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Problem 11.6: Determine the capacitor rating in KVAR and also in farad to improve the load pf from 0.75 lagging to 0.95 lagging at a 3-phase, 60 Hz, 480 V distribution point delivering 2400 kW real power. Also determine the simple payback period for the capacitor cost. Assume that the motor runs for 400 hours per month, the utility demand charge is $15 per kVA, energy charge is $0.15 per kWh, capacitor cost is $70 per KVAR installed, and cable power loss is 1% per phase.

Problem 11.6: Determine the capacitor rating in KVAR and also in farad to improve the load pf from 0.75 lagging to 0.95 lagging at a 3-phase, 60 Hz, 480 V distribution point delivering 2400 kW real power. Also determine the simple payback period for the capacitor cost. Assume that the motor runs for 400 hours per month, the utility demand charge is $15 per kVA, energy charge is $0.15 per kWh, capacitor cost is $70 per KVAR installed, and cable power loss is 1% per phase.

Introductory Circuit Analysis (13th Edition)
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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Problem 11.6: Determine the capacitor rating in kVAR and also in farad to improve the load pf from 0.75 lagging to 0.95 lagging at a 3-phase, 60 Hz, 480 V distribution point delivering 2400 kW real power. Also determine the simple payback period for the capacitor cost. Assume that the motor runs for 400 hours per month, the utility demand charge is $15 per kVA, energy charge is $0.15 per kWh, capacitor cost is $70 per kVAR installed, and cable power loss is 1% per phase.
Transcribed Image Text:Problem 11.6: Determine the capacitor rating in kVAR and also in farad to improve the load pf from 0.75 lagging to 0.95 lagging at a 3-phase, 60 Hz, 480 V distribution point delivering 2400 kW real power. Also determine the simple payback period for the capacitor cost. Assume that the motor runs for 400 hours per month, the utility demand charge is $15 per kVA, energy charge is $0.15 per kWh, capacitor cost is $70 per kVAR installed, and cable power loss is 1% per phase.
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