直流集中供电技术在潍坊市城市照明建设中的试点分析

Pilot Analysis of a DC Centralized Power Supply Technology in Urban Lighting Construction in Weifang City

为加强城市照明漏电防护,潍坊市应用试点了一种适于LED路灯的直流集中供电技术。该技术采用集中式整流+分布式驱动的架构,悬浮供电方式,以提高安全性和电源效率。介绍了该直流集中供电技术原理,对专家论证意见进行了阐述,对实际应用中的照明模拟、灯具和电源检测、现场照明质量测试、漏电测试等情况进行了分析。测试数据表明,系统运行效果良好。

To strengthen electrical leakage protection of urban lighting facilities,a DC centralized power supply technology suitable for LED streetlight was piloted in Weifang.It adopts the structure of centralized rectification and distributed drive,and suspension power supply mode,which improves the safety and efficiency.This paper introduces the principle of the power supply system,describes the experts’comment on this technology,and presents an analysis of the practical application with the results of simulation,lamp and drive power test,field lighting quality test,leakage test and so on.Test data prove the effectiveness of the system.