 An experiment-based model of condensate throttling and its utilization in load control of 1000 MW power unitsDongteng Long, Wei Wang, Chu Yao and Jizhen Liu Energy, 2017, vol. 133, issue C, 941-954 Abstract: Coal-fired power units are important to stabilize the grid fluctuation especially for the electrical power system with a large proportion of renewable sources. The unit load change speed and range controlled by traditional coordinate control system has become more and more insatiable for the integrations of fluctuant power sources. Condensate throttling is an efficient way to utilize storage energy of units, the mechanism analysis of regulating range and regulation maximum period in wide range of operating condition is proposed, and dynamic model in varying operation conditions is established through lots of trial experiments in a 1000 MW coal-fired power plant, the parameters of model are also discussed in different operating situations. A novel coordinate control system combining traditional coordinate control and condensate throttling system is proposed and the control performance in different regulating rates is investigated, the results and load distribution analysis proved that novel strategy achieve a superior fast response ability and static accuracy. Keywords: Condensate throttling; Modeling; Load control; 1000 MW power units (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:133:y:2017:i:c:p:941-954 DOI: 10.1016/j.energy.2017.05.179 Access Statistics for this article Energy is currently edited by Henrik Lund and Mark J. Kaiser More articles in Energy from Elsevier |
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