Two balanced Y-connected loads in parallel, one drawing 15kW at 0.6 power factor lagging and the...
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Two balanced Y-connected loads in parallel, one drawing 15kW at 0.6 power factor lagging and the other drawing 10KVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source. (a) Draw the power triangle for each load and for the combined load. (b) Determine the power factor of the combined load and state whether lagging or leading. (C) Determine the magnitude of the line current from the source. (d) A-connected capacitors are now installed in parallel with the combined load. What value of capacitive reactance is needed in each leg of the A to make the source power factor unity? Give your answer in 2. (e) Compute the magnitude of the current in each capacitor and the line current from the source. Two balanced Y-connected loads in parallel, one drawing 15kW at 0.6 power factor lagging and the other drawing 10KVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source. (a) Draw the power triangle for each load and for the combined load. (b) Determine the power factor of the combined load and state whether lagging or leading. (C) Determine the magnitude of the line current from the source. (d) A-connected capacitors are now installed in parallel with the combined load. What value of capacitive reactance is needed in each leg of the A to make the source power factor unity? Give your answer in 2. (e) Compute the magnitude of the current in each capacitor and the line current from the source.
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Sol Given Load I 15 kw 0 6PF lag 15 LCos06 KVA 25L53136 O6 Load ... View the full answer
Related Book For
Fundamentals of Electric Circuits
ISBN: 9780073301150
3rd edition
Authors: Matthew Sadiku, Charles Alexander
Posted Date:
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