An industrial plant consisting primarily of induction motor loads absorbs (500 mathrm{~kW}) at 0.6 power factor lagging.
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An industrial plant consisting primarily of induction motor loads absorbs \(500 \mathrm{~kW}\) at 0.6 power factor lagging.
(a) Compute the required \(\mathrm{kVA}\) rating of a shunt capacitor to improve the power factor to 0.9 lagging.
(b) Calculate the resulting power factor if a synchronous motor rated at \(500 \mathrm{hp}\) with \(90 \%\) efficiency operating at rated load and at unity power factor is added to the plant instead of the capacitor. Assume constant voltage ( \(1 \mathrm{hp}=0.746 \mathrm{~kW})\).
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Related Book For
Power System Analysis And Design
ISBN: 9781305632134
6th Edition
Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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