南京低压交直流混合微电网研究及试点应用

Research and Application of Low Voltage AC/DC Hybrid Microgrid in Nanjing

在论述了国内外交直流混合微电网发展现状的基础上,研究了交直流混合微电网电压等级的选取、接地模式、典型接线模式,并对交流、直流供电模式的优劣利弊分别做了比较和研究,详细阐述了南京众彩物流园区低压交直流混合微电网的构建,通过对园区内现状用电设备进行梳理获得了科学、合理的优化方案,经论证取得了明显的经济效益。

This paper discusses the domestic and international development status of the AC/DC hybrid microgrid,studies the selection of voltage level,grounding mode,and typical connection mode of AC/DC hybrid microgrid is studied,compares the advantages and disadvantages of AC and DC power supply mode.This paper also expounds the construction of the low voltage AC/DC hybrid microgrid in Nanjing Zhong Cai Logistic Park,which obtains the scientific and reasonable optimization scheme and verified economic benefit through the analysis of the current power equipment.