A new transient stability margin based on dynamic security region and its applications |
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| Authors: | AnCheng Xue ShengWei Mei |
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| Affiliation: | (1) State Key Lab of Power Systems, Department of Electrical Engineering, Tsinghua University, Beijing, 100084, China;(2) Key Lab of Systems and Control, Institute of Systems Science, Chinese Academy of Sciences, Beijing, 100190, China |
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| Abstract: | A new transient stability margin is proposed based on a new expression of dynamic security region (DSR) which is developed
from the existing expression of DSR. Applications of the DSR based transient stability margin to contingency ranking and screening
are discussed. Simulations in the 10-machine 39-bus New England system are performed to show the effectiveness of the proposed
DSR based transient stability margin.
Supported by Chinese National Basic Research Program (Grant No. 2004CB217900), the National Natural Science Foundation of
China (Grant Nos. 50525721, 50595411, 50707035) and China Postdoctoral Science Foundation (Grant No. 20060400518) |
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| Keywords: | dynamic security region (DSR) transient stability margin contingency screening |
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