本文首先介绍了当前国内外数据中心空调群控技术的发展概况和基本概念,然后就某大型数据中心案例分别介绍了当前数据中心末端精密空调群控和冷水机组群控的特点、原理,分析了该技术如何在数据中心实现真正意义上的节能,最后分析了在大型数据中心机房应用该技术的前景进行了展望并对全文进行了总结。 This paper first introduces the current development and basic concepts of air-conditioning group control technology in data centers both at home and abroad. Then, this paper introduces the characteristics and principles of group-control of precision air-conditioning group control and chiller at the end of a large data center. How this technology realizes the energy saving in the data center, and finally analyzes the prospect of applying this technology in the large data center computer room and summarizes the full text.