10 kV双环网供电系统在北京某项目的应用

韩占强（中国中建设计集团有限公司，北京市 100037）

Application of 10 kV Double Loop Network Power Supply System in a Project in Beijing

HAN Zhanqiang（China Construction Engineering Design Group Co.,Ltd.,Beijing 100037，China）

Abstract：Taking Beijing Daxing International Airport China Southern Airlines Base Project as an example,the characteristics and networking requirements and forms of two‑way radial and double loop network power supply modes for 10 kV system are introduced,the role of double loop network power supply system in improving the reliability of power supply system is emphatically analyzed,and the key points of design and implementation are put forward combined with the actual engineering situation.

Key words：double loop network power supply;two‑way radial power supply;power supply reliability;voltage qualification rate;implementation scheme of double loop network node;substation configuration;transformer capacity;cable demarcation room

摘　要：以北京大兴国际机场南航基地项目为例，介绍10 kV系统双路放射式和双环网供电方式的特点、组网要求和形式，着重分析双环网供电系统对提高供电系统可靠性的作用，并结合实际工程情况提出设计实施要点。

关键词：双环网供电；双路放射式供电；供电可靠性；电压合格率；双环网节点实施方案；变电站配置；变压器容量；电缆分界室

中图分类号：TU852     　　　　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2021.05.002