(b) An industrial load is supplied through a transmission line that has a line impedance of 0.1 + j0.2 Q. The 60 Hz power line voltage at the load is 480 V (rms). The load absorbs 124 kW at a lagging power factor, pf of 0.75. (i) Calculate the total reactive power, Qı and apparent power, Si when pf is 0.75. Calculate the total reactive power, Q2 and apparent power, S2 when pf is raised to 0.9. (ii) (iii) Find the value of capacitance, C when placed in parallel with the load that will raise the pf to 0.9 lagging. (iv) Sketch a diagram of power triangle with complete labels that describes power
(b) An industrial load is supplied through a transmission line that has a line impedance of 0.1 + j0.2 Q. The 60 Hz power line voltage at the load is 480 V (rms). The load absorbs 124 kW at a lagging power factor, pf of 0.75. (i) Calculate the total reactive power, Qı and apparent power, Si when pf is 0.75. Calculate the total reactive power, Q2 and apparent power, S2 when pf is raised to 0.9. (ii) (iii) Find the value of capacitance, C when placed in parallel with the load that will raise the pf to 0.9 lagging. (iv) Sketch a diagram of power triangle with complete labels that describes power
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 2.27P: An industrial load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8...
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