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PCE
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CPC Subgroup
H02K 19/12

characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing

Full Title

Synchronous motors or generators (having permanent magnets H02K21/00) > Synchronous motors > for multi-phase current > characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing