In 3 phase induction motor even with low Voltage it reaches
nearly it's rated speed why? (for example instead of 400V it
reaches with 250V)
Answers were Sorted based on User's Feedback
With an induction motor the speed is dependant on the
frequency and is the same as the frequency minus slip. For
a 4 pole motor this is about 1440 to 1460 RPM.
It does not depend on the voltage. The torque is dependant
on the voltage.
A 400 volt motor supplied at 250 volts would not have
anywhere the power output.
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