A three phase 11KV transmission line supplies a 3MW load of 0.8 lagging power factor. Each transmission line phase has a series resistance of 0.01 ohms and an inductance of3x104 Henries. If the power factor of the load is improved to unity. What is the supply voltage needed to give rated voltage at the load and the relative phase angles of the supply and load voltages? [11.0027KV 0.13°]
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