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| Life cycle cost assessment for transformer based on incomplete records |
| TANG Wei, CHEN Ji-xi, WANG Zi-long, ZHENG Jia-jun, GU Xin-jian |
| Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China |
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Abstract The life cycle cost (LCC) analysis model of transformer based on the incomplete data recording was proposed. The transformer failure cost calculation method based on the product structure tree was analyzed in the case of deficient fault record shortage. The definition of fault product base set (FPBS) was presented. The self-accurate failure cost calculation process model was established, which would be much more precise along with the increasing records. A lifelong cost calculation software for transformer was developed, which supports evaluation of LCC in bidding by using the proposed algorithm and helps enterprises accumulate product data. Then the situation of life cycle data shortage was gradually improved. A practical case study was provided for testing the proposed algorithm. Results show that the LCC model and system is feasible and effective in solving the problem of transformers total cost in whole life evaluation．
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Published: 01 January 2014
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基于不完整数据的变压器全生命周期成本
提出基于不完整数据的变压器全生命周期成本(LCC)分析模型,研究在故障记录不完整的情况下,基于产品结构树的变压器故障成本的计算方法.给出故障产品基数集合（FPBS)的定义,建立具有自精确性的零部件故障成本计算过程模型,使LCC分析的精确性随着数据的完善而提高.开发变压器LCC支持系统,应用该算法支持企业招投标中LCC的评估；协助企业累积相关数据,逐步改善产品生命周期数据累积不足的状况.通过实际案例验证表明,该计算模型和支持系统在解决变压器全生命周期成本计算问题方面具有可行性和有效性.
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