Conversion of ac power input into ac power output

HELECTRICITY H02Electric power H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER CONTROL OR REGULATION THEREOF

H02M5/00Conversion of ac power input into ac power output

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