IPC Subgroup
H02J 3/34 Arrangements for transfer of electric power between networks of substantially different frequency
Introduced: September 1968
Last revised: January 2026
Full Title
Circuit arrangements for AC mains or AC distribution networks > Arrangements for transfer of electric power between networks of substantially different frequency
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY