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why most of the induction motors are delta connected?
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Answer Posted / mukund apte. ( 91 9724397177
If we consider the following
(i) KW of Star motor & Delta motor are same.
(ii) Load on both motors are same.
(iii)rpm of both motors are same.
(iv)PF of both motors are same.
(v) both motors are working at same ambient temp.
(vi)And power supply is without hamonics.
THEN HEATING IN BOTH THE MOTORS WOULD BE EQUAL.
Note:- If power supply contains 3rd harmonics,then Delta connected motor would run hoter.
Practically this has been verified.
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