The load at a certain factory consists of the following: 10 kW, pf = 0.6 lagging 15 kW, rf = 0.5 lagging 25 kVA, pf = 0.75 lagging 15 kVAR, pf = 0.8 lagging 22 kW 5 kVAR, pure inductance Total True Power = 85.75 kW Total Reactive Power = 58.5295 kVAr Total Apparent Power = 103.8208 KVA 1. The power factor is to be corrected to 0.95 lagging. If resistive heating units were used instead, determine the real power rating of these devices. Ans = 92.3222 2. The power factor is to be corrected to 0.95 lagging. If a synchronous motor is to be used instead, determine the real power rating of this motor if its
The load at a certain factory consists of the following: 10 kW, pf = 0.6 lagging 15 kW, rf = 0.5 lagging 25 kVA, pf = 0.75 lagging 15 kVAR, pf = 0.8 lagging 22 kW 5 kVAR, pure inductance Total True Power = 85.75 kW Total Reactive Power = 58.5295 kVAr Total Apparent Power = 103.8208 KVA 1. The power factor is to be corrected to 0.95 lagging. If resistive heating units were used instead, determine the real power rating of these devices. Ans = 92.3222 2. The power factor is to be corrected to 0.95 lagging. If a synchronous motor is to be used instead, determine the real power rating of this motor if its
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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The load at a certain factory consists of the following:
10 kW, pf = 0.6 lagging
15 kW, rf = 0.5 lagging
25 kVA, pf = 0.75 lagging
15 kVAR, pf = 0.8 lagging
22 kW
5 kVAR, pure inductance
Total True Power = 85.75 kW
Total Reactive Power = 58.5295 kVAr
Total Apparent Power = 103.8208 KVA
1. The power factor is to be corrected to 0.95 lagging. If resistive heating units were used instead, determine the real power rating of these devices. Ans = 92.3222
2. The power factor is to be corrected to 0.95 lagging. If a synchronous motor is to be used instead, determine the real power rating of this motor if its power factor is 0.6 leading. Ans = 18.257
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