并网光伏发电系统对电网电能质量的影响分析  

Grid-Connected Photovoltaic Systems Impact Analysis on the Electrical Energy Quality of the Grid

作　　者：钟新熙 ZHONG Xinxi(Guoneng Daduhe Pubugou Power Generation Co.,Ltd.,Ya’an 625399,China)

机构地区：[1]国能大渡河瀑布沟水力发电总厂,四川雅安625399

出　　处：《通信电源技术》2024年第5期65-67,共3页Telecom Power Technology

摘　　要：文章旨在探讨并网光伏发电系统对电网电能质量的影响,并提出改进方法。通过深入分析光伏发电系统的原理、组成、与电网的关联,明确天气条件、系统容量、电网结构及并网控制策略等因素对电网电能质量的影响,并提出优化并网控制技术、应用电网电能质量补偿装置、进行高效逆变器设计与改进等策略,能够有效降低电网电能质量的波动,促进清洁能源平稳接入电网,为电力系统的可持续发展提供实用性的技术支持。The paper aims to discuss the influence of grid-connected photovoltaic power generation system on power grid power quality and propose improvement methods.Through the in-depth analysis of the principle,composition and correlation of the photovoltaic power generation system,it is found that the weather conditions,system capacity,grid structure,grid connection and control strategy have an impact on the power quality.Therefore,the strategies of optimizing grid-connected control technology,applying power-quality compensation device and designing and improving high-efficiency inverter are put forward,which can effectively reduce the fluctuation of power-quality of the power grid,promote the smooth access of clean energy to the power grid,and provide practical technical support for the sustainable development of the power system.

关 键 词：并网光伏发电系统 电网电能质量 影响因素 改进方法 

分 类 号：TM711[电气工程—电力系统及自动化]