split-phase motor

split-phase motor

[′split ¦fāz ′mōd·ər]
(electricity)
A single-phase induction motor having an auxiliary winding connected in parallel with the main winding, but displaced in magnetic position from the main winding so as to produce the required rotating magnetic field for starting; the auxiliary circuit is generally opened when the motor has attained a predetermined speed.
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Today, almost every manufacturer uses a split-phase motor for aboveground pools.