A new perspective of thermoeconomic analysis on a gas-steam combined cycle power plant Online publication date: Mon, 20-Jul-2020
by Hongkun Li; Weidong Zheng; Jianhong Chen; Xiliang Hong; Xiaorong Wang; Qiangfeng Chen
International Journal of Exergy (IJEX), Vol. 32, No. 3, 2020
Abstract: In this study, we have applied the H&S model to a gas-steam combined cycle power plant (CCPP) and further explore its advantages for thermoeconomic evaluation. We introduce how E&S model irrationally assesses the performance of both productive and dissipative components from the viewpoint of fuel-product model. Then, we build the thermoeconomic model of a typical gas-steam CCPP based on H&S theory and show the potential of improvement for each component. For a CCPP, the results indicate that reducing non-energy cost of the steam turbine (ST) and the irreversibility of the combustion chamber (CC) can significantly lower the thermoeconomic cost of electrical power. For the condenser (CND) and stack (STA), the dissipative cost is responsible for the most of their thermoeconomic cost. It is concluded that thermoeconomic performance evaluation based H&S model gives a more reasonable result and can support the research on thermoeconomic optimisation.
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Exergy (IJEX):
Login with your Inderscience username and password:
Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.
If you still need assistance, please email subs@inderscience.com
Our Blog 
Follow us on Twitter 
Visit us on Facebook