(0)H02M:2/2:

IPC6

SECTION H - ELECTRICITY

APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND...

H02M

3/3

H02M007/00 - H02M009/06

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

•

Conversion of ac power input into dc power output without possibility of reversal

•

by static converters

•

using discharge tubes without control electrode or semiconductor devices without control electrode

•

arranged for operation in parallel

•

arranged for operation in series, e.g. for multiplication of voltage

•

using discharge tubes with control electrode or semiconductor devices with control electrode

145

•

using devices of a thyratron or thyristor type requiring extinguishing means [2,4]

•

using discharge tubes only [2]

155

•

using semiconductor devices only [2]

162

•

in a bridge configuration [4]

•

arranged for operation in parallel [2,4]

•

arranged for operation in series, e.g. for voltage multiplication [2,4]

•

using devices of a triode or transistor type requiring continuous application of a control signal [2,4]

213

•

using discharge tubes only [2]

217

•

using semiconductor devices only [2]

219

•

in a bridge configuration [4]

•

arranged for operation in parallel [2,4]

•

arranged for operation in series, e.g. for multiplication of voltage [2,4]

•

using open-spark devices, e.g. Marx rectifier

•

using electrolytic rectifiers

•

by dynamic converters

•

using mechanical contact-making and -breaking parts

•

wherein the parts are rotating and collectors co-operate with brushes or rollers

•

with electromagnetically-operated vibrating contacts, e.g. chopper (self-interrupters in general H 01 H 51/34)

•

using one or more sparking electrodes rotating over counterelectrodes

•

by combination of static with dynamic converters; by combination of dynamo-electric with other dynamic or static converters

•

Conversion of dc power input into ac power output without possibility of reversal

•

by static converters

•

using discharge tubes without control electrode or semiconductor devices without control electrode

•

using discharge tubes with control electrode or semiconductor devices with control electrode

505

•

using devices of a thyratron or thyristor type requiring extinguishing means [2]

•

using discharge tubes only [2]

515

•

using semiconductor devices only [2]

517

•

with special starting equipment [4]

519

•

in a push-pull configuration (H 02 M 7/517 takes precedence) [4]

521

•

in a bridge configuration [4]

523

•

with LC-resonance circuit in the main circuit [4]

525

•

with automatic control of output waveform or frequency (H 02 M 7/517 to H 02 M 7/523 take precedence) [4]

527

•

by pulse width modulation [4]

529

•

using digital control [4]

•

using devices of a triode or transistor type requiring continuous application of a control signal [2]

533

•

using discharge tubes only [2]

537

•

using semiconductor devices only [2]

5375

•

with special starting equipment [4]

538

•

in a push-pull configuration (H 02 M 7/5375 takes precedence) [4]

5383

•

in a self-oscillating arrangement (H 02 M 7/538 takes precedence) [4]

5387

•

in a bridge configuration [4]

539

•

with automatic control of output wave form or frequency (H 02 M 7/5375 to H 02 M 7/5387 take precedence) [4]

5395

•

by pulse-width modulation [4]

•

by dynamic converters

•

using mechanical parts to select progressively, or to vary continuously, the input potential

•

using mechanical contact-making and -breaking parts to interrupt a single potential

•

wherein the parts are rotating and collectors co-operate with brushes or rollers

•

with electromagnetically-operated vibrating contacts, e.g. chopper (self-interrupters in general H 01 H 51/34)

•

by combination of static with dynamic converters; by combination of dynamo-electric with other dynamic or static converters

•

with possibility of reversal

•

by static converters

•

using discharge tubes without control electrode or semiconductor devices without control electrode

•

using discharge tubes with control electrode or semiconductor devices with control electrode

•

using devices of a thyratron or thyristor type requiring extinguishing means (H 02 M 7/77 takes precedence) [2]

753

•

using discharge tubes only [2]

757

•

using semiconductor devices only [2]

758

•

with automatic control of output waveform or frequency [4]

•

arranged for operation in parallel [2]

•

using devices of a triode or transistor type requiring continuous application of a control signal (H 02 M 7/81 takes precedence) [2]

793

•

using discharge tubes only [2]

797

•

using semiconductor devices only [2]

•

arranged for operation in parallel [2]

•

using open-spark devices, e.g. Marx rectifier

•

using electrolytic rectifiers

•

by dynamic converters

•

using mechanical parts to select progressively or to vary continuously the input potential

•

using mechanical contact-making and -breaking parts to interrupt a single potential

•

wherein the parts are rotating and collectors co-operate with brushes or rollers

•

wherein the parts are operated by rotating cams or cam-like devices

•

with electromagnetically-operated vibrating contacts, e.g. chopper (self-interrupters in general H 01 H 51/34)

•

with moving liquid contacts

•

by combination of static with dynamic converters; by combination of dynamo-electric with other dynamic or static converters

Conversion of dc or ac input power into surge output power [2]

•

with dc input power [2]

•

using capacitative stores [2]

•

with ac input power [2]

Power conversion systems not covered by the preceding groups [4]