基于I-V曲线特性的光伏系统稳定电力储备控制方法

2019 10th International Power Electronics, Drive Systems and Technologies Conference (PEDSTC) Pub Date : 2019-02-01 DOI:10.1109/PEDSTC.2019.8697261

Farshad Soltanian

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引用次数: 3

摘要

光伏电站通常采用最大功率点跟踪(MPPT)模式，以实现向电网输出功率的最大化。随着光伏电站安装数量的增加，系统中出现了新的挑战，如过载、过电压和电压干扰期间的运行。因此，对增加辅助服务的需求增加了光伏系统的电力储备。本文利用光伏板的I-V特性，采用稳定算法在MPP右侧恒电模式下运行，不存在不稳定问题。在MATLAB/Simulink中对100 KW光伏系统进行了仿真，考虑了辐照度快速变化下的运行情况。

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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A Stable Power Reserve Control Method in Photovoltaic Systems Using I-V Curve Characteristics

Photovoltaic power plants usually work in maximum power point tracking (MPPT) mode to maximize the output power that deliver to the grid. By increasing the number of installed PV plants, new challenges have emerged in the system such as overloading, overvoltages, and operation during voltage disturbances. So the need for increased ancillary services imposes power reserves in the photovoltaic systems. In this paper, a stable algorithm is used to operate in constant power generation (CPG) mode at the right side of the MPP without any instability problems by using I-V characteristic of the PV panel. A 100 KW PV system has been simulated in MATLAB/Simulink and the operation under a fast change in irradiance has been considered.

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2019 10th International Power Electronics, Drive Systems and Technologies Conference (PEDSTC)

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