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A novel surface-cluster approach towards transient modeling of hydro-turbine governing systems in the start-up process

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jun 2018 United Kingdom Publisher:Elsevier BVJournal:Energy Conversion and Management, volume 165, pages 861-868 (issn: 0196-8904,

Authors: Xingqi Luo; Aggidis George; Pengcheng Guo; Hao Zhang; Diyi Chen; Diyi Chen;

doi: 10.1016/j.enconman.2018.03.097

A novel surface-cluster approach towards transient modeling of hydro-turbine governing systems in the start-up process

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Abstract

Abstract Transient process, an essential condition for the operation of the hydro-turbine governing system, is critical for the safety and stability of a hydropower station. This research focuses on the transient modeling and dynamic analysis of the hydro-turbine governing system in the start-up process. A novel approach is developed to establish the dynamic model of the hydro-turbine governing system in transient process. The flow equation and torque equation were improved to reflect the dramatic changes of system parameters during the start-up process. As a pioneering work, the effect of guide vane opening law on the dynamic characteristics of the hydro-turbine governing system in the start-up process was investigated by numerical simulations. The results of this research can promote the development of transient modeling and performance improvement of hydro-turbine governing systems in transient process.

Country

United Kingdom

Related Organizations

Xi'an University of Technology
China (People's Republic of)
Lancaster University
United Kingdom
Curtin University
Australia
North University of China
China (People's Republic of)

Keywords

690, 620

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