A 75 kW, 3000 V, 8 pole, 50 Hz, 3-phase, star connected slip ring induction motor has the following data: Stator bore = 0.66 m; stator core length = 0.50 m; number of stator slots = 96; number of rotor slots = 72; number of stator turns per phase = 286; total specific permeance due to stator slots = 4.9 µ; no load current per phase 6.1 A; no load power factor = 0.095; harmonic leakage reactance per phase = 0.9 Ω. Estimate the total standstill leakage reactance of motor referred to stator. The winding employs full pitch coil.

A 75 kW, 3000 V, 8 pole, 50 Hz, 3-phase, star connected slip ring induction motor has the following data: Stator bore = 0.66 m; stator core length = 0.50 m; number of stator slots = 96; number of rotor slots = 72; number of stator turns per phase = 286; total specific permeance due to stator slots = 4.9 µ; no load current per phase 6.1 A; no load power factor = 0.095; harmonic leakage reactance per phase = 0.9 Ω. Estimate the total standstill leakage reactance of motor referred to stator. The winding employs full pitch coil.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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