电力控制系统设计-分布式太阳能并网研究.docx

电力控制系统设计-分布式太阳能发电并网研究 摘 要 太阳是人类最大的宝藏，谁能掌握太阳，谁就能拥有未来。 本文对分布式光伏电站自动化系统和并网过程进行了简单的概括，本文的主要内容均来自MATLAB仿真和光伏电站现场建设和运营数据。本文对科普光伏电站自动化技术，提高系统应用水平，提高光伏电站企业运营维护人员技术水平和业务素质，保障电网安全稳定运行有着积极的促进作用。 本文包括光伏电站发电量预测技术、光伏最大功率跟踪（MPPT）技术、逆变器并网控制技术等内容。第一部分简要介绍了光伏产业情况，光伏电站现状与发展趋势，描述了光伏电站系统的结构，并对行业前景进行了简要概述；第二部分主要介绍了光伏电站能量转化模型，提出光伏电站平均发电量曲线可以代表光电能量转化效率，并对光伏电站发电量基于时间序列的算法预测研究；第三部分是构建光伏发电并网系统，着重实现MPPT技术在光伏发电系统的作用。第四部分是以15KW的光伏电站为案例，研究分布式光伏太阳能并网发电系统推广的可行性。 随着国家新能源开发和布局，以太阳能为代表的新能源发电必将迎来新的快速发展时期，光伏发电正在步入前途光明的大道上。 关键词：光伏,发电预测,时间序列模型,MATLAB Design of power control system-Research on grid connection of distributed solar power generation Abstract The sun is the greatest treasure of mankind. Whoever can control the sun will have a future. This article gives a brief overview of the distributed photovoltaic power plant automation system and the grid connection process. The main content of this article comes from MATLAB simulation and photovoltaic power plant site construction and operation data. This article has a positive role in promoting the popularization of science photovoltaic power plant automation technology, improving the system application level, improving the technical level and business quality of the operation and maintenance personnel of photovoltaic power plant enterprises, and ensuring the safe and stable operation of the power grid. This article includes photovoltaic power generation forecasting technology, photovoltaic maximum power tracking (MPPT) technology, inverter grid-connected control technology, etc. The first part briefly introduces the situation of the photovoltaic industry, the status and development trend of photovoltaic power plants, describes the structure of photovoltaic power plant systems, and gives a brief overview of the industry prospects; the second part mainly introduces the energy conversion model of photovoltaic power plants, and proposes the average power generation of photovoltaic power plants The quantity curve can represent the photoelectric energy conv