The results in Table 9.5 show that during a phase (a) single line-to-ground fault the phase angle
Question:
The results in Table 9.5 show that during a phase \(a\) single line-to-ground fault the phase angle on phase \(a\) voltages is always zero. Explain why we would expect this result.
Table 9.5
Transcribed Image Text:
Vprefault=1.05 20 Bus Fault Bus 1 2 3 4 01 5 1 2 3 st 4 5 1 2 3 4 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 Phase A 0.0000 0.00 0.506920.00 0.788820.00 0.672720.00 0.423920.00 0.883220.00 0.0000 0.00 0.921420.00 0.843520.00 0.756220.00 0.6851 0.00 0.464920.00 0.0000 0.00 0.3490 0.00 0.5228 0.00 0.590320.00 0.2309 0.00 0.438720.00 0.0000 0.00 0.346320.00 0.476420.00 0.1736 0.00 0.704340.00 0.5209 0.00 0.00000.00 Bus Voltages during Fault Phase B 0.9537-107.55 0.9440-105.57 0.9912-113.45 0.9695-110.30 0.9337-103.12 1.0109-115.90 1.1915-130.26 1.01942-116.87 1.0158-116.47 1.0179/-116.70 0.9717-110.64 0.9386-104.34 0.9942-113.84 0.9259-100.86 0.9462-106.04 0.9560-107.98 0.9401-104.70 0.93542-103.56 0.9432-105.41 0.9386-104.35 0.9400-104.68 0.9651-109.57 0.9751-111.17 0.9592-108.55 0.9681-110.07 Phase C 0.9537107.55 0.9440/105.57 0.9912/113.45 0.9695/110.30 0.9337/103.12 1.0109115.90 1.1915/130.26 1.0194116.87 1.0158/116.47 1.0179/116.70 0.9717110.64 0.9386/104.34 0.9942/113.84 0.9259/100.86 0.9462/106.04 0.9560107.98 0.9401/104.70 0.9354103.56 0.9432/105.41 0.9386/104.35 0.9400104.68 0.9651109.57 0.9751/111.17 0.9592/108.55 0.9681/110.07
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Related Book For
Power System Analysis And Design
ISBN: 9781305632134
6th Edition
Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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