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MPPT Control of Standalone -PV System With Battery as an Energy Storage Element

机译:以电池为储能元件的独立光伏系统的MPPT控制

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摘要

In this project the main focus is on using MPPT control of standalone-PV with battery to supply power to the loads. The system comprises of a battery, PV panel and a boost converter circuit. The project consists of both software and hardware design. The boost converter tracks the maximum power point(MPP) of the PV panel by controlling the duty cycle and giving it as gate pulse to the boost converter whereas the function of battery is to maintain a constant dc-link voltage. The inverter is used to supply ac power to the loads. The filter is also designed to reduce the harmonics and to obtain perfect sinusoidal output, which may otherwise damage the loads, so that total harmonic distortion is according to IEEE STANDARD. Perturb and observe method is used as MPPT (Maximum Power Point Tracking) control algorithm. MATLAB SIMULINK is used to create a simulation model of the Standalone-PV system and the output is verified. After verification of simulation, the whole set up is designed in hardware and it is tested to run according to the desired parameters.
机译:在此项目中,主要重点是使用独立PV带电池的MPPT控制为负载供电。该系统包括电池,光伏面板和升压转换器电路。该项目包括软件和硬件设计。升压转换器通过控制占空比并将其作为栅极脉冲提供给升压转换器来跟踪PV面板的最大功率点(MPP),而电池的功能是保持恒定的直流链路电压。逆变器用于为负载提供交流电源。滤波器的设计还可以减少谐波并获得理想的正弦输出,否则可能会损坏负载,因此总谐波失真符合IEEE标准。摄动和观察方法用作MPPT(最大功率点跟踪)控制算法。 MATLAB SIMULINK用于创建Standalone-PV系统的仿真模型,并验证输出。经过仿真验证后,整个设置将在硬件中进行设计,并根据所需参数进行测试。

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