Three-phase induction motor

Details Three-phase induction motor Three-phase induction motor

1981-09-09

1983-07-19

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310198, H02K 300

Patent

active

043945961

ABSTRACT:
A rotating electric machine provided with coils of various phases constituting 3-phase armature winding which are divided into first and second groups or circuits. A first circuit formed of selected sub-groups of coils of various phases is energized at the start of the electric rotating machine. A second circuit is formed of the remaining coils of various phases which are so connected as to generate an induced electromotive force having an equal magnitude to that which is produced in the first circuit. Said second circuit is connected in parallel with the first circuit to be energized at the full drive of the rotating electric machine.

REFERENCES:
patent: 2046992 (1936-07-01), Alger
patent: 3515922 (1970-06-01), Fong
patent: 4095161 (1978-06-01), Heine et al.
patent: 4138619 (1979-02-01), Broadway et al.
patent: 4315171 (1982-02-01), Schaeffer
American Institute of Electrical Engineers, pp. 1248-1254, Ten Part-Winding Arrangements in Sample 4-Pole Induction Motor, J. J. Courtin, Dec. 1955.
American Institute of Electrical Engineers, pp. 1455-1463, A New Method for Part-Winding Starting of Polyphase Motor, P. L. Alger, Lorraine M. Agacinsky, Feb. 1955.

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