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智能电网中光伏发电MPPT仿真分析 预览 被引量:8

Simulation Analysis on Photovoltaic Generation with MPPT in Smart Grid
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摘要 根据光伏阵列的数学模型搭建了多功能光伏阵列仿真模块.为进一步对光伏阵列最大功率跟踪方法的分析与研究打下了基础。针对传统最大功率跟踪方法的振荡与跟踪速度之间的矛盾以及误判问题,提出了基于变步长的改进MPPT算法,并通过仿真实例验证了该方法的准确性和优越性。 New energy power generation is an essential part of smart grid, and PV generation is one of the main forms of the new energy generation. In order to give full play to the efficiency of photovoltaic cell, photovoltaic generation device should be of maximum power tracking function. Firstly, this article gives the multifunctional photovoltaic array simulation module based on the mathematical model of photovoltaic array structures, which is a basis for the further analysis and research. Secondly, the traditional maximum power tracking method has two problems. One is the contradiction between tracking speed and oscillation, the other is maximum power point misjudgment, so this paper puts forward the improved MPPT algorithm based on variable step-size, and proves the accuracy and superiority of the method through the simulation example.
作者 刘承佳 李鹏 李婉娉 吴家乐 LIU Cheng-jia, LI Peng, LI Wan-ping, WU Jia-le( 1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources (North China Electric Power University), Baoding 071003, China; 2. Suzhou Institute of North China Electric Power University, Suzhou 215000, China; 3. Ertan Hydropower Development Company Limited, Chengdu 610051, China)
出处 《陕西电力》 2011年第12期 31-35,共5页 Shanxi Electric Power
基金 国家自然科学基金项目(50977029).
关键词 光伏发电 最大功率跟踪 变步长 仿真 photovohaic generation maximum power point tracking variable step-size simulation
作者简介 刘承佳(1987-),男,辽宁沈阳人,硕士研究生,主要研究方向为新能源并网发电与微网技术。
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