Analyzing small signal stability of power system based on online data by use of SMES (特集 電力・エネルギー分野,環境分野における超電導技術)
スポンサーリンク
概要
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The purpose of this study is to estimate eigen-values and eigen-vectors of a power system from on-line data to evaluate the power system stability. Power system responses due to the small power modulation of known pattern from SMES (Superconducting Magnetic Energy Storage) were analyzed, and the transfer functions between the power modulation and power oscillations of generators were obtained. Eigen-values and eigen-vectors were estimated from the transfer functions.Experiments were carried out by use of a model SMES and Advanced Power System Analyzer (APSA), which is an analogue type power system simulator of Kansai Electric Power Company Inc., Japan. Changes in system condition were observed by the estimated eigen-values and eigen-vectors. Result agreed well with the resent report and digital simulation. This method gives a new application for SMES, which will be installed for improving electric power quality.
- 2009-11-01
著者
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ISHIKAWA Hiroyuki
Graduate School of Science for Open and Environmental Systems, Keio University
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Nitta Tanzo
Meisei University
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SHIRAI Yasuyuki
Graduate School of Energy Science, Kyoto University
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SHIBATA Katsuhiko
Kansai Electric Power Company
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Shirai Yasuyuki
Graduate School Of Energy Science Kyoto University
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Ishikawa Hiroyuki
Graduate School Of Energy Science Kyoto University
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- Analyzing small signal stability of power system based on online data by use of SMES (特集 電力・エネルギー分野,環境分野における超電導技術)