Life Cycle Cost Risk Assessment of Power Transformer Based on Matter-Element Model

doi:10.11930/j.issn.1004-9649.2014.12.127.5

Abstract

Abstract: Assessment of risk factors in power transformer life cycle cost modeling is important for improving the efficiency of transformer life cycle cost management. According to the risk factors in transformer life cycle cost, a risk assessment index system of transformer life cycle cost is established, and a matter-element model for transformer life cycle cost risk assessment is proposed by introducing the matter-element model and extension analysis theory to quantify the qualitative indexes. Through case study, the uncertain factors in power transformer life cycle cost management are quantified and a life cycle cost risk assessment system is established. The matter-element model is used to evaluate the risk rating of the transformer cost, and the key risk factors in transformer cost are obtained. In practice, some control strategies can be proposed for various risk factors.

Key words: transformer, life cycle cost, index system, extension analysis, matter-element model, risk assessment

CLC Number:

TM41

XU Yu-qin, REN Zheng, ZHAN Xiang-ling, LI Tong, HU Wei-tao, QIAO Guo-hua, XIE Qing. Life Cycle Cost Risk Assessment of Power Transformer Based on Matter-Element Model[J]. Electric Power, 2014, 47(12): 127-132.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2014.12.127.5

https://www.electricpower.com.cn/EN/Y2014/V47/I12/127

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