Conversion of ac power input into ac power output

Industry

  • CPC
  • H02M5/00
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Sub Industries

H02M5/005using discharge tubes H02M5/02without intermediate conversion into dc H02M5/04by static converters H02M5/06using impedances H02M5/08using capacitors only H02M5/10using transformers H02M5/12for conversion of voltage or current amplitude only H02M5/14for conversion between circuits of different phase number H02M5/16for conversion of frequency H02M5/18for conversion of waveform H02M5/20using discharge tubes without control electrode or semiconductor devices without control electrode H02M5/22using discharge tubes with control electrode or semiconductor devices with control electrode H02M5/225comprising two stages of AC-AC conversion H02M5/25using devices of a thyratron or thyristor type requiring extinguishing means H02M5/253using discharge tubes only H02M5/257using semiconductor devices only H02M5/2573with control circuit H02M5/2576with digital control H02M5/27for conversion of frequency H02M5/271from a three phase input voltage H02M5/272for variable speed constant frequency systems H02M5/273with digital control H02M5/275using devices of a triode or transistor type requiring continuous application of a control signal H02M5/29using discharge tubes only H02M5/293using semiconductor devices only H02M5/297for conversion of frequency H02M5/32by dynamic converters H02M5/34using mechanical contact-making and -breaking parts H02M5/36wherein the parts are rotating and collectors co-operate with brushes or rollers H02M5/38by combination of static with dynamic converters by combination of dynamo-electric with other dynamic or static converters H02M5/40with intermediate conversion into dc H02M5/42by static converters H02M5/44using discharge tubes or semiconductor devices to convert the intermediate dc into ac H02M5/443using devices of a thyratron or thyristor type requiring extinguishing means H02M5/447using discharge tubes only H02M5/45using semiconductor devices only H02M5/4505having a rectifier with controlled elements H02M5/451with automatic control of output voltage or frequency H02M5/452with automatic control of output waveform H02M5/453using devices of a triode or transistor type requiring continuous application of a control signal H02M5/456using discharge tubes only H02M5/458using semiconductor devices only H02M5/4585having a rectifier with controlled elements H02M5/46by dynamic converters H02M5/48by combination of static with dynamic converters by combination of dynamo-electric with other dynamic or static converters