(b) Table Q1(b) tabulates the load for a medium size industry in Parit Raja. The loads are balanced over the three phase

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B Table Q1 B Tabulates The Load For A Medium Size Industry In Parit Raja The Loads Are Balanced Over The Three Phase 1 (12.74 KiB) Viewed 39 times

B Table Q1 B Tabulates The Load For A Medium Size Industry In Parit Raja The Loads Are Balanced Over The Three Phase 2 (14.08 KiB) Viewed 39 times

(b) Table Q1(b) tabulates the load for a medium size industry in Parit Raja. The loads are balanced over the three phases of 400 V supply system. Calculate: (i) The total apparent power. (13 marks) (ii) The overall power factor. (2 marks) (iii) The line current. (2 marks)
Table Q1(b) \begin{tabular}{|l|l|} \hline i & A single induction motor taking 20 kW and operate at 0.75 PF lagging \\ \hline ii & An electric pump taking 25kVA and operate at 0.92 PF lagging \\ \hline iii & Lumped load rated at 8 kW and operating at unity PF \\ \hline iv & Lumped load rated at 15kV Ar and operating at 0.68 PF lagging \\ \hline \end{tabular}