Question A 15kVA, 2400V/240V, 60Hz, single phase transformer has the following equivalent circuit parameters: = = = Prim

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Question A 15kva 2400v 240v 60hz Single Phase Transformer Has The Following Equivalent Circuit Parameters Prim 1 (97.76 KiB) Viewed 26 times

Question A 15kVA, 2400V/240V, 60Hz, single phase transformer has the following equivalent circuit parameters: = = = Primary resistance, Rp = 2.522 Secondary resistance, Rs = 0.02522 Primary reactance, Xp = 722 Secondary reactance, Xs = 0.0712 Core resistance, Rc = 32k22 Magnetizing reactance, Xm = 11.5ká Given that the transformer is supplying to a load with 0.8 power factor lagging at rated voltage. - (a) Draw the approximate equivalent circuit referred to primary and calculate the equivalent winding impedance referred to primary. [7 marks] (b) Using the circuit obtained in part (a), determine the input voltage when output voltage is 240V. [7 marks]