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題 名 | 新興電廠投資計畫機組運轉維護費及期中更新費用之研究=A Study on the Expenditure of O & M and Replacement of New Power Plants |
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作 者 | 鄭義; 林玉華; 張信生; | 書刊名 | 台電工程月刊 |
卷 期 | 617 2000.01[民89.01] |
頁 次 | 頁78-95 |
分類號 | 448.1 |
關鍵詞 | 投資評估; 運轉維護費; 期中更新; 迴歸分析; Investment analysis; Expenditure on operation and maintenance; Expenditure on replacement; Regression analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 台電公司電源開發處在進行投資計畫時,必須對運轉維護費與期中更新 費用進行評估,因此兩項費用為發電運轉過程中必然會發生的費用項目,而此二 項目之估計的正確與否,對電廠投資的成本效益評估有相當的影響。 研究的目的在於發展一套運轉維護費與期中更新費用的估計公式或模式。研究方 法是參酌現有實績資料,利用相關參數如機組發電量、運轉特性、機組壽齡、機 組模式、使用燃料、容量因素、匯率等,分析此二項費用的成本習性。 從成本實績的分析發現,水力電廠的發電設備折舊與用人費之成本比重大、一般 維修與歲修之間並無互補之現象,且維護成本佔發電成本的比重相較於火力為 低。火力發電如燃煤、燃油、燃氣等機組,其成本以鍋爐設備維護費、火力雜項 費用所佔的成本的比重最大、新機組之發電設備折舊費高。至於其他發電方式, 如燃氣複循環、燃油氣渦輪等機組之成本以其他發電及電氣設備維護費成本和其 他發電雜項費用比重大,而柴油機組之用人費成本比重相較為高,但成本變動幅 度小。期中更新費用加計維護費分析,發現燃煤舊機組的成本較燃油機組來得大。 從歷史成本實績資料,並無法得到成本和期中更新與發電量之間有顯著且一致 相關性的結果,因此所得到的迴歸分析結果,無法找出一合理且預測價值高的 估計模式。 |
英文摘要 | To evaluate power plant investment project, annual forecasts of theexpenditure on operation and maintenance (0&M) and replacementthroughout the economic life of the project is always required to facilitatethe capital budgeting procedures. The accuracy of such forecasts willinevitably influence the result of the investment analysis. The purpose of this research is to develop a formula or analytical modelfor estimating the expenditure on 0&M and replacement. Based onaccounting and load data, relationship between the expenditure and potentialfactors, such as unit output, unit pattern, unit age, fuel used, capacity factorand exchange rate are analyzed. The in-depth examination of cost data shows that hydro production plantsincur higher proportion of costs on depreciation of power generating plantand personnel expenses; general maintenance expenses do not complementannual maintenance expenses; maintenance costs weight lower percentageof power generating costs than steam production plants. For three types ofsteam production plants, namely the coal-fired, oil-fired, and gas-fired units,maintenance of boiler plant and miscellaneous steam power generatingexpenses are the major cost accounts; new power plants exhibit higherdepreciation expenses. For gas-fired combined cycle and oil-fired turbineunits, costs are higher on maintenance of other power generation and electricequipment and miscellaneous expense accounts; diesel units display heavierpersonnel costs, and the variation of costs is relatively mild. Finally, oldercoal-fired units show higher costs in terms of expenditure on replacementand maintenance together, compared to oil-fired units. From regression results, no significant and consistent relationshipbetween expenditure on (0&M) and replacement and unit output is found.The proposed simple formula or analytical model is unfortunately notobtained. |
本系統中英文摘要資訊取自各篇刊載內容。