ClassID:

218183

H02P3/22 - page 2 - CPC Classification

Classification description:

Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by short-circuit or resistive braking

Recent Application in this class:
#301
20120019177
2012-01-26

Power tool having an electric brake

#302
20120019176
2012-01-26

Power supply system and electric powered vehicle using the same

#303
20110316456
2011-12-29

Electrodynamic braking device for a universal motor

#304
20110309315
2011-12-22

TWO SPEED DIRECT DRIVE DRAWWORKS

#305
20110260661
2011-10-27

Brake resistor control

#306
20110163702
2011-07-07

Converter with distributed brake resistances

#307
20110163546
2011-07-07

Method for operating a power dissipating unit in a wind turbine

#308
20110163544
2011-07-07

Method for operating a power dissipating unit in a wind turbine

#309
20110140430
2011-06-16

Method and system for providing increased turbine output for doubly fed induction generator

#310
20110078910
2011-04-07

Electric power tool

#311
20110062778
2011-03-17

Diesel-electric drive system

#312
20110058288
2011-03-10

Protective redundant subsystem for power tools

#313
20110057446
2011-03-10

WIND TURBINE OPERATION METHOD AND SYSTEM

#314
20110057443
2011-03-10

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

#315
20110056715
2011-03-10

Redundant overspeed protection for power tools

#316
20100288067
2010-11-18

Industrial robot having redundant emergency brake circuit

#317
20100244753
2010-09-30

Method and electrical machine for braking a thermal engine of vehicle during the stop phase thereof

#318
20100194315
2010-08-05

POWER TOOLS

#319
20100166572
2010-07-01

Braking controller of a three-phase permanent magnetic brushless DC motor for directly driving a screw pump

#320
20100123419
2010-05-20

Asymmetrical driver

#321
20100117583
2010-05-13

Method for operating an electric motor and apparatus for performing the method

#322
20100066281
2010-03-18

Traction drive of a rail vehicle for driving and generative braking

#323
20100066279
2010-03-18

Method and apparatus of fan motor brake

#324
20100050703
2010-03-04

Washer dryer

#325
20100037402
2010-02-18

Method of controlling motor-driven washing machine and control system for the same

#326
20100037400
2010-02-18

Method of controlling motor-driven washing machine and control system for the same

#327
20100013299
2010-01-21

Diesel-electric drive system

#328
20100007145
2010-01-14

Stall controller and triggering condition control features for a wind turbine

#329
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

#330
20090267545
2009-10-29

Method and arrangement in connection with a brake chopper

#331
20090230913
2009-09-17

DC bus discharge in an electric motor system

#332
20090224706
2009-09-10

Safety device for detecting inadequate electric braking and commutation to a safety brake

#333
20090224704
2009-09-10

Power transducer

#334
20090212724
2009-08-27

Method for braking an AC motor

#335
20090200969
2009-08-13

Regenerative braking apparatus

#336
20090189551
2009-07-30

Method and apparatus for stopping servo motor

#337
20090167218
2009-07-02

Method and apparatus for braking a motor

#338
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

#339
20090099703
2009-04-16

Control system for an electrical machine

#340
20090072772
2009-03-19

DIESEL-ELECTRIC DRIVE SYSTEM HAVING A SYNCHRONOUS GENERATOR WITH PERMANENT MAGNET EXCITATION

#341
20090066272
2009-03-12

Electric safety braking device with permanent magnet motor and breaking torque control

#342
20090021022
2009-01-22

Stall controller and triggering condition control features for a wind turbine

#343
20080303458
2008-12-11

Enhancement of the efficiency of energy recovery during spindle motor step-up phases for parking the R/W head of a disk storage device upon external supply failure

#344
20080265813
2008-10-30

Dynamic braking load analyzer

#345
20080246427
2008-10-09

Electromechanical drive system, in particular for progressive cavity pumps for oil wells

#346
20080231219
2008-09-25

Motor drive apparatus and motor drive method

#347
20080197966
2008-08-21

Pulse resistor (brake resistor) for a frequency converter in the higher voltage and capacity range

#348
20080150459
2008-06-26

Safe electric braking device for printing presses and method of electrically braking an electric drive in a machine processing printing material

#349
20080143283
2008-06-19

SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR CONTROLLING PERFORMANCE OF A DYNAMIC BRAKING SYSTEM

#350
20080013353
2008-01-17

Frequency converter assembly and method of using frequency converter assembly

#351
20070291426
2007-12-20

System and method for protecting a motor drive unit from motor back EMF under fault conditions

#352
20070279815
2007-12-06

Redundant electrical brake and protection system for electric generators

#353
20070273314
2007-11-29

Method for braking an electromotor and electrical drive

#354
20070216329
2007-09-20

Motor control apparatus, motor control method, hard disk drive testing apparatus, and storage device manufacturing method

#355
20070216164
2007-09-20

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

#356
20070205731
2007-09-06

Methods and systems for dynamically braking an electronically commutated motor

#357
20070200526
2007-08-30

Glass machinery motor control

#358
20070170724
2007-07-26

Stall controller and triggering condition control features for a wind turbine

#359
20070164567
2007-07-19

Wind turbine dump load system and method

#360
20070145939
2007-06-28

Method for controlling AC motor

#361
20070090783
2007-04-26

Apparatus for braking a synchronous machine

#362
20070063661
2007-03-22

Protection circuit for permanent magnet synchronous motor in field weakening operation

#363
20070035262
2007-02-15

Mesh connected brake array for electrical rotating machines

#364
20070001635
2007-01-04

Method and system for starting a sensorless motor

#365
20060238929
2006-10-26

Method for controlling a power-grid connected wind turbine generator during grid faults and apparatus for implementing said method

#366
20060181235
2006-08-17

AC drive apparatus, vehicle control apparatus, and power conversion method and vehicle control method

#367
20060091840
2006-05-04

Circuit configuration and method for controlling an electric motor, in particular of a washing machine

#368
20060087292
2006-04-27

Energy attenuating device with the dynamical and adaptive damping feature

#369
20060050462
2006-03-09

Resistive braking module with thermal protection

#370
20050248361
2005-11-10

Damping control in a three-phase motor with a single current sensor

#371
20050242758
2005-11-03

Mesh connected brake array for electrical rotating machines

#372
20050237775
2005-10-27

Antirotational structures for wave energy converters

#373
20050235641
2005-10-27

Wave energy converters (WECs) with velocity multiplication

#374
20050230206
2005-10-20

Wave energy converter (WEC) with magnetic braking

#375
20050212468
2005-09-29

Device for braking a magnetic levitation railway

#376
20050170716
2005-08-04

System and method for braking a motor of a propulsion unit

#377
20050120492
2005-06-09

Method of controlling motor-driven washing machine and control system for the same

#378
20050077863
2005-04-14

Power converter

#379
16364028
2020-07-21

Speed control system of a universal motor

#380
15406769
2018-06-12

Fan motor power-off automatic braking circuit