Question: A balanced three - phase, 8 6 6 V line - to - line, ( 6 0 mathrm { ~Hz } ,

A balanced three-phase, 866 V line-to-line, \(60\mathrm{~Hz},\mathrm{Y}\)- connected source feeds a balanced, \(\Delta \)- connected load via a three-wire transmission line. Each wire of the transmission line has an impedance of \(1+2\mathrm{j}\Omega \) and the per-phase impedance of the load is \(177-246\mathrm{j}\Omega \). Assume positive phase sequence.
(a) Draw the thee phase circuit.
(b) Draw the per-phase equivalent circuit.
(c) Calculate the current flowing in the transmission line.
(d) Write down the current flowing in each of the three sections of the delta load.
(e) Calculate the line voltage at the load end.
(f) Calculate the total power dissipated in the load.
A balanced three - phase, 8 6 6 V line - to -

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