparatus of injection molding machine

#338
20150270759
2015-09-24

Systems and methods for driving a plurality of motors

#339
20150256116
2015-09-10

Motor drive device having insulation resistance detecting function and method of detecting insulation resistance of motors

#340
20150244301
2015-08-27

Electric vehicle and control method therefor

#341
20150236634
2015-08-20

Series connected DC input inverters

#342
20150236623
2015-08-20

Electric motor control device and electric motor control method

#343
20150226775
2015-08-13

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

#344
20150224880
2015-08-13

Drive method with shifting of the switching frequency and drive device

#345
20150200613
2015-07-16

Electric vehicle and control method of electric vehicle

#346
20150188478
2015-07-02

Motor control system, control device, and control method

#347
20150188473
2015-07-02

Control device for detecting disconnection

#348
20150171776
2015-06-18

ELECTRIC VEHICLE

#349
20150165929
2015-06-18

ELECTRIC DRIVETRAIN USING A CONFIGURABLE POWER CONVERTER

#350
20150155816
2015-06-04

Vehicle-mounted motor driving control board

#351
20150112535
2015-04-23

Electric vehicle

#352
20150097505
2015-04-09

CURRENT SOURCE INVERTER DEVICE

#353
20150091492
2015-04-02

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

#354
20150085536
2015-03-26

Insulated power supply apparatus with upper arm transformers and a lower arm transformer

#355
20150084569
2015-03-26

Integrated system of circuits for serial fan structure

#356
20150042162
2015-02-12

Integrated drive motor power interface

#357
20150036402
2015-02-05

Power system controlling and monitoring power semiconductor devices employing two serial signals

#358
20140368131
2014-12-18

Motor drive device

#359
20140366921
2014-12-18

CONTROL UNIT FOR A COOKING DEVICE

#360
20140354194
2014-12-04

MOTOR DRIVE SYSTEM

#361
20140320052
2014-10-30

Centralized motor controller

#362
20140300297
2014-10-09

Multiplexed motor controller

#363
20140300296
2014-10-09

Method for controlling the operation of an arrangement of at least two electric machines, and motor vehicle

#364
20140292232
2014-10-02

Motor controller for synchronously controlling multiple motors

#365
20140285120
2014-09-25

System and method for managing DC link switching harmonics

#366
20140265942
2014-09-18

Electric vehicle with improved electric drive system

#367
20140225535
2014-08-14

Rotating electrical machine drive system

#368
20140225429
2014-08-14

System and method for providing auxiliary power by regeneration power management in mobile mining equipment

#369
20140210389
2014-07-31

Motor control device including electric storage device and resistance discharge device

#370
20140203744
2014-07-24

Machine having a converter controlled drive

#371
20140203739
2014-07-24

Aircraft comprising a distributed electric power unit with free wheels

#372
20140203640
2014-07-24

Device for stable subsea electric power transmission to run subsea high speed motors or other subsea loads

#373
20140203631
2014-07-24

Modular inverter rack and its control method for a set of electrical machines provided with position sensors

#374
20140184129
2014-07-03

Multi-axis motor driving system and motor driving apparatus

#375
20140139168
2014-05-22

Electrical system

#376
20140139016
2014-05-22

System for multiple inverter-driven loads

#377
20140132185
2014-05-15

System and method for variable speed motor control with a single control signal

#378
20140117885
2014-05-01

Multi-driving device and driving circuit thereof

#379
20140097859
2014-04-10

Multiaxial motor driving apparatus and multiaxial motor drive device for determining whether or not there is a miswiring

#380
20140070734
2014-03-13

Method and system for motor speed control

#381
20140042993
2014-02-13

Method and apparatus of shunt control for multiple power converters on a shared DC bus

#382
20140042939
2014-02-13

Motor voltage conversion control device

#383
20140035489
2014-02-06

Battery control and protective element validation method

#384
20140018989
2014-01-16

Efficiency map generating apparatus, efficiency map generating method, and program

#385
20140018988
2014-01-16

Efficiency map generating apparatus, efficiency map generating method, and program

#386
20130293168
2013-11-07

Supply line, supply system and method for operating an electric drive

#387
20130249451
2013-09-26

Voltage conversion control device for motor

#388
20130241444
2013-09-19

Multi output inverter

#389
20130193900
2013-08-01

Motor drive control device for limiting output of motor

#390
20130134910
2013-05-30

Motor drive apparatus having power failure detection unit for determining presence or absence of power failure

#391
20130129473
2013-05-23

Avoidance of torsional excitations in converter-controlled compressor runs

#392
20130128628
2013-05-23

Power system controlling and monitoring power semiconductor devices employing two serial signals

#393
20130127390
2013-05-23

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

#394
20130119913
2013-05-16

Integrated drive motor power interface

#395
20130119902
2013-05-16

System and method for managing DC link switching harmonics

#396
20130113402
2013-05-09

Actuator having an adjustable auxiliary output

#397
20130099705
2013-04-25

Motor driving device having reactive current instruction generating unit

#398
20130094599
2013-04-18

Alternating current rotating machine control device

#399
20130062138
2013-03-14

Rotating electrical machine control device and steering control system

#400
20130057057
2013-03-07

Power source system controlling a plurality of generators

#401
20130036985
2013-02-14

Synchonrous oscillating fan system for livestock shelter

#402
20130035203
2013-02-07

Control device for drive motors

#403
20130026964
2013-01-31

Control device that drives one driven object by two motors

#404
20130015787
2013-01-17

Method for hot connecting a motor to a variable speed drive

#405
20120319625
2012-12-20

MOTOR CONTROL SYSTEM

#406
20120306413
2012-12-06

Motor driving device comprising maximum output calculation unit of direct current conversion unit

#407
20120297819
2012-11-29

Methods and systems for providing combined blower motor and draft inducer motor control

#408
20120268049
2012-10-25

System for driving elongated electric machines

#409
20120265390
2012-10-18

Controller assemblies for electric drive utility vehicles

#410
20120257424
2012-10-11

Limiting peak electrical power drawn by mining excavators

#411
20120256567
2012-10-11

Motor drive control system enabling connection of direct current/alternating current conversion device

#412
20120234504
2012-09-20

Programmable motor for window coverings

#413
20120215361
2012-08-23

process for the processing of food products, in particular for the processing of ice-cream, and machine for effecting said process

#414
20120213649
2012-08-23

Electric compressor

#415
20120176735
2012-07-12

System for providing power and control signals to devices

#416
20120107109
2012-05-03

Aircraft engine nacelle comprising a mobile cowl moved by electric motors

#417
20120059555
2012-03-08

Fuel efficient crane system

#418
20120032508
2012-02-09

Method and apparatus for peak shifting adjustment

#419
20120019188
2012-01-26

Induction motor control device and induction motor group control system

#420
20110298408
2011-12-08

Motor, control method therefor, and cluster control system comprising the same

#421
20110266984
2011-11-03

POWER DRIVE CONTROL DEVICE AND POWER DEVICE

#422
20110265958
2011-11-03

Motor arrangement for window coverings

#423
20110254368
2011-10-20

Power distribution system and method thereof

#424
20110175579
2011-07-21

System and method for providing auxiliary power by regeneration power management in mobile mining equipment

#425
20110156623
2011-06-30

MOTOR DRIVE APPARATUS AND POWER STEERING APPARATUS USING THE SAME

#426
20110133485
2011-06-09

Transverse regulated flux machine

#427
20110080762
2011-04-07

Electronic device control system and method

#428
20110080125
2011-04-07

Control device for electric motor drive apparatus

#429
20110074326
2011-03-31

Electrical motor/generator drive apparatus and method

#430
20110074320
2011-03-31

Control device for electric motor drive device

#431
20110062900
2011-03-17

Image forming apparatus, motor control apparatus, and motor control method

#432
20110057585
2011-03-10

SYSTEM FOR REALIZING ROTOR VARIABLE FREQUENCY SPEED CONTROL ASYNCHRONOUSLY AND SIMULTANEOUSLY BY DRIVING FOUR MOTORS VIA ONE INVERTER

#433
20110056716
2011-03-10

Electric saw communication

#434
20110050143
2011-03-03

Synchronous oscillating fan system for livestock shelter

#435
20110031906
2011-02-10

MOTOR DRIVING DEVICE, INTEGRATED CIRCUIT DEVICE, MOTOR DEVICE, AND MOTOR DRIVING SYSTEM

#436
20110018472
2011-01-27

HVAC/R system with variable frequency drive (VFD) power supply for multiple motors

#437
20100327796
2010-12-30

Servomotor control system and servomotor unit

#438
20100321839
2010-12-23

Over-current protection device for multiple high-voltage motive devices and method thereof

#439
20100320949
2010-12-23

Multi output inverter

#440
20100301787
2010-12-02

Methods, systems and apparatus for controlling operation of two alternating current (AC) machines

#441
20100301786
2010-12-02

Methods, systems and apparatus for controlling operation of two alternating current (AC) machines

#442
20100289443
2010-11-18

Limiting peak electrical power drawn by mining excavators

#443
20100224428
2010-09-09

Power supply device and vehicle including the same, control method for power supply device, and computer-readable recording medium having program for causing computer to execute that control method recorded thereon

#444
20100181834
2010-07-22

Circuit arrangement for the selective operation of at least two electric machines

#445
20100176755
2010-07-15

Power conversion system and method

#446
20100171448
2010-07-08

Motor controlling apparatus

#447
20100148716
2010-06-17

Asynchronous AC induction electrical machines in cross-interlockingly parallel connection

#448
20100117582
2010-05-13

Motor control device

#449
20100097027
2010-04-22

Methods and apparatus for controlling multiple A.C. induction machines from a single inverter

#450
20100097024
2010-04-22

Drive system for multiple motors

#451
20100096932
2010-04-22

System, method, and computer software code for controlling multiple generators of a powered system

#452
20100072924
2010-03-25

Method for controlling AC linear motors, device for driving AC linear motors, and system of AC linear motors

#453
20100071970
2010-03-25

Electrical system using phase-shifted carrier signals and related operating methods

#454
20100066281
2010-03-18

Traction drive of a rail vehicle for driving and generative braking

#455
20100033123
2010-02-11

System for realizing rotor variable frequency speed control asynchronously and simultaneously by driving multiple motors via one inverter

#456
20100018654
2010-01-28

Programmable motor for window coverings

#457
20100013419
2010-01-21

Parallel motor controller architecture

#458
20090327790
2009-12-31

METHOD FOR SYNCHRONIZING A PLURALITY OF DRIVES, AND A DRIVE OPERATED WITH THE METHOD

#459
20090309529
2009-12-17

Power branching system and power branching method

#460
20090309528
2009-12-17

Motor driving system and controlling method of the same

#461
20090279215
2009-11-12

Protecting device for multi-motors and method thereof

#462
20090256504
2009-10-15

Motor drive device

#463
20090251083
2009-10-08

Control apparatus for AC rotary machine

#464
20090243559
2009-10-01

UNIVERSAL, FAIL-SAFE, COMMON CONTROL OF MULTIPLE ALTERNATORS ELECTRICALLY CONNECTED IN TANDEM PARALLEL FOR PRODUCING HIGH CURRENT

#465
20090230901
2009-09-17

Power source apparatus for vehicle, vehicle and method of controlling power source apparatus

#466
20090201650
2009-08-13

Controller assemblies for electric drive utility vehicles

#467
20090167376
2009-07-02

System and method for pulse edge synchronization

#468
20090115355
2009-05-07

Electric power control device, electric powered vehicle including the same, and method for controlling electric power of electric vehicle

#469
20090001906
2009-01-01

Method and apparatus for controlling asynchronous motors

#470
20080303470
2008-12-11

Single processor dual motor control

#471
20080286088
2008-11-20

Fan system and motor control circuit

#472
20080258655
2008-10-23

Hybrid motor boost system and methods

#473
20080150455
2008-06-26

Dual motor drive system, control device for the same, and motor to be used in the same

#474
20080079373
2008-04-03

Electric braking of machinery with a plurality of inverter-fed motors

#475
20080074812
2008-03-27

DC common bus self-protection method and system

#476
20080054827
2008-03-06

POWER SYSTEM RATING CONVERTER

#477
20080013353
2008-01-17

Frequency converter assembly and method of using frequency converter assembly

#478
20070290652
2007-12-20

Method for controlling a cycle-skipping control system including computer readable code and controller for performing such method

#479
20070290633
2007-12-20

Controller for motor and control method for motor

#480
20070278986
2007-12-06

Electric motor drive control system and control method thereof

#481
20070262735
2007-11-15

System and method for regenerative energy control when multiple motors share a common power supply

#482
20070241699
2007-10-18

Motor-generator control system

#483
20070194760
2007-08-23

Generator control arrangement

#484
20070074716
2007-04-05

Multiple motor operation using solar power

#485
20070058404
2007-03-15

Voltage conversion device

#486
20070013325
2007-01-18

Motor drive unit

#487
20060192518
2006-08-31

Multi-motor switched reluctance traction system

#488
20060186850
2006-08-24

Fan motor drive control apparatus

#489
20060131888
2006-06-22

High frequency bus method

#490
20060091836
2006-05-04

Power output apparatus and vehicle including such power output apparatus

#491
20060087278
2006-04-27

Methods for managing electrical power

#492
20060061321
2006-03-23

Speed control system of fan motor of air conditioner

#493
20060061318
2006-03-23

Servo control device

#494
20060038524
2006-02-23

Servo motor driving apparatus and servo motor driving method

#495
20060012322
2006-01-19

Driving apparatus for driving multiple induction motors

#496
20060006827
2006-01-12

Motor control apparatus having current supply phase correction

#497
20060001397
2006-01-05

High frequency bus system

#498
20060001319
2006-01-05

Auxiliary bus system

#499
20060001318
2006-01-05

Auxiliary bus method

#500
20050276020
2005-12-15

System and method for a cooling system

#501
20050163628
2005-07-28

Electric drive assembly

#502
20050146305
2005-07-07

Converter system, method, and converter

#503
20050100330
2005-05-12

Integrated inverter for driving multiple electric machines

#504
20050077847
2005-04-14

Apparatus and method for controlling drive of plural actuators

#505
20050029952
2005-02-10

Drive system

#506
17702069
2023-07-04

Dual-motor propulsion assembly

#507
17366449
2022-06-07

Methods and systems for electric propulsor fault detection

#508
17327273
2021-11-09

System and method for electronic power take-off controls

#509
17125580
2025-02-04

Control system for vehicle doors

#510
16834433
2020-10-13

Electric drive fracturing power supply semi-trailer

#511
16394700
2019-11-12

Method of controlling propulsion and suspension of linear induction motors

#512
15659754
2018-04-24

Motor control device controlling several motors independently

#513
15335287
2018-05-22

Dual-drive electric motor control system and methods for hybrid operation of electric motors