IPC Subgroup
H02H 3/52 responsive to the appearance of harmonics
Introduced: January 1980
Last revised: January 2006
Full Title
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection > responsive to the appearance of abnormal wave forms, e.g. AC in DC installations > responsive to the appearance of harmonics
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS