电源方案技术经济比较是企业供电设计中决定合理的供电方式的依据。当各电源方案在技术上都可行,而且没有显著的,对方案的取舍有决定意义的技术上的优缺点时,经济效果往往成为决定方案取舍的主要依据。经济比较的内容,包括基建投资、年运行费及有色金属消耗量三项指标;经济比较的结果,反映在各方案间这 Comparison of technical and economical power supply scheme is the basis for determining the reasonable power supply mode in the design of enterprise power supply. When each power scheme is technically feasible, and there are no significant technical advantages and disadvantages that make up the decisive choice of the scheme, the economic effect tends to be the primary basis for determining the choice of scheme. The economic comparison includes three indicators of infrastructure investment, annual running cost and non-ferrous metal consumption; the result of economic comparison is reflected in various programs