Three-phase induction motor

Details Three-phase induction motor Three-phase induction motor

1987-01-06

1988-07-05

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310184, 310198, H02K 1700

Patent

active

047557028

ABSTRACT:
A three-phase induction motor includes winding slots and a stator winding. The number of winding slots per pole per phase is a noninteger. The stator winding is a three-phase balanced winding. A pitch s of the winding satisfies s=(r-t)/r or s=r/(r+t) (where t is an odd number and r is the order of a harmonic wave to be suppressed).

REFERENCES:
Liwschitz-Garik, Winding Alternating-Current Machines, 1950, Van Nostrand, pp. 264, 265, 321, 322, 373, 371.

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