Why motor with single phase is more heated than three phase?
Answers
>>Single phase induction motor requires capacitor for high torque.
>>Since it is a single phase it draws high current than the three phase induction motors.
>>So copper loss will be high and efficiency is low
>>Compared to single phase, a 3 phase power arrangement provides 1.732 (the square root of 3) times more power with the same current and provides (7) power circuits.
>>Most US industrial facilities use a 3 Phase 4 Wire 480Y/277V power arrangement because of its power density.
>>Three-phase motors also vibrate less and hence last longer than single-phase motors of the same power used under the same conditions.
>>Resistance heating loads such as electric boilers or space heating may be connected to three-phase systems.
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