The average load of a dairy plant at 11 kV, 50 Hz is 950 kW at 80 percent power factor but the maximum contract load of plant is 1200 kW. As per local electricity regulating authorities norms, consumer must keep the power factor of 95 percent to avoid any poor power factor penalty. Determine the following (i) Rating of capacitor bank (in kVAr) (ii) The capacitance of the capacitor bank (in micro Farad) (iii) Explain why the power factor becomes low and how the capacitor bank will assists to improve the power factor?

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 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...
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The average load of a dairy plant at 11 kV, 50 Hz is 950 kW at 80 percent power factor but the maximum contract load of plant is 1200 kW. As per local electricity regulating authorities norms, consumer must keep the power factor of 95 percent to avoid any poor power factor penalty. Determine the following (i) Rating of capacitor bank (in kVAr) (ii) The capacitance of the capacitor bank (in micro Farad) (iii) Explain why the power factor becomes low and how the capacitor bank will assists to improve the power factor?

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