IRWIN 9e 11_15 - Irwin Basic Engineering Circuit Analysis...

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Unformatted text preview: Irwin, Basic Engineering Circuit Analysis, 9/E > 1 11.15 All abs—sequence balanced three-phase wye—cennecled source supplies pcwer tcr a balanced “rye—connected lead. The line impedance per phase is 1 + 3‘0 [1, and the lead impedance per phase is 21‘.) + fill) 11. If the source line voltage Vmis IME V rms, find the line currents. SOLUTION: /‘ Q Kid»; 3 1+ 109' fl, = ‘20-‘- 3201\— Val: = 100 L00 Vams Vah :. 100 [—00“ 30° J3— 59!.79 Lao" VAms Van EM ___ Est-7‘1 L'soo 1+jo+20+j 20 Ian = 2t73.s°A 2Lv193-60A f = 2446474 Chapter 11: Polyphase Circuits Problem 11.15 ...
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