Design of Maximum Power Point Tracking Method Using Modified Perturb and Observation with Cuk Converter

RA JOURNAL OF APPLIED RESEARCH Pub Date : 2023-07-07 DOI:10.47191/rajar/v9i7.03

I. W. D. Pancane, Ahmad Aslih Syani Abu Zahir

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Abstract

Photovoltaic is a resource that cannot be depleted and is widely available as future energy. Photovoltaic modules are affected by the intensity of radiation from a changing sun. Therefore it takes a method to find the maximum power point of photovoltaic. One of the methods used is Maximum power point tracking (MPPT). From Photovoltaic it will be connected to a current sensor and a voltage sensor so that it is read by the microcontroller and connected to the DC-DC converter circuit. The microcontroller will be embedded with the Modified Perturb & Observe (P&O) method to adjust the voltage output from the DC-DC converter by adjusting the pulse width (dutycycle) on the PWM generated from the microcontroller. After that, the results of the converter are analyzed using a load in the form of an accumulator or battery. At the output of the converter, a current sensor and a voltage sensor will be given to determine the output of the DC-DC converter with the Cuk topology. After conducting testing and analysis, using the proposed method provides an efficiency of 83%, this is proven by the power and voltage values. Using MPPT is able to optimize the panel output power of 23.92W with an accumulator load of 12 Volts.

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基于Cuk变换器的修正摄动与观测的最大功率点跟踪方法设计

光伏发电是一种取之不尽、用之不竭的资源，可以作为未来能源广泛使用。光伏组件受到太阳变化的辐射强度的影响。因此需要一种寻找光伏最大功率点的方法。使用的方法之一是最大功率点跟踪(MPPT)。从光伏，它将连接到电流传感器和电压传感器，使其被微控制器读取，并连接到DC-DC转换电路。微控制器将嵌入改进的扰动与观察(P&O)方法，通过调整微控制器产生的PWM的脉宽(占空比)来调整DC-DC转换器的电压输出。之后，使用蓄电池或电池形式的负载分析转换器的结果。在转换器的输出端，一个电流传感器和一个电压传感器将被用来确定具有Cuk拓扑的DC-DC转换器的输出。经过测试和分析，使用所提出的方法提供了83%的效率，这是由功率和电压值证明。使用MPPT可以优化面板输出功率为23.92W，蓄电池负载为12伏。

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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RA JOURNAL OF APPLIED RESEARCH

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