四、光伏板示踪剂

2021 7th International Conference on Engineering, Applied Sciences and Technology (ICEAST) Pub Date : 2021-04-01 DOI:10.1109/ICEAST52143.2021.9426264

Wichit Sirichote, Chawin Wuttikornkanarak, Siwa Srathongkao, Saisudawan Suttiyan, Nuttakrit Somdock, B. Klongratog

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引用次数: 1

摘要

研制了一种用于测量光伏板的电流-电压特性的装置。该电路采用基于Arm的32位单片机STM32F103C8构建。功率MOSFET用作电子负载。电子负载是通过在0到+3V之间改变栅源电压来控制的。电压通过面板输出端的分压器检测。电流由高瓦数电流传感器检测，0.1欧姆10瓦。控制固件扫描栅极电压并以56个采样点捕获电流-电压信号。电流-电压曲线绘制在128x64像素OLED显示器上。结果显示了最大功率点(PMAX)、开路电压(Voc)、短路电流(Isc)和填充因子(FF)。

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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IV Tracer For Photovoltaic Panel

A device used for measuring the current-voltage characteristic of the photovoltaic panel has been developed. The circuit is built with the STM32F103C8, Arm based 32-bit microcontroller. The power MOSFET is used as the electronic load. The electronic load is controlled by varying the gate-source voltage between 0 to +3V. The voltage is detected with a voltage divider across the Panel’s output terminal. The current is detected by the high wattage current sensor, 0.1 Ohms 10 Watt. The control firmware sweeps the gate voltage and captures the current-voltage signal with 56 sampling points. The current-voltage curve is plotted on the 128x64 pixels OLED display. The results show the maximum power point (PMAX), open-circuit voltage (Voc), short-circuit current (Isc), and fill factor (FF).

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来源期刊

2021 7th International Conference on Engineering, Applied Sciences and Technology (ICEAST)

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