基于模糊Mppt变流器的光伏系统建模与仿真

2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE) Pub Date : 2018-07-01 DOI:10.1109/ICRIEECE44171.2018.9009374

J. Priyadarshini

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引用次数: 8

摘要

为了应对日益增长的能源需求，需要开发一种利用最大功率点跟踪器(MPPT)从太阳能模型中提取最大功率的高效光伏发电系统。本文主要研究了基于模糊逻辑的多目标跟踪系统的实现，并与传统的P&O多目标跟踪系统进行了比较。首先在MATLAB/Simulink中对基于模糊逻辑的升压变换器的光伏模块MPPT和P&O MPPT进行了仿真。仿真结果表明，FMPPT能够更准确、更快速地跟踪最大功率点。在MATLAB/Simulink中对二次升压变换器(QBC)和基于模糊逻辑的升压变换器(FMPPT)在不同太阳辐照下的性能进行了仿真。仿真结果表明，与Boost变换器相比，QBC具有高的电压转换率和更小的瞬态振荡。

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Modelling & Simulation Of Pv System With Fuzzy Mppt Based Converter

In order to cope with increased demand of energy, an efficient photovoltaic (PV) power system is to be developed which extract the maximum power from the solar model by using Maximum Power Point Tracker (MPPT). This research is focused on the implementation of Fuzzy Logic based MPPT which is compared with conventional P&O MPPT. In first stage, PV Module with Boost Converter with Fuzzy Logic based MPPT and P&O MPPT are simulated in MATLAB/Simulink. From the simulation it is founded that FMPPT can track the Maximum Power Point (MPP) with more precisely and firstly. In second stage Quadratic Boost Converter (QBC) & Boost converter with fuzzy logic based MPPT controller (FMPPT) in different solar irradiation is simulated in MATLAB/Simulink. From simulation it is observed that QBC has high voltage conversion ratio & less oscillation in transient state compared to Boost converter.

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来源期刊

2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE)

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