光伏電池最大功率跟蹤算法的研究
作者:馬秀娟 吳佳宇 上傳時(shí)間:2009/6/24 11:36:11
摘要:根據(jù)光伏電池的工程數(shù)學(xué)模型,在光照強(qiáng)度變化條件下光伏電池輸出特性進(jìn)行了研究。結(jié)果表明,光伏電池的輸出特性呈非線性,功率最大值只在某一特定點(diǎn)上。分析了傳統(tǒng)的電導(dǎo)增量法的特點(diǎn),提出了改進(jìn)的電導(dǎo)增量法。實(shí)驗(yàn)表明,從跟蹤速度和精度方面較傳統(tǒng)方法都有提高。
敘詞:光伏陣列 最大功率跟蹤 電導(dǎo)增量法
Abstract:According to the engineering mathematic model of photovoltaic cell, the output characteristics of photovoltaic cell in light intensity variation has been researched. The results showed that the nonlinear output characteristics of photovoltaic cell. The maximum value of power only existed in a specific point. After analyzing features of traditional incremental conductance algorithm, the improved incremental conductance algorithm was presented. Experiments showed that its better than the traditional method in tracking speed and accuracy.
Keyword:Photovoltaic array, Maximum power point tracking, Incremental conductance algorithm
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