Analytical-numerical analysis of closed-form dynamic model of Sayano-Shushenskaya hydropower plant : stability, oscillations, and accident

6533b838fe1ef96bd12a4002

RESEARCH PRODUCT

Analytical-numerical analysis of closed-form dynamic model of Sayano-Shushenskaya hydropower plant : stability, oscillations, and accident

N.v. Kuznetsov M.v. Yuldashev R.v. Yuldashev

subject

hydraulic turbine vesiturbiinit hydropower unit simulation säätöteoria värähtelyt säätötekniikka synchronous generator oscillations simulointi generaattorit speed governor matemaattiset mallit Sayano-Shushenskaya hydropower plant vesivoimalat

description

This work is devoted to the analysis of a mathematical model of hydropower unit, consisting of synchronous generator, hydraulic turbine, and speed governor. It is motivated by the accident happened on the Sayano-Shushenskaya hydropower plant in 2009 year. In the analysis we follow the line of classical control theory approach developed in the works of famous scientists J.C. Maxwell, I.A. Vishnegradsky, A.A. Andronov, and F. Tricomi for the study of centrifugal turbine governor and electrical machines limit-load problem. It is shown that the occurrence of vibrations in the Sayano-Shushenskaya hydropower plant can be caused by nonlinear dynamics of the closed-form model. peerReviewed

year	journal	country	edition	language
2021-01-01

http://urn.fi/URN:NBN:fi:jyu-202009306013

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