CPC Subgroup
H02P 27/02 using supply voltage with constant frequency and variable amplitude
Full Title
Arrangements or methods for the control of AC motors characterised by the kind of supply voltage (of two or more motors H02P5/00; of synchronous motors with electronic commutators H02P6/00; of DC motors H02P7/00; of stepping motors H02P8/00) > using supply voltage with constant frequency and variable amplitude
2 direct subcodes
Child Classifications
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- H02P 27/024 using AC supply for only the rotor circuit or only the stator circuit