Static Voltage Stability Analysis Based on PSS/E - Intelligent Computing for Sustainable Energy and Environment - page 201

4Conluon
This paper studies the static voltage stability of IEEE 30 Bus Test Case, and
determines the voltage weak region of the test case. The following conclusions
can be drawn.
(1) Contingency ranking is very effective in the static voltage stability analysis
for a large power system.
(2) In a large power system, the weak grid area always occurs at the low
voltage level. In this paper, the weak area, buses 26,30,29, are at the low voltage
level.
(3) Branch contingency has a significant impact on the buses nearby, yet little
impact on the buses far away.
(4) Generator outage changes the transfer power limit in a certain extent,
further affects the voltage stability of the power system.
Besides, the strong function about the analysis of voltage stability of the PSS/E
software is reflected in the paper.
Acknowledgment. This work was financially supported by the Natural Science
Foundation (51007054), Innovation Program of Shanghai Municipal Education
Commission (12ZZ172), National High Technology Research and Development
Program of China (2012AA051707).
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