ClassID:

218337

H02P9/44 - CPC Classification

Classification description:

Arrangements for controlling electric generators for the purpose of obtaining a desired output Control of frequency and voltage in predetermined relation, e.g. constant ratio

Recent Application in this class:
#1
20250132567
2025-04-24

WIND TURBINE, AND CONTROL METHOD AND APPARATUS FOR CONVERTER OF WIND TURBINE

#2
20220105813
2022-04-07

Electric vehicle sound enhancement

#3
20210028731
2021-01-28

Monitoring a multi-winding set stator

#4
20190305582
2019-10-03

Automotive generator control method and device

#5
20190229658
2019-07-25

Off-grid power generating apparatus

#6
20190229657
2019-07-25

Off-grid power generating apparatus for providing dual output voltage

#7
20190123669
2019-04-25

Wound field generator overvoltage prevention

#8
20180309360
2018-10-25

Power conversion apparatus and air conditioner including the same

#9
20180269819
2018-09-20

Method and control system for controlling a power converter

#10
20180262138
2018-09-13

Electric power generation control device of alternating current generator for vehicles

#11
20180167008
2018-06-14

Method for determining a droop response profile of a electrical machine connected to an electrical grid

#12
20180076661
2018-03-15

Operation of a local alternating current network with a genset and a UPS

#13
20180071851
2018-03-15

METHODS AND SYSTEMS FOR MULTI-VOLTAGE AND FREQUENCY ENGINE DRIVE

#14
20150236630
2015-08-20

Voltage regulator system for a genset

#15
20140300108
2014-10-09

Multi bandwidth voltage controllers for a wind power plant

#16
20140015497
2014-01-16

Balancing vibrations at harmonic frequencies by injecting harmonic balancing signals into the armature of a linear motor/alternator coupled to a Stirling machine

#17
20130127172
2013-05-23

Electrical rotating machine system or wind turbine system

#18
20120061966
2012-03-15

WIND POWER GENERATION CONTROL DEVICE AND WIND POWER GENERATION CONTROL METHOD

#19
20080042507
2008-02-21

Turbine starter-generator