光伏系统数字控制MPPT的单片机查找表

2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON) Pub Date : 2018-11-01 DOI:10.1109/RTUCON.2018.8659900

Mahmoud Aref, Ismaiel Ahmed, V. Oboskalov, A. Mahņitko, Aleksandrs Gavrilovs

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引用次数: 6

摘要

本文旨在研究由SPWM控制的光伏系统的最大ppt, SPWM是通过比较正弦波和变频锯齿波产生的。采用摄动观测(P&O)方法对光伏系统进行最大功率控制。实现变辐照度光伏系统MPP的简单快速方法是数字控制，通过对每个辐照度值达到最大功率的最佳电压值的查找表得到最大功率点，并将其作为单片机的数字控制信号。多级三相逆变器的输出电压谐波采用SPWM控制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Microcontroller Look-up Table of Digital Control MPPT of PV System

This paper is aimed at investigating MPPT of PV system controlled by SPWM which is generated by comparing sinusoidal wave with variable frequency sawtooth wave. Perturb and Observe (P&O) method is used for MPPT control of PV system. The simple and fast method to get MPP of PV system with variable irradiation is digital control where the maximum power point is obtained from look-up table for the values of optimum voltage that achieve the maximum power for each irradiance value is used for digital control signal in microcontroller. The output voltage harmonic of multi-level three-phase inverter is controlled using SPWM control.

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来源期刊

2018 IEEE 59th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)

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