Power Factor Correction of MV Microgrids by Adjusting LV Photovoltaic Inverters

Darlene J. Dullius, A. L. De Souza, R. Tonkoski, Renzo Vargas, J. Melo
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引用次数: 1

Abstract

In recent years, utilities require microgrids connected to the medium voltage distribution network to correct power factor at the point of common coupling (PCC). This paper proposes an approach based on the golden search method and the Fibonacci search method to define the photovoltaic inverters' power factor at the low voltage side of the network to achieve adequate power factor at the microgrid PCC (medium voltage). The performance of the proposed approach is evaluated using a simulation benchmark implemented using the OpenDSS COM interface in Matlab. This simulation is based on a real microgrid located at the Federal University of ABC in Santo André, Brazil, that includes nine photovoltaic systems with a total capacity of 473 kVA. The results showed that utilizing the proposed approach in microgrids can avoid operating with low power factors.
低压光伏逆变器对中压微电网功率因数的校正
近年来,公用事业公司要求连接到中压配电网的微电网在共耦合点(PCC)校正功率因数。本文提出了一种基于黄金搜索法和斐波那契搜索法的方法来定义电网低压侧光伏逆变器的功率因数,以在微电网中压处实现足够的功率因数。利用Matlab中OpenDSS COM接口实现的仿真基准测试对所提方法的性能进行了评估。这个模拟是基于一个真实的微电网,该微电网位于巴西Santo andr的ABC联邦大学,其中包括9个光伏系统,总容量为473千伏安。结果表明,在微电网中使用该方法可以避免低功率因数运行。
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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