QI. Power and Power Factor Correction A factory has the following five major loads: Load 1: A motor rated at 4 Hp,0.85 pf lagging ( 1 hp = 0.7457kW) Load 2: A heater rated 3 kW at unity power factor Load 3: A synchronous motor rated at 3kVar, 0.85 pf leading Load 4: Thirtyty - 100-W lightbulbs Load 5: A motor rated 2.5 Hp at 0.85 pf leading a) Calculate the total real, reactive and apparent power. b) Find the overall power factor. c) the Kvar rating and capacitance required to improve the power factor to unity. d.) the current drawn from the supply under the new power factor conditions.

QI. Power and Power Factor Correction A factory has the following five major loads: Load 1: A motor rated at 4 Hp,0.85 pf lagging ( 1 hp = 0.7457kW) Load 2: A heater rated 3 kW at unity power factor Load 3: A synchronous motor rated at 3kVar, 0.85 pf leading Load 4: Thirtyty - 100-W lightbulbs Load 5: A motor rated 2.5 Hp at 0.85 pf leading a) Calculate the total real, reactive and apparent power. b) Find the overall power factor. c) the Kvar rating and capacitance required to improve the power factor to unity. d.) the current drawn from the supply under the new power factor conditions.

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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