Answer to Question #168612 in Electricity and Magnetism for Yagneswar

Question

 A 1 phase 400 V 6 kW load having a lagging power factor of 0.8 is supplied through a line (on 200 V side) of impedance (0.10+j0.3) Ω and a 1 phase 10 kVA 200/400 V , 50 Hz Transformer. Equivalent impedance of Transformer referred to the 400 V side is (0.2875+j1.125) Ω. Determine the source voltage required at the beginning of the line if load voltage is maintained at 400V. 

Answer 1

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