LCC分析的变电站防汛能力提升可行性评估

摘要:

洪涝灾害频发地区的变电站有严峻的防汛需求,因此对其防汛方案可行性评估的研究就具有重大的意义。本文基于工程经济学理论,结合具体案例,采用全寿命周期成本(LCC)分析,根据变电站各时期防汛性能要求,量化变电站防汛工程的提升项目,并提出各阶段的成本计算公式,最后提出采用成本效益分析方法判断方案的可行性。结果表明：全寿命过程中,一次性防汛投资是提升变电站防汛能力的决定因素,其占全寿命周期总成本的合理占比应约为80%。

Abstract:

Substations in flood prone areas have severe prevention needs, so the research on the feasibility evaluation of flood prevention scheme is of great significance. Based on the theory of engineering economics and combined with specific cases, this paper adopts the life-cycle cost analysis, quantifies the improvement project of substation flood control project according to the flood prevention performance requirements of substation in each period, puts forward the cost calculation formula of each stage, and finally puts forward the cost-benefit analysis method to judge the feasibility of the scheme. The results show that the one-time flood control investment is the decisive factor of improving the flood prevention capacity of substation, and its reasonable proportion in the total cost of the whole life cycle should be about 80%.