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首页> 外文会议>2002 ASME Pressure Vessels and Piping Conference, Aug 5-9, 2002, Vancouver, British Columbia, Canada >AN ECONOMIC ASSESSMENT METHODOLOGY FOR REPLACEMENT OF THE COMPONENTS OF NUCLEAR POWER PLANT
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AN ECONOMIC ASSESSMENT METHODOLOGY FOR REPLACEMENT OF THE COMPONENTS OF NUCLEAR POWER PLANT

机译：核电站组件更换的经济评估方法

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摘要

Generally, the economic assessments of the major component replacements of nuclear power plants (NPPs) have been carried out in deterministic ways. However, the deterministic assessments had difficulty in treating the input variables with uncertainties, and could result in erroneous decision. A method based on the probability theory would be a proper alternative to take into account the uncertainties in real world much precisely. In this paper, an economic assessment for replacement of an NPP component has been performed through the decision analysis adopting the probability theory. The major factors of the decision analysis are the selected alternative among various options, the results brought about from the selection, and the relative priority of the certain alternative compared to the others. A significant advantage of the decision analysis lies in processing the uncertainties and risks. The model of decision analysis could be built with influence diagrams and decision trees. In this paper, the optimal time of replacing "A" type of steam generator (SG) was determined using the decision analysis methodology. This methodology can be applied to the economic evaluations for replacements of major components of NPPs under the free competition of Korean power market of in the future.
机译：通常，对核电厂主要部件更换的经济评估是以确定性的方式进行的。但是，确定性评估难以处理不确定性的输入变量，并且可能导致错误的决策。一种基于概率论的方法将是一种恰当的选择，可以更精确地考虑现实世界中的不确定性。通过采用概率论的决策分析，本文对NPP组件的更换进行了经济评估。决策分析的主要因素是各种选择中选择的替代方案，从选择中获得的结果以及某个替代方案相对于其他替代方案的相对优先级。决策分析的显着优势在于处理不确定性和风险。可以使用影响图和决策树来构建决策分析模型。在本文中，使用决策分析方法确定了更换“ A”型蒸汽发生器（SG）的最佳时间。该方法可用于未来韩国电力市场自由竞争下替代核电厂主要部件的经济评估。

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