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In a synchronous motor armature current flows due to
revolving flux which in turn rotates the load,but in no
load condition armature current is zero hence thr is no
revolving flux then how motor rotates?
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Answer Posted / joy
Even on no load condition, the stator is connected
to 3ph ac supply. This 3ph ac supply produces a
rotating magnetic field, which links with the
rotor. Since the rotor was in a rotating condition
it continues to rotate as long as there is presence
of rotating stator flux. The rotor and stator flux
are synchronously locked with each other even on no
load condition.
| Is This Answer Correct ? | 3 Yes | 1 No |
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