李博通（天津大学电气与自动化工程学院，天津市　300072）

Power Supply and Distribution System Design for the Sewage Treatment Plant

Ying Ying（Capital Aihua（Tianjin）Municipal & Environmental Engineering Co.，Ltd.，Tianjin 300060，China）

Li Botong（School of Electrical Engineering & Automation，Tianjin University，Tianjin 300072，China）

Abstract Aimed at the characteristics of electrical equipment for sewage treatment plant，design principles of power supply and distribution system are presented. Combining specific engineering project，design scheme for the power supply and distribution system of the sewage treatment plant is introduced; following the processes of sewage treatment plant，and taking into account factors such as econimic and implementation difficulty，design problems to be considered and the specific implementation methods are given.

Key words　Sewage treatment plant Power supply and distribution system Design scheme Lightning protection and grounding Cable laying

摘　要　针对污水处理厂电气设备的特点，提出供配电系统的设计原则。结合工程案例，介绍了污水处理厂供配电系统的设计方案。遵循污水处理厂各工艺流程，兼顾其经济性及实施难度等因素，给出了设计中需考虑的问题及具体实施方法。

关键词　污水处理厂　供配电系统　设计方案　防雷接地　电缆敷设