DIFF Subgroup
H02J 3/001 Arrangements for handling faults or abnormalities, e.g. emergencies or contingencies
Introduced: January 2026
Full Title
Circuit arrangements for AC mains or AC distribution networks > Arrangements for handling faults or abnormalities, e.g. emergencies or contingencies
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2026.
Child Classifications
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- H02J 3/0012 characterised by the contingency detection means in AC networks, e.g. using phasor measurement units [PMU], synchrophasors or contingency analysis since 2026 IPC+CPC Available in IPC and CPC
- H02J 3/0014 for preventing or reducing power oscillations in networks since 2026 +2 CPC IPC+CPC Available in IPC and CPC