
(from the article `electric motor`) An alternative means of providing a rotating field for starting is to use two stator windings, as in the figure, where the auxiliary winding - is ...
Found on
http://www.britannica.com/eb/a-z/s/143

a single-phase induction motor with an auxiliary circuit which is connected in parallel with the main winding, including an auxiliary winding displaced in magnetic position from the main winding, a phase displacement between the currents in these two primary windings being arranged NOTE - Generally the auxiliary circuit is opened when the motor has...
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=411-33-13
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