Conversion of ac power input into dc power output Conversion of dc 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

H02M7/00Conversion of ac power input into dc power output Conversion of dc power input into ac power output

H02M7/003Constructional details H02M7/006using discharge tubes H02M7/02Conversion of ac power input into dc power output without possibility of reversal H02M7/04by static converters H02M7/043using transformers or inductors only H02M7/046using discharge tubes H02M7/06using discharge tubes without control electrode or semiconductor devices without control electrode H02M7/062Avoiding or suppressing excessive transient voltages or currents H02M7/064with several outputs H02M7/066particular circuits having a special characteristic H02M7/068mounted on a transformer H02M7/08arranged for operation in parallel H02M7/10arranged for operation in series H02M7/103Containing passive elements (capacitively coupled) which are ordered in cascade on one source H02M7/106With physical arrangement details H02M7/12using discharge tubes with control electrode or semiconductor devices with control electrode H02M7/125Avoiding or suppressing excessive transient voltages or currents H02M7/145using devices of a thyratron or thyristor type requiring extinguishing means H02M7/15using discharge tubes only H02M7/151with automatic control H02M7/153arranged for operation in parallel H02M7/155using semiconductor devices only H02M7/1552in a biphase or polyphase arrangement H02M7/1555with control circuit H02M7/1557with automatic control of the output voltage or current H02M7/162in a bridge configuration H02M7/1623with control circuit H02M7/1626with automatic control of the output voltage or current H02M7/17arranged for operation in parallel H02M7/19arranged for operation in series H02M7/21using devices of a triode or transistor type requiring continuous application of a control signal H02M7/213using discharge tubes only H02M7/217using semiconductor devices only H02M7/2173in a biphase or polyphase circuit arrangement H02M7/2176comprising a passive stage to generate a rectified sinusoidal voltage and a controlled switching element in series between such stage and the output H02M7/219in a bridge configuration H02M7/23arranged for operation in parallel H02M7/25arranged for operation in series H02M7/26using open-spark devices H02M7/28using electrolytic rectifiers H02M7/30by dynamic converters H02M7/32using mechanical contact-making and -breaking parts H02M7/34wherein the parts are rotating and collectors co-operate with brushes or rollers H02M7/36with electromagnetically-operated vibrating contacts H02M7/38using one or more sparking electrodes rotating over counterelectrodes H02M7/40by combination of static with dynamic converters by combination of dynamo-electric with other dynamic or static converters H02M7/42Conversion of dc power input into ac power output without possibility of reversal H02M7/44by static converters H02M7/445using discharge tubes H02M7/46using discharge tubes without control electrode or semiconductor devices without control electrode H02M7/48using discharge tubes with control electrode or semiconductor devices with control electrode H02M7/4807having a high frequency intermediate AC stage H02M7/4826operating from a resonant DC source, i.e. the DC input voltage varies periodically H02M7/483Converters with outputs that each can have more than two voltages levels H02M7/487Neutral point clamped inverters H02M7/49Combination of the output voltage waveforms of a plurality of converters H02M7/493the static converters being arranged for operation in parallel H02M7/497sinusoidal output voltages being obtained by combination of several voltages being out of phase H02M7/501sinusoidal output voltages being obtained by the combination of several pulse-voltages having different amplitude and width H02M7/505using devices of a thyratron or thyristor type requiring extinguishing means H02M7/51using discharge tubes only H02M7/515using semiconductor devices only H02M7/5152with separate extinguishing means H02M7/5155wherein each commutation element has its own extinguishing means H02M7/5157wherein the extinguishing of every commutation element will be obtained by means of a commutation inductance, by starting another main commutation element in series with the first H02M7/516Self-oscillating arrangements H02M7/517with special starting equipment H02M7/519in a push-pull configuration H02M7/521in a bridge configuration H02M7/523with LC-resonance circuit in the main circuit H02M7/5233the commutation elements being in a push-pull arrangement H02M7/5236in a series push-pull arrangement H02M7/525with automatic control of output waveform or frequency H02M7/527by pulse width modulation H02M7/529using digital control H02M7/53using devices of a triode or transistor type requiring continuous application of a control signal H02M7/533using discharge tubes only H02M7/537using semiconductor devices only H02M7/5375with special starting equipment H02M7/538in a push-pull configuration H02M7/53803with automatic control of output voltage or current H02M7/53806in a push-pull configuration of the parallel type H02M7/5381Parallel type H02M7/5383in a self-oscillating arrangement H02M7/53832in a push-pull arrangement H02M7/53835of the parallel type H02M7/53838using a single commutation path H02M7/53846Control circuits H02M7/538463for thyristor type converters H02M7/538466for transistor type converters H02M7/53854using thyristor type converters H02M7/53862using transistor type converters H02M7/5387in a bridge configuration H02M7/53871with automatic control of output voltage or current H02M7/53873with digital control H02M7/53875with analogue control of three-phase output H02M7/5388with asymmetrical configuration of switches H02M7/539with automatic control of output wave form or frequency H02M7/5395by pulse-width modulation H02M7/54by dynamic converters H02M7/56using mechanical parts to select progressively, or to vary continuously, the input potential H02M7/58using mechanical contact-making and -breaking parts to interrupt a single potential H02M7/60wherein the parts are rotating and collectors co-operate with brushes or rollers H02M7/62with electromagnetically-operated vibrating contacts H02M7/64by combination of static with dynamic converters by combination of dynamo-electric with other dynamic or static converters H02M7/66with possibility of reversal H02M7/68by static converters H02M7/70using discharge tubes without control electrode or semiconductor devices without control electrode H02M7/72using discharge tubes with control electrode or semiconductor devices with control electrode H02M7/75using devices of a thyratron or thyristor type requiring extinguishing means H02M7/753using discharge tubes only H02M7/757using semiconductor devices only H02M7/7575for high voltage direct transmission link H02M7/758with automatic control of output waveform or frequency H02M7/77arranged for operation in parallel H02M7/79using devices of a triode or transistor type requiring continuous application of a control signal H02M7/793using discharge tubes only H02M7/797using semiconductor devices only H02M7/81arranged for operation in parallel H02M7/82using open-spark devices H02M7/84using electrolytic rectifiers H02M7/86by dynamic converters H02M7/88using mechanical parts to select progressively or to vary continuously the input potential H02M7/90using mechanical contact-making and -breaking parts to interrupt a single potential H02M7/92wherein the parts are rotating and collectors co-operate with brushes or rollers H02M7/94wherein the parts are operated by rotating cams or cam-like devices H02M7/95with electromagnetically-operated vibrating contacts H02M7/96with moving liquid contacts H02M7/98by combination of static with dynamic converters by combination of dynamo-electric with other dynamic or static converters