7.17A single-phase, 400 V, 60 Hz, series motor has the following standstill impedance at 60 Hz.Z₁ = 1.6+j10.0(a) DC supply: The motor is connected to a 400 V de supply and rotates at 2000 rpm whenloaded to draw a current of 20 A. Neglect rotational loss. Determine(i) The mechanical power developed.(ii) The efficiency.(b) AC supply: The motor is connected to a 10, 400 V, 60 Hz supply and loaded to draw a currentof 20 A. Determine(i) The speed of the motor.(ii) The supply power factor.(iii) The mechanical power developed.(iv) The efficiency.(v) The starting torque. (Assume magnetic linearity.)

Answered: 7.17 A single-phase, 400 V, 60 Hz,…

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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