孙付杰（同圆设计集团有限公司，济南市 250101）

Study on DC Distribution and Voltage Level Selection for Indoor LED Lighting

SUN Fujie（Shandong Tong Yuan Design Group Co.，Ltd.，Ji’nan 250101，China）

    Abstract：On account of the special structure of LED luminaire，the distribution scheme and feasibility of 110 V voltage of indoor LED lighting are determined considering the effect of DC distribution current on human body and voltage loss；and the 110 V voltage is compared with AC 220 V voltage in the safety and economical efficiency.

    Key words：LED luminaire；DC distribution；effects of current on human body；voltage loss；voltage level；harmonic wave；economical efficiency；safety

  摘 要：针对LED灯具的特殊结构，通过直流配电电流对人体的效应和电压损失两方面确定室内LED照明系统的配电方案及采用110 V电压等级的可行性；同时与AC 220 V电压供配电从安全性、经济性方面进行比较。

  关键词：LED灯具；直流配电；电流对人体效应；电压损失；电压等级；谐波；经济性；安全性

     中图分类号：TU852                文献标识码：A

      doi：10. 3969 / j. issn. 1003 - 8493. 2019. 07. 008