1. The following circuit has three loads connected in parallel to a 1.0 kV RMS voltage source at a frequency of 60-Hz (single-phase). The data of the three loads are as follows: Load 1: Inductive, 125 kVA, 0.28 power factor (lagging) ● Load 2: Capacitive, 10 kW, 40 KVAR • Load 3: Resistive, 15 kW a. Determine the total active, reactive, and complex power of the total load. Show all calculations. b. Determine the power factor (PF) of the total load. Show all calculations. c. To improve the power factor, it is desired to connect a capacitive load (capacitor) in parallel with the three loads. Determine the capacitor capacitance (in microFarads) needed to increase the power factor to 0.8 lagging. Show all calculations. 1000 V 4₁ Load 1 12 Load 2 13 Load 3

1. The following circuit has three loads connected in parallel to a 1.0 kV RMS voltage source at a frequency of 60-Hz (single-phase). The data of the three loads are as follows: Load 1: Inductive, 125 kVA, 0.28 power factor (lagging) ● Load 2: Capacitive, 10 kW, 40 KVAR • Load 3: Resistive, 15 kW a. Determine the total active, reactive, and complex power of the total load. Show all calculations. b. Determine the power factor (PF) of the total load. Show all calculations. c. To improve the power factor, it is desired to connect a capacitive load (capacitor) in parallel with the three loads. Determine the capacitor capacitance (in microFarads) needed to increase the power factor to 0.8 lagging. Show all calculations. 1000 V 4₁ Load 1 12 Load 2 13 Load 3

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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