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Dynamic modelling, validation and analysis of coal-fired subcritical power plant

Oko, Eni; Wang, Meihong

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Dr Eni Oko E.Oko@hull.ac.uk
Lecturer in Chemical Engineering

Meihong Wang



Abstract

Coal-fired power plants are the main source of global electricity. As environmental regulations tighten, there is need to improve the design, operation and control of existing or new built coal-fired power plants. Modelling and simulation is identified as an economic, safe and reliable approach to reach this objective. In this study, a detailed dynamic model of a 500 MWe coal-fired subcritical power plant was developed using gPROMS based on first principles. Model validations were performed against actual plant measurements and the relative error was less than 5%. The model is able to predict plant performance reasonably from 70% load level to full load. Our analysis showed that implementing load changes through ramping introduces less process disturbances than step change. The model can be useful for providing operator training and for process troubleshooting among others.

Publication Date Nov 1, 2014
Journal Fuel
Print ISSN 0016-2361
Electronic ISSN 1873-7153
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 135
Pages 292-300
APA6 Citation Oko, E., & Wang, M. (2014). Dynamic modelling, validation and analysis of coal-fired subcritical power plant. Fuel, 135, 292-300. https://doi.org/10.1016/j.fuel.2014.06.055
DOI https://doi.org/10.1016/j.fuel.2014.06.055
Keywords Coal-fired power plants; Dynamic modelling; Model validation; Drum boiler; Subcritical power plants
Publisher URL http://www.sciencedirect.com/science/article/pii/S0016236114006218
Copyright Statement © 2014, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Additional Information Author's accepted manuscript of article published in: Fuel, 2014, v.135

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Copyright Statement
© 2014, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/





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