基于三相逆变器的光伏并网系统的优化设计  

Optimization Design of Photovoltaic Grid-connected System Based on Three-phase Inverter

作　　者：王义 Wang Yi(School of Electrical Engineering and Automation,Henan Polytechnic University,Jiaozuo 454000,China;Luoyang Railway Information Engineering School,Luoyang 471000,China)

机构地区：[1]河南理工大学电气工程与自动化学院,河南焦作454000 [2]洛阳铁路信息工程学校,河南洛阳471000

出　　处：《黑龙江科学》2025年第4期120-123,共4页Heilongjiang Science

摘　　要：随着全球能源转型的推进,光伏并网发电系统在可再生能源领域扮演着日益重要的角色,但现有系统在效率、可靠性和经济性等方面仍存在提升空间。针对基于三相逆变器的光伏并网系统进行了全面的优化设计,通过对光伏阵列、DC-DC升压变换器、三相逆变器、滤波及并网模块、控制与保护模块等的深入分析,提出一套系统化的优化方案。实验结果表明,优化后的系统在MPPT效率、动态响应、谐波抑制和低电压穿越能力等关键指标上均取得显著提升,此结果为提高光伏并网系统性能和推动其大规模应用提供了重要的理论依据和实践指导。With the advancement of global energy transition,grid-connected photovoltaic power generation system is playing an increasingly important role in renewable energy.But there are some problems need to be improved in efficiency,reliability and economics,etc.The study conducts comprehensive optimization design of photovoltaic grid-connected system based on three-phase inverter,and proposes a set of systematic optimization scheme with in-depth analysis of photovoltaic array,DC-DC boost converter,three-phase inverter,filter and grid-connected module,control and protection module.The results of the experiment show that the optimized system has achieved significant improvement in MPPT efficiency,dynamic response,harmonic suppression and low voltage crossing ability,etc.The results provide an important theoretical basis and practical guidance for the promotion of the performance of photovoltaic grid-connected system and their large-scale application.

关 键 词：光伏并网系统 三相逆变器 优化设计 

分 类 号：TM615[电气工程—电力系统及自动化]