A 150 KW, 3000V, 50HZ, 6-pole star-connected induction motor has a star-connected slip ring rotor with a transformation ratio of 3.6 (stator/rotor). The rotor resistance is 0.12 per phase and its per phase leakage inductance is 3.61 mH. The stator impedance may be neglected. Find the starting current on rated voltage with short-circuited slip rings. Ans [117.4A]

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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ISBN:9781337399128
Author:Russell E. Smith
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Chapter8: Basic Electric Motors
Section: Chapter Questions
Problem 28RQ: What are the advantages and disadvantages of using the following types of motors? shaded-pole...
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A 150 KW, 3000V, 50HZ, 6-pole star-connected induction motor has a star-connected slip
ring rotor with a transformation ratio of 3.6 (stator/rotor). The rotor resistance is 0.12 per
phase and its per phase leakage inductance is 3.61 mH. The stator impedance may be
neglected. Find the starting current on rated voltage with short-circuited slip rings.
Ans [117.4A]
Transcribed Image Text:A 150 KW, 3000V, 50HZ, 6-pole star-connected induction motor has a star-connected slip ring rotor with a transformation ratio of 3.6 (stator/rotor). The rotor resistance is 0.12 per phase and its per phase leakage inductance is 3.61 mH. The stator impedance may be neglected. Find the starting current on rated voltage with short-circuited slip rings. Ans [117.4A]
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