IPC 7 English version H02M 7/00-H02M 11/00

IPC ⁷ English version

H02M - H02M 5/48

H02M00700-H02M01100

SECTION H – ELECTRICITY

H 02

GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER

H 02 M

APPARATUS 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 (conversion of current or voltage specially adapted for use in electronic time-pieces with no moving parts G04G 19/02; systems for regulating electric or magnetic variables in general, e.g. using transformers, reactors or choke coils, combination of such systems with static converters G05F; for digital computers G06F 1/00; transformers H01F; connection or control of one converter with regard to conjoint operation with a similar or other source of supply H02J; dynamo-electric converters H02K 47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P; pulse generators H03K) [4,5]

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 H01H 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 (H02M 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 (H02M 7/517 to H02M 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 (H02M 7/5375 takes precedence) [4]

5383

in a self-oscillating arrangement (H02M 7/538 takes precedence) [4]

5387

in a bridge configuration [4]

539

with automatic control of output wave form or frequency (H02M 7/5375 to H02M 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 H01H 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 (H02M 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 (H02M 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 H01H 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]

11/

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

H02M - H02M 5/48