In recent years,the whole course monitoring system has been widely used as an efficient way of expressway administration. Meanwhile ,the application of proper power supply system has become a great concern of the expressway administrators. This paper is going to analyze the effects of intelligent Energy-Saving power supply system on the whole course monitoring system of the Huai-Yan expressway and point out its advantages over traditional power supply systems. In fact ,the intelligent Energy-Saving power supply system is more applicable , energy-saving,and low-cost in the long run.%近年，高速公路全程监控作为道路管理的一种有效手段，已被普遍实施，与之相配套的供电系统也成为道路管理者如何选择的课题。文章从分布式智慧节能供电系统在淮盐高速全程监控系统中的应用效果，来比较相对于传统供电方式的优点。指出分布式智慧节能供电系统的电能损耗更小、实用性更强，长期运营能够有效地降低成本。
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