数据中心35(20)kV供配电系统接地方式探讨  

Discussion on Grounding Mode of 35(20)kV Power Supply and Distribution Systems in Data Center

作　　者：李益惠 唐登月 Li Yihui;Tang Dengyue(China Architecture Design&Research Group Co.,Ltd,Beijing 100044,China)

机构地区：[1]中国建筑设计研究院有限公司,北京100044

出　　处：《智能建筑电气技术》2022年第4期38-41,共4页Electrical Technology of Intelligent Buildings

摘　　要：阐述分析电力系统中性点接地方式的原理和特点,基于市政电源电压为35(20)kV、配置35(20)/10kV中压配电变压器和10kV柴油发电机的数据中心供配电架构模型,从接地故障电流、电气设备和线路绝缘水平、供电可靠性和可维护性、继电保护灵敏度、中压系统接地故障对低压侧的影响等方面对数据中心中压系统中性点接地方式进行讨论分析,提出可行性建议。This paper expounds and analyzes the principle and characteristics of the neutral point grounding mode of power system. Based on the data center power supply framework model with 35(20)kV municipal power supply voltage, 35(20)/10 kV medium voltage distribution transformer and 10 kV diesel generator, from the following aspects of grounding fault current, electrical equipment and line insulation level, power supply reliability and maintainability, relay protection sensitivity, impact of the medium voltage system grounding fault on the low voltage side to discuss and analyze the neutral point grounding mode of the medium voltage system in the data center, and put forward feasible suggestions.

关 键 词：数据中心 35(20)/10kV变压器 10kV柴油发电机 中性点接地方式 

分 类 号：TU856[建筑科学]