H02M5/22 - CPC Classification Index

ClassID:

217879 ⎘

H02M5/22 - CPC Classification

Classification description:

Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Sub-classes:

H02M5/225 » {comprising two stages of AC-AC conversion, e.g. having a high frequency intermediate link} 71
H02M5/25 » using devices of a thyratron or thyristor type requiring extinguishing means 4
H02M5/275 » using devices of a triode or transistor type requiring continuous application of a control signal 19

Recent Application in this class:

20230006537

2023-01-05

Isolated gate driver for bidirectional FET pair

20200125127

2020-04-23

APPARATUS FOR BYPASSING A LOAD CURRENT GOING THROUGH AN AC-AC SERIES VOLTAGE REGULATOR UNDER OVERCURRENT CONDITION

20190369546

2019-12-05

Power supply apparatus and image forming apparatus having adjusted load power

20190305677

2019-10-03

Circuit with reduced light load power dissipation and a method thereof

20190190429

2019-06-20

Phase control of DC bus in appliances

20180323722

2018-11-08

Standby power control for a flyback USB device using primary side frequency and data port sensing

20180152021

2018-05-31

Static synchronous compensator device and related method of phase balancing a three-phase power system

20170288559

2017-10-05

Transformer composed of a front stage circuit and a rear stage circuit

20170222429

2017-08-03

Pre-magnetizing a transformer connected to a modular multilevel power converter

#10

20170141692

2017-05-18

Energy saving high frequency series buck AC voltage regulator system

#11

20170067319

2017-03-09

Bidirectional chopping of high voltage power in high temperature downhole tools to reduce tool size

#12

20160315476

2016-10-27

Multiphase generator-conversion systems

#13

20160276947

2016-09-22

Power frequency current converter and method for controlling the same

#14

20160218635

2016-07-28

High frequency series AC voltage regulator

#15

20150260163

2015-09-17

Method and apparatus for obtaining electricity from offshore wind turbines

#16

20150102785

2015-04-16

Dynamic High Energy Switch

#17

20150048753

2015-02-19

Shunt device in lighting control system without neutral wire

#18

20140233276

2014-08-21

Power converter control method

#19

20140167709

2014-06-19

Method for controlling a cycloconverter, electronic control device therefor, cycloconverter, and computer program

#20

20140029320

2014-01-30

Power conversion with added pseudo-phase

#21

20130258729

2013-10-03

MEDIUM VOLTAGE POWER APPARATUS

#22

20130063994

2013-03-14

Power conversion with added pseudo-phase

#23

20120161860

2012-06-28

Multi-level control for pass transistor gate voltage

#24

20110169332

2011-07-14

Modular power supply arrangement

#25

20100231039

2010-09-16

Device for the ignition and the start-up of silicon rods

#26

20100002476

2010-01-07

Compact and lightweight power converter for high power comsumption loads

#27

20090058351

2009-03-05

Control method and system

#28

20090008997

2009-01-08

Voltage regulation device

#29

20080297089

2008-12-04

Method for operating a two-phase rotary current controller

#30

20070296390

2007-12-27

Method and apparatus for regulating voltage

#31

20060250116

2006-11-09

Generator with dual cycloconverter for 120/240 VAC operation

#32

20060034110

2006-02-16

Constant voltage control apparatus capable of reducing feedback lines

#33

20050248969

2005-11-10

Method for improving the operation of a matrix converter

#34

14883915

2017-03-07

Control of balance of arm capacitor voltages in STATCOMS based on chain links of H bridge modules