某数据中心电源切换方案简析

丛 煜（中国航空规划设计研究总院有限公司，北京市 100120）

Simple Analysis of Power Supply Switch Scheme of a Data Center

CONG Yu(China Aviation Planning and Design Institute(Group)Co.,Ltd.,Beijing 100120，China)

Abstract：With regard to the project demands of a data center,this paper designs three sorts of power supply switch schemes for the 0.4 kV side municipal power - diesel generator unit，introduces the main wiring method and switch action logic of these three schemes,analyzes,summarizes and compares the characteristics of various schemes,and proposes optimized suggestions on the power supply switch scheme.

Key words：data center;power supply switch;municipal power;diesel generator;power supply and distribution;2N system;PLC control;ATSE

摘　要：针对某数据中心项目需求，设计3种0.4 kV侧市电-柴油发电机组电源切换方案。对3种方案的主接线形式、开关动作逻辑进行介绍，对各方案的特点进行分析、总结和对比，提出电源转换方式的优化建议。

关键词：数据中心；电源切换；市电；柴油发电机；供配电；2N系统；PLC控制；ATSE

中图分类号：TU852  　　  　     文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2022.02.003