H02 GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Description
H02 encompasses the generation, conversion, and distribution of electrical power across all voltage and power levels, from large-scale utility systems to localized power supplies. This broad class covers technologies such as dynamo-electric machines (generators and motors), transformers, rectifiers, power converters, switchgear, distribution networks, and associated control systems. It includes both conventional power generation methods (fossil fuels, hydroelectric, nuclear) and renewable energy sources (solar, wind, geothermal), as well as energy storage and power quality management devices. Adjacent classes H01 (basic electrical components) and H04 (electric communication techniques) address component-level technologies and signal transmission respectively, whereas H02 focuses on bulk power handling and system-level architecture.
Title
Titles differ between systems:
IPC: GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
CPC: GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Full Title
Full titles differ between systems:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
IPC and CPC are identically structured here. All 9 subcodes exist in both systems.
4 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H02B BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER heading IPC+CPC Available in IPC and CPC
- H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES heading +1 CPC IPC+CPC Available in IPC and CPC
- H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS (indicating or signalling undesired working conditions G01R, e.g. G01R31/00, G08B; locating faults along lines G01R31/08; emergency protective devices H01H) heading IPC+CPC Available in IPC and CPC
- H02J ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY heading +5 CPC −4 IPC IPC+CPC Available in IPC and CPC
- H02K DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power ) heading +8 CPC IPC+CPC Available in IPC and CPC
- H02M 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 (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P) heading −1 IPC IPC+CPC Available in IPC and CPC
- H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS heading +7 CPC −2 IPC IPC+CPC Available in IPC and CPC
- H02S GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00) heading since 2014 IPC+CPC Available in IPC and CPC