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首页> 外文期刊>Energy Conversion, IEEE Transactions on >Evaluation of the “Hill Climbing” and the “Incremental Conductance” Maximum Power Point Trackers for Photovoltaic Power Systems
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Evaluation of the “Hill Climbing” and the “Incremental Conductance” Maximum Power Point Trackers for Photovoltaic Power Systems

机译：评估光伏电源系统的“爬坡”和“增量电导”最大功率点跟踪器

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摘要

Maximum power point tracking (MPPT) is an important function in all photovoltaic (PV) power systems. The classical “hill climbing” and “incremental conductance” MPPT algorithms are widely applied in many papers and applications. Both algorithms perturb the operating conditions of the PV array and detect the changes in generated power. Since the detected change in generated power also could be a result of changes in irradiance, both algorithms are prone to failure in case of large changes in irradiance. This paper starts to discuss the size of the perturbation of the operating conditions for both algorithms, based on the single-diode model. The result is used to select the updating frequency for the two algorithms, in order not to run away under certain dynamic conditions. Both algorithms are implemented in an inverter and tested over 16 days of simultaneous operation. Basic statistical procedures, the paired t-test, have been applied to the data with the conclusion that the two algorithms perform equally good.
机译：最大功率点跟踪（MPPT）是所有光伏（PV）电力系统中的重要功能。经典的“爬山”和“增量电导” MPPT算法广泛应用于许多论文和应用中。两种算法都会扰乱光伏阵列的运行条件，并检测所产生功率的变化。由于检测到的发电功率变化也可能是辐照度变化的结果，因此在辐照度变化较大的情况下，两种算法都容易失败。本文开始讨论基于单二极管模型的两种算法的工作条件扰动的大小。结果用于选择两种算法的更新频率，以免在某些动态条件下失控。两种算法均在逆变器中实现，并经过16天的同时运行测试。基本的统计程序，即配对t检验，已应用于数据，得出的结论是两种算法的效果相同。

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