For the four bus system as shown in Fig. Determine the fault current when the fault takes place at bus no.3 with fault impedance Zf=j0.32 p.u. The Subtransient reactance of the generators and positive sequence reactance of other elements are given. Assume pre fault Voltage Eth= 120° p.u Generator X = j0.16p.u; Transmission line X = j0.26p.u; Transformer X j0.34p.u !! %3D %3D 十章1章 Y글 스 A Zth in p.u Fault current I in p.u Fault Current contribution by the Generator G2 (IG2) 00000 000

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For the four bus system as shown in Fig. Determine the fault current when the fault takes place at bus no.3
with fault impedance Zf =j0.32 p.u. The Subtransient reactance of the generators and positive sequence
reactance of other elements are given. Assume pre fault Voltage Eth= 10° p.u
Generator X = j0.16p.u; Transmission line X = j0.26p.u; Transformer X = j0.34p.u
%3D
%3D
十章1章
Y글 스
A
Zth in p.u
Fault current I in p.u
Fault Current contribution by the Generator G2 (IG2)
-00000-
0000
Transcribed Image Text:For the four bus system as shown in Fig. Determine the fault current when the fault takes place at bus no.3 with fault impedance Zf =j0.32 p.u. The Subtransient reactance of the generators and positive sequence reactance of other elements are given. Assume pre fault Voltage Eth= 10° p.u Generator X = j0.16p.u; Transmission line X = j0.26p.u; Transformer X = j0.34p.u %3D %3D 十章1章 Y글 스 A Zth in p.u Fault current I in p.u Fault Current contribution by the Generator G2 (IG2) -00000- 0000
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