Balance Three-phase supply 440 VAC line-to-line Industrial Shop Loads + proposed Capacitor Banks Balanced three-phase load 100 KW 0.80 pf LAG Balanced Three-phase capacitor bank PROPOSED TO BE CONNECTED IMPROVED PF 0.98 LAG

Balance Three-phase supply 440 VAC line-to-line Industrial Shop Loads + proposed Capacitor Banks Balanced three-phase load 100 KW 0.80 pf LAG Balanced Three-phase capacitor bank PROPOSED TO BE CONNECTED IMPROVED PF 0.98 LAG

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.13MCQ

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Question

A small industrial shop is connected to a local utility power via a Three-phase supply of 440V line to line AC. Assume balanced system configuration, the shop has a total connected three phase load of 100KW at 0.80 power factor LAGGING.
To improve the power factor to 0.98 LAGGING , a three phase WYE connected capacitor bank will be connected in parallel to the three phase supply.

1. What is the total Reactive Power of the load prior to installation of capacitor bank (kVAR)?

2. Determine the needed THREE-PHASE KVAR rating of the capacitor bank in order to achieve the improved power factor .

Balance
Three-phase supply
440 VAC line-to-line
Industrial Shop Loads +
proposed Capacitor Banks
Balanced
three-phase load
100 KW
0.80 pf LAG
Balanced
Three-phase
capacitor bank
PROPOSED TO BE
CONNECTED
IMPROVED PF
0.98 LAG

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