Note(s) This sub-class covers ac or dc mains or distribution networks and also deals with circuit arrangements for battery supplies, including charging or control thereof, or co-ordinated supply from two or more sources of any kind. This sub-class also covers systems for supplying or distributing electric power by electromagnetic waves. Control of a single motor, generator or converter of the types covered by sub-classes Fulltext... Hierarchy... Expanded...H01F, Fulltext... Hierarchy... Expanded...H02K, and Fulltext... Hierarchy... Expanded...H02M, is dealt with in sub-class Fulltext... Hierarchy... Expanded...H02P; control of a single motor or generator, of the types covered by sub-class Fulltext... Hierarchy... Expanded...H02N, is dealt with in that sub-class. |