ClassID:

218165

H02P1/50 - CPC Classification

Classification description:

Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor by changing over from asynchronous to synchronous operation

Recent Application in this class:
#1
20230038317
2023-02-09

Synchronous motor startup configuration to synchronous mode at a field zero-crossing

#2
20210118611
2021-04-22

VARIABLE SPEED GENERATOR/MOTOR DEVICE

#3
20200144949
2020-05-07

Variable speed generator-motor apparatus and variable speed generator-motor system

#4
20190245466
2019-08-08

Brushless synchronous power generation apparatus

#5
20190058421
2019-02-21

End ring and rotor bar for line start permanent magnet motor

#6
20180083555
2018-03-22

Field Winding Type Synchronous Motor and Control Method Thereof

#7
20180062552
2018-03-01

Electric motor protection using stator current and voltage measurements

#8
20180030944
2018-02-01

Integrated brushless starter generator

#9
20160126876
2016-05-05

Divided phase AC synchronous motor controller

#10
20150303847
2015-10-22

High conductivity rotor cage for line start permanent magnet motor

#11
20150303747
2015-10-22

End ring and rotor bar for line start permanent magnet motor

#12
20150035471
2015-02-05

Field winding type synchronous motor

#13
20140232317
2014-08-21

System and method for controlling a synchronous motor

#14
20140184132
2014-07-03

Process for switching power supply of electric engine and associated device for controlling power supply

#15
20120274289
2012-11-01

Controller and variable-speed generator-motor starting method

#16
20120211981
2012-08-23

Turbine engine starter/generator, and method for the control thereof

#17
20110291605
2011-12-01

Single phase AC synchronized motor

#18
20100090641
2010-04-15

Operation control method and operation control apparatus for variable speed generator-motor

#19
20080258672
2008-10-23

Method of starting a synchronous motor with a brushless DC exciter

#20
20070188038
2007-08-16

SELF MAGNETIZING MOTOR

#21
20070132333
2007-06-14

Self magnetizing motor and method for winding coils on stator thereof

#22
20070132332
2007-06-14

Self magnetizing motor and method for winding coils on stator thereof

#23
20070007842
2007-01-11

Self magnetizing motor and stator thereof

#24
20050017670
2005-01-27

Driving circuit for improving starting of hybrid induction motor and method thereof