I have a problem for design and improvement.
A 3-phase Induction motor, 8-poles, 60-Hz, 440V operated in a V/F mode,
The stator resistance is 0.14 ohms, Assume that operation is at rated
frequency and voltage to deliver Maximum Torque of 1000N-m, and that
the rotor resistance is 0.21 ohms.
1) How to find the leakage inductance of the motor's equivalent circuit?
2)How to calulate the minimum frequency which still allows the motor to
reach maximum torque?
Friends please give your valuable guidance to workout this problem and If
possible please suggest me some formula to arrive at the minimum frequency in the part of the problem, I have already referred some of
the books, still unable to solve the problem. Your valuable suggestion
is highly appreciated.
thanks and best regards
V / F Control Of Three Phase Induction Motor
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