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Given the above approximate equivalent circuit for a 440VLL, 60 Hz, 3-phase, 1728 rpm, wye- connected, 30 hp induction motor operating at rated voltage, calculate the following: (d) The motor locked-rotor (starting) torque, line current and power factor. (e) The motor breakdown torque, line current and power factor.

Given the above approximate equivalent circuit for a 440VLL, 60 Hz, 3-phase, 1728 rpm, wye- connected, 30 hp induction motor operating at rated voltage, calculate the following: (d) The motor locked-rotor (starting) torque, line current and power factor. (e) The motor breakdown torque, line current and power factor.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Is 0.22 1.8Q IR IM 0.32 Vs(LN) 250 2 40 Ω Given the above approximate equivalent circuit for a 440VLL, 60 Hz, 3-phase, 1728 rpm, wye- connected, 30 hp induction motor operating at rated voltage, calculate the following: (d) The motor locked-rotor (starting) torque, line current and power factor. (e) The motor breakdown torque, line current and power factor.
Transcribed Image Text:Is 0.22 1.8Q IR IM 0.32 Vs(LN) 250 2 40 Ω Given the above approximate equivalent circuit for a 440VLL, 60 Hz, 3-phase, 1728 rpm, wye- connected, 30 hp induction motor operating at rated voltage, calculate the following: (d) The motor locked-rotor (starting) torque, line current and power factor. (e) The motor breakdown torque, line current and power factor.
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