A substation rated 1250 kVA is operating at full-load at 0.8 pf lagging and to carry an additional load of 170 kW at 0.85 pf lagging. With the mentioned power factor, the substation is experiencing inefficient electrical system: high power losses, high voltage drops in the electrical equipment, and high electricity bill. To reduce power losses and to reduce the electricity bill, power factor correction is to be of high importance and consideration. Find:power phasor diagram.computation of the following:additional substation capacity in KVAshunt capacitor KVA.Which alternative is more economical if cost/kVA of additional substation capacity is $400.00 and the cost/kVA of shunt capacitor is $180? A substation rated 1250 kVA is operating at full-load at 0.8 pf lagging and to carry an additionalload of 170 kW at 0.85 pf lagging. With the mentioned power factor, the substation is experiencinginefficient electrical system: high power losses, high voltage drops in the electrical equipment,and high electricity bill. To reduce power losses and to reduce the electricity bill, power factorcorrection is to be of high importance and consideration.Find:●power phasor diagram.●computation of the following:Oadditional substation capacity in KVAshunt capacitor KVA.Which alternative is more economical if cost/kVA of additional substationcapacity is $400.00 and the cost/kVA of shunt capacitor is $180?

A substation is a place included in the electrical power generation system where electrical voltage…

Answered: A substation rated 1250 kVA is…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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A substation rated 1250 kVA is operating at full-load at 0.8 pf lagging and to carry an additional load of 170 kW at 0.85 pf lagging. With the mentioned power factor, the substation is experiencing inefficient electrical system: high power losses, high voltage drops in the electrical equipment, and high electricity bill. To reduce power losses and to reduce the electricity bill, power factor correction is to be of high importance and consideration.

Find:

power phasor diagram.
computation of the following:
- additional substation capacity in KVA
- shunt capacitor KVA.
- Which alternative is more economical if cost/kVA of additional substation capacity is $400.00 and the cost/kVA of shunt capacitor is $180?

A substation rated 1250 kVA is operating at full-load at 0.8 pf lagging and to carry an additional
load of 170 kW at 0.85 pf lagging. With the mentioned power factor, the substation is experiencing
inefficient electrical system: high power losses, high voltage drops in the electrical equipment,
and high electricity bill. To reduce power losses and to reduce the electricity bill, power factor
correction is to be of high importance and consideration.
Find:
●
power phasor diagram.
●
computation of the following:
O
additional substation capacity in KVA
shunt capacitor KVA.
Which alternative is more economical if cost/kVA of additional substation
capacity is $400.00 and the cost/kVA of shunt capacitor is $180?

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