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Optimum Operation Condition of a Combined-cycle Cogeneration Plant

Name: วุฒิพงศ์ จันทร์กรี

Organization : มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าธนบุรี

keyword: Combined-cycle Plant

; Optimum Operating Condition of a Power PantlElectricity and SteamCost of a Combined-cycle Cogeneration Plant

Abstract: This work is a study on the optimal operating condition of a combined-cycle cogeneration plantconsidering from efficiencies, expenses, and emissions points of view. The plant electrical loadsinvestigated were 37.24,47.38, 57.40,60.28, and 63.16 MW. At each load value, data were collected atvarious location of each plant component to obtain sufficient information for analysis and evaluation ofthe above parameters. As for expenses they are composed of two components, hourly operatingexpenses and hourly emission costs. The total minimum value from the two components will yield theoptimum operating conditions.The hourly operating expenses consist of variable and fixed costs. Variable costs contain fuel costs,water costs in steam production, and maintenance costs. For the fixed component, as actual plant costswere not available, it was assumed to be 15.675% of the investment cost throughout the plant lifetime.From the study , the minimum plant expenses were found to be at 63.16 MW load and the maximumwas at 37.24 MW load. This trend was found to be the same as plant efficiency values.Emission costs were examined for 2 polluting gases, is carbon monoxide (CO) and nitrogen oxides(NO,). From the study , the minimum cost was found to be is at 60.28 MW load and the maximumcompensation was at 63.16 MW load. When the hourly operating expenses and hourly emission costswere considered together, the optimal operating point was estimated to be at 60.28 MW load.

มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าธนบุรี

Address: กรุงเทพมหานคร

Email: info.lib@mail.kmutt.ac.th

Name: จุลละพงษ์ จุลละโพธิ

Role: อาจารย์ที่ปรึกษา

Created: 2545

Issued: 2005-10-03

Modified: 2553-12-16

วิทยานิพนธ์/Thesis

ISBN: 9749635280

CallNumber: EM251

tha

DegreeName: Master of Engineering

Level: Master's Degree

Descipline: Energy Management Technology

Grantor: King Mongkut's University of Technology Thonburi

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1	EM251.pdf	16.29 MB	213	2025-03-02 20:37:27
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3	EM251ab.txt	1.84 KB	36	2021-06-22 14:53:18

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