(c)A large industrial plant receives 3-phase electric power from the local utility.The following loads are being fed in the plant at 11.0 kV:(i)(ii)1.2 +j 1.2 MVA2.0 MW at 0.8 (lag) power factor800 kW of pure heating and lighting (negligible reactive power) loadA number of induction motors: total power output of 3,000 HP, with acomposite efficiency of 0.85 and power factor of 0.88 (lag)Analyse the total active power, reactive power and apparent powerCompute the overall (composite) load power factor and the full loadcurrent(iii) Plan the capacitive VAR requirements for the capacitor bank if theoverall plant power factor is to be improved to 0.95 lag(iv) Draw the simplified one-line diagram and the phasor diagram (powertriangle)

A large industrial plant receives 3-phase electric power from the local utility. The following loads are being fed in the plant at 11.0 kV: 1.2 +j 1.2 MVA 2.0 MW at 0.8 (lag) power factor 800 kW of pure heating and lighting (negligible reactive power) load A number of induction motors: total power output of 3,000 HP, with a composite efficiency of 0.85 and power factor of 0.88 (lag) (i) Analyse the total active power, reactive power and apparent power (ii) Compute the overall (composite) load power factor and the full load current

A large industrial plant receives 3-phase electric power from the local utility. The following loads are being fed in the plant at 11.0 kV: 1.2 +j 1.2 MVA 2.0 MW at 0.8 (lag) power factor 800 kW of pure heating and lighting (negligible reactive power) load A number of induction motors: total power output of 3,000 HP, with a composite efficiency of 0.85 and power factor of 0.88 (lag) (i) Analyse the total active power, reactive power and apparent power (ii) Compute the overall (composite) load power factor and the full load current

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 2.24P: A source supplies power to the following three loads connected in parallel: (1) a lighting load...

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