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Title: Transient Stability Equivalents Based on Lyapunov Function
Authors: OHSAWA, Yasuhasu
HAYASHI, Muneaki
Issue Date: 30-Jun-1980
Publisher: Faculty of Engineering, Kyoto University
Journal title: Memoirs of the Faculty of Engineering, Kyoto University
Volume: 42
Issue: 2
Start page: 137
End page: 152
Abstract: Owing to the increasing size and complexity in power systems, the study of the stability equivalent is receiving a great deal of attention. This paper describes a systematic method for the recognition of coherent machines by means of the Lyapunov function which is used for the transient stability analysis. A group of generators, whose partial Lyapunov function has a small value compared with that for the whole system, is aggregated into one equivalent generator. This method does not require a long time simulation of the entire system. The parameters of the simplified system are also determined by using the Lyapunov function. The method is applied to 10-machine and 50-machine sample systems and the results are shown.
URI: http://hdl.handle.net/2433/281139
Appears in Collections:Vol.42 Part 2

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