A 4.16 kV, 3-ph industrial plant bus is supplied from the utility mains. Connected to the 4.16 kV plant bus are the following three-phase loads: 1. 2. A 1750 hp induction motor bank operating at 80% full-load, 0.86 pf lagging and 94% efficiency .A 1000 hp synchronous motor operating at 65% full-load and 93% efficiency. The synchronous motor has negligible armature resistance and synchronous reactance of 3002/phase Questions: a. Draw a single-line schematic diagram to illustrate the scenario described above. Show all P and Q flows. Determine the real and reactive power of the induction motor Determine the apparent power and power factor of the synchronous motor if it is overexcited to correct the overall plant power factor to 0.97 lagging. Show all work. b. c.

A 4.16 kV, 3-ph industrial plant bus is supplied from the utility mains. Connected to the 4.16 kV plant bus are the following three-phase loads: 1. 2. A 1750 hp induction motor bank operating at 80% full-load, 0.86 pf lagging and 94% efficiency .A 1000 hp synchronous motor operating at 65% full-load and 93% efficiency. The synchronous motor has negligible armature resistance and synchronous reactance of 3002/phase Questions: a. Draw a single-line schematic diagram to illustrate the scenario described above. Show all P and Q flows. Determine the real and reactive power of the induction motor Determine the apparent power and power factor of the synchronous motor if it is overexcited to correct the overall plant power factor to 0.97 lagging. Show all work. b. c.

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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