ClassID:

218150

H02P1/28 - 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 polyphase induction motor by progressive increase of voltage applied to primary circuit of motor

Recent Application in this class:
#1
20230087561
2023-03-23

System and method for cooling power electronics of refrigerant compressors

#2
20220345015
2022-10-27

Induction motors including speed sensing circuits for motor control

#3
20200337226
2020-10-29

Power tool and control method for the same

#4
20190270089
2019-09-05

METHOD FOR ACTUATING A MOTOR FOR STARTING A MILL

#5
20190199085
2019-06-27

Motor control system with integrated solid-state contactor and relays and method of operation thereof

#6
20190190407
2019-06-20

Soft starter, operating method, and switching system

#7
20190097550
2019-03-28

Control method for verifying the compatibility between a variable speed drive and the input filter

#8
20190089146
2019-03-21

Soft-starter AC-AC converter with integrated solid-state circuit breaker and method of operation thereof

#9
20180254729
2018-09-06

Inverter control apparatus

#10
20170257041
2017-09-07

Acceleration method for V/F controlled induction motor in flux-weakening region

#11
20160336882
2016-11-17

Device and method for starting a motor for alternating current

#12
20160226406
2016-08-04

Variable Voltage Drive using Bidirectional Bipolar Transistors

#13
20150349683
2015-12-03

Augmented power converter

#14
20150311828
2015-10-29

Apparatus and means for starting of AC motors, algorithm for self-adapting motor start with soft-starter

#15
20150115864
2015-04-30

Motor control apparatus and method for controlling motor

#16
20140225554
2014-08-14

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

#17
20140184190
2014-07-03

AC to AC converter and method of operation thereof for soft starting motors and other applications

#18
20140075982
2014-03-20

Medium voltage power controller

#19
20130285592
2013-10-31

MEDIUM VOLTAGE SOFT STARTER AND INDUCTION MOTOR KIT

#20
20130020975
2013-01-24

Operationally dependent filtering for soft starter current measurements

#21
20120262103
2012-10-18

Softstarter for controlling an asynchronous three-phase motor

#22
20120256580
2012-10-11

System and method for fast start-up of an induction motor

#23
20120256579
2012-10-11

Apparatus and method for generating electromagnetic torque in an electric machine

#24
20120240614
2012-09-27

Medium voltage power controller

#25
20120098472
2012-04-26

Engagement of a spinning AC induction motor

#26
20110285341
2011-11-24

Method and device for an induction motor start

#27
20110179821
2011-07-28

Medium voltage variable speed drive for a chiller unit

#28
20090267552
2009-10-29

Soft starting method and system thereof in the way of wave-skipping with stepped frequency and stepless voltage regulating for a motor

#29
20090151879
2009-06-18

Motorized system for closing a building

#30
20090015190
2009-01-15

Device for the control of a smooth starting or ending of a three phase current motor, so-called soft starter

#31
20080141692
2008-06-19

Medium voltage starter for a chiller unit

#32
20060150655
2006-07-13

Medium voltage starter for a chiller unit

#33
20050052146
2005-03-10

Motor control system and vacuum pump equipped with the motor control system

#34
15644181
2018-07-03

Motor starting methods and apparatus using output voltage control based on source voltage

#35
12824291
2015-08-11

Augmented power converter