For the four bus system as shown in Fig. Determine the fault current when the fault takes place at bus no.2 with fault impedance Z, =j0.42 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 = j0.21p.u ; Transmission line X = j0.29p.u ; Transformer X = j0.42p.u À Y=' Y스 Zth in p.u Fault current I, in p.u Fault Current contribution by the Generator G1 (Ig1) 00000

Introductory Circuit Analysis (13th Edition)
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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.2 with fault impedance Z, =j0.42 p.u. The Subtransient reactance of the generators and
positive sequence reactance of other elements are given. Assume pre fault Voltage Eh= 120° p.u
Generator X = j0.21p.u ; Transmission line X = j0.29p.u ; Transformer X = j0.42p.u
G2
Y를 스
Zth in p.u
Fault current lț in p.u
Fault Current contribution by the Generator G1 (lG1)
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.2 with fault impedance Z, =j0.42 p.u. The Subtransient reactance of the generators and positive sequence reactance of other elements are given. Assume pre fault Voltage Eh= 120° p.u Generator X = j0.21p.u ; Transmission line X = j0.29p.u ; Transformer X = j0.42p.u G2 Y를 스 Zth in p.u Fault current lț in p.u Fault Current contribution by the Generator G1 (lG1) 0000
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