THE EXERGY ANALYSIS AND OPTIMIZATION ON 815 MW SUPERCRITICAL STEAM POWER PLANT PAITON, INDONESIA

Prasetyo, Totok and Rudiyanto, Bayu and Choeriyah O.P, Nur and Widjonarko, Widjonarko (2020) THE EXERGY ANALYSIS AND OPTIMIZATION ON 815 MW SUPERCRITICAL STEAM POWER PLANT PAITON, INDONESIA. International Journal of Advanced Science and Technology, 29 (6). pp. 1366-1380. ISSN 2207-6360

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Abstract

The exergy analysis of supercritical steam power plant system at unit 3 Paitoon was carried out basedon the first and second thermodynamic laws. The exergy flow and exergetic efficiency are calculatedfor each generator component including boiler, HTP, IPT, LPT, deaerator, condenser, HPH, LPH,CEP and FWP. The steam exergy flowing into the system is 970288 kW which is used to produce 815MW of electricity with the overall exergy efficiency of the plant is 26.32%. Sankey diagram shows theloss of exergy in each component of the power plant. Irreversibilities in boilers, condensers, turbines,LPH, HPH, pumps and daerators are 1041068.79 kW (18.87%), 400619.99 kW (7.28%), 891940.73kW (16.17%), 41511.13 kW (0.75%), 59977.63 kW (7.28%) (1.09%), 10815.02 kW (0.20%) and4745.18 kW (0.09%) and the total exergy that can be converted into electrical energy is 3097083.84kW (55.96%) of the total exergy that enters the system. The greatest irreversibility was found inboilers in the amount of 1677003 kW (17.28%). Based on the results of optimization carried out byvarying the output pressure, the boiler obtained the highest efficiency value of 61.20% at an outputpressure of 24.53 bar.

Item Type: Article
Subjects: 410 - Rumpun Ilmu Teknik > 430 - Ilmu Keteknikan Industri > 443 - Teknik Enerji
Divisions: Kepegawaian
Depositing User: Bayu Rudiyanto
Date Deposited: 27 Mar 2021 22:00
Last Modified: 09 Apr 2021 21:47
URI: https://sipora.polije.ac.id/id/eprint/43

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