H02H 3/52 responsive to the appearance of harmonics
Introduced: January 1980
Full Title
Full titles differ between systems:
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
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection (specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00; systems for change-over to standby supply H02J9/00 ) > responsive to the appearance of abnormal wave forms, e.g. AC in DC installations > responsive to the appearance of harmonics
No child classifications to compare. This is a leaf node in both IPC and CPC.