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Q. Three loads in parallel are supplied by a single phase 400-V, 60-Hz supply:
Load A: 10 kVA at 0.8 leading power factor
Load B: 15 kW at 0.6 lagging power factor
Load C: 5 kW at unity power factor
(a) Find the real power, reactive power, volt-amperes, and line current drawn from the supply by the combined load.
(b) If the supply line is to operate at 0.9 leading power factor, determine the value of the capacitance to be placed across the load.
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