December 2020
Intermediate to advanced
545 pages
15h 57m
English
book
Modern Power System Analysis with MATLAB® Applications by Pearson
by R. Jegatheesan, K. Vijayakumar
Content preview from Modern Power System Analysis with MATLAB® Applications by Pearson
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Modern Power System Analysis with MATLAB Applications
250
Fault current, I
F
= –j 2.5 per-unit
V
1(F)
= 0.3635 per-unit
V
2 (F)
= 0.5095 per-unit
V
3(F)
= 0.4698 per-unit
i
2–1
= –j 0.5615 per-unit
i
3–1
= –j 0.6644 per-unit
i
G1
= –j 1.273 per-unit
Sum of incoming currents at bus 1 = –j 2.4989 per-unit.
Sum of outgoing currents at bus 1 = –j 2.5 per-unit.
Thus, KCL is satisfied.
3. Sub-transient current in the fault,
′′
I
f
= –j 5.0
The sub-transient fault current supplied by the generator in bus 2 = –j 2.25 per-unit.
Therefore, V
4 (F)
= 0.75 per-unit.
4. Fault current, I
F
= –j 5 per-unit
Faulted bus current, ...
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