Comparison of strategies for operational flexibility enhancement of combined heat and power plants

Zhang, Yan, Xu, Xiandong ORCID: https://orcid.org/0000-0003-0449-8929, Wang, Haixia, Zhang, Na, Sun, Hui and Lyu, Quan 2019. Comparison of strategies for operational flexibility enhancement of combined heat and power plants. Presented at: 3rd IEEE Conference on Energy Internet and Energy System Integration (EI2 2019), Changsha, China, 8-10 November 2019. 2019 IEEE 3rd Conference on Energy Internet and Energy System Integration (EI2). IEEE, pp. 149-152. 10.1109/EI247390.2019.9061874

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Abstract

This paper compares the strategies for improving the operational flexibility of combined heat and power (CHP) plants to support wind power integration. Four commonly used strategies, namely cutting off low pressure cylinder, installing heat accumulator, installing electric boiler, and utilizing by-pass device are discussed. An integrated model is proposed to quantify the performance of various strategies in improving the flexibility of CHP plants. A 350 MW subcritical extraction condensing turbine in China is used as an example, to compare the performance of the four strategies from the viewpoint of the operating cost of flexibility enhancement. The maximum flexibility and the scope of applicability can be enhanced.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	IEEE
ISBN:	978172813175
Last Modified:	07 Dec 2022 13:26
URI:	https://orca.cardiff.ac.uk/id/eprint/131656

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