CPC Main Group
H02P 13/00 Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
4 direct subcodes
Child Classifications
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- H02P 13/06 by tap-changing; by rearranging interconnections of windings
- H02P 13/08 by sliding current collector along winding
- H02P 13/10 by moving core, coil winding, or shield, e.g. by induction regulator
- H02P 13/12 by varying magnetic bias