Field Measurements and System Identification of Three Frequency Controlling Hydropower Plants

Saarinen Linn; Norrlund Per; Lundin Urban

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Field Measurements and System Identification of Three Frequency Controlling Hydropower Plants

机译：Field Measurements and System Identification of Three Frequency Controlling Hydropower Plants

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The dynamic behavior of hydropower plants participating in primary frequency control is investigated in this paper through frequency response, step response, and setpoint change tests on three Swedish hydropower plants. Gray-box system identification is used to estimate the parameters of simple linear models suitable for power system analysis and the major shortcomings of the linear models are discussed. It is found that frequency response tests with sinusoidal input signals give more reliable information about the dynamics of the plants than step response tests. It is also shown that backlash in the runner and guide vane regulating mechanisms are of great importance for the dynamic behavior of the plants, and that the incremental gain from guide vane opening to power varies considerably with the operation point.

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来源
《IEEE Transactions on Energy Conversion》 |2015年第3期|1061-1068|共8页
作者
Saarinen Linn; Norrlund Per; Lundin Urban;
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作者单位

Uppsala Univ, Div Elect, Dept Engn Sci, SE-75121 Uppsala, Sweden;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类电工技术;
关键词
Automatic generation control; hydroelectric power generation; power system dynamics; system identification;

Field Measurements and System Identification of Three Frequency Controlling Hydropower Plants

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