分布式光伏发电系统接线方案优化  

Optimization of wiring scheme for distributed photovoltaic power generation system

作　　者：翟学 郭紫昱 曲名新 吴俊鹏 陈宝平 ZHAI Xue;GUO Ziyu;QU Mingxin;WU Junpeng;CHEN Baoping(Power China Hubei Engineering Co.,Ltd.,Wuhan 430040,China;State Grid Economic and Technological Research Institute Co.,Ltd.,Beijing 10010,China;State Grid Henan Electric Power Company Zhengzhou Power Supply Company,Zhengzhou 45000,China;Central Southern China Electric Power Design Institute of China Power Engineering Consulting Group Co.,Ltd.,Wuhan 430040,China)

机构地区：[1]湖北省电力勘测设计院有限公司,湖北武汉430040 [2]国网经济技术研究院有限公司,北京100031 [3]国网河南省电力公司郑州供电公司,河南郑州450000 [4]中国电力工程顾问集团中南电力设计院有限公司,湖北武汉430040

出　　处：《电气应用》2020年第12期87-93,共7页Electrotechnical Application

摘　　要：近年来,光伏发电行业发展迅猛,装机容量经历了爆发式的增长。由于国家政策的影响,鼓励发展分布式光伏发电,分布式光伏发电也得到了快速发展。低压并网的分布式光伏发电系统一般采用组串式逆变器,通过低压400 V系统并入电网,光伏发电系统中各设备的布置、电缆的选型对于整个光伏发电系统的投资具有决定性的作用。对分布式光伏发电系统中设备布置及电缆选型进行了分析及推导计算,编制了光伏系统接线方案优化计算书,能自动计算不同光伏发电系统接线方案的各项指标,并通过实际工程算例说明了计算书的可行性。In recent years,the industry of photovoltaic power generation has developed rapidly,of which the installed capacity has experienced explosive growth.The development of distributed photovoltaic power generation is supported by national policies,achieving a high growth rate.The string inverters are generally used in distributed photovoltaic power generation systems connected to 400 V low voltage grid.The arrangement of various equipment and selection of cable in the photovoltaic power generation system plays an important role in the investment of the entire photovoltaic power generation system.The layout of equipment and selection of cable in the distributed photovoltaic power generation system are analyzed and deduced,and the optimization calculation book of the wiring scheme of photovoltaic system is compiled.The index parameters of different wiring schemes can be automatically calculated.The feasibility of the optimization calculation book is illustrated by a practical engineering example.

关 键 词：分布式光伏发电 设备布置 接线方案优化 优化计算书 

分 类 号：TM615[电气工程—电力系统及自动化] TM862