1. A 3000 V, 24-pole, 50 Hz, 3-phase, star-connected induction motorhas a slip-ring rotorofresistanceat a speed of 247 r.p.m.torqueis obtained0-016 2 and standstill reactance 0-265 92 per phase. Full-loadCalculate (i) the ratio of maximum to full-load torque (ii) the speed at maximum torque.impedance.(i) 2-61 (ii) 235 r.p.m.]Neglect stator

Formula to calculate ratio of maximum torque to full load torque is: TmaxTf=Sm2+Sf22Sf×Smwhere,Sm…

1. A 3000 V, 24-pole, 50 Hz, 3-phase, star-connected induction motor has a slip-ring rotor of resistance torque is obtained at a speed of 247 r.p.m. 0-0162 and standstill reactance 0-265 2 per phase. Full-load Calculate (i) the ratio of maximum to full-load torque (ii) the speed at maximum torque. impedance. [(i) 2-61 (ii) 235 r.p.m.] Neglect stator

1. A 3000 V, 24-pole, 50 Hz, 3-phase, star-connected induction motor has a slip-ring rotor of resistance torque is obtained at a speed of 247 r.p.m. 0-0162 and standstill reactance 0-265 2 per phase. Full-load Calculate (i) the ratio of maximum to full-load torque (ii) the speed at maximum torque. impedance. [(i) 2-61 (ii) 235 r.p.m.] Neglect stator

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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