7.4 Consider an electrical system shown in Figure 7.14; a 3-phase short circuit occurs in ONE of the two circuits of the

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7 4 Consider An Electrical System Shown In Figure 7 14 A 3 Phase Short Circuit Occurs In One Of The Two Circuits Of The 1 (128.25 KiB) Viewed 45 times

7.4 Consider an electrical system shown in Figure 7.14; a 3-phase short circuit occurs in ONE of the two circuits of the transmission line. If the shunt impedance at the short-circuit point is Zs= j 0.1. Determine the maximum time when a short circuit can still be cleared. All the system parameters in per-unit values). Xd = 0.15 ; XT1 = XT2 = 0.22 ; XL1 = XL2 | 0.45 ; M = 10 sec; SL=0.1+j0.1 G Ti C.B1 T.Ll C.B2. T2 M10° T.L2, C 어 어 E = ELS C.B3 C.B4 Zs SL=0.2+j0.15 S-0.6+j0.25