Six pole/eight pole single-phase motor

Details Six pole/eight pole single-phase motor Six pole/eight pole single-phase motor

1983-04-11

1984-07-31

Rubinson, G. Z.

Electricity: motive power systems

Induction motor systems

Primary circuit control

310184, H02P 748

Patent

active

044633033

ABSTRACT:
A single phase alternating current electric motor is provided with a main stator winding having two coil groups which are connected to form eight poles for eight-pole operation and to form six poles for six-pole operation. Each group contains four series connected coil elements with each element spanning approximately one-seventh of the periphery of the machine. The coil groups are spaced 180 mechanical degrees apart such that each end coil of one group overlaps one of the end coils of the other group. An auxiliary stator winding having two coil groups with the same relative angular displacement as the main stator winding coil groups is included.

REFERENCES:
patent: 2820938 (1955-03-01), Davies
patent: 2896144 (1959-07-01), Mollenberg
patent: 3167700 (1965-01-01), Neyhouse
patent: 3233160 (1966-02-01), Rawcliffe
patent: 3619730 (1971-11-01), Broadway
patent: 3619748 (1971-11-01), Eastham

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