论文标题

在DER托管增强方面,中型电压背对背转换器的电网价值分析

Grid Value Analysis of Medium Voltage Back-to-Back Converter on DER Hosting Enhancement

论文作者

Zhu, Xiangqi, Singh, Akanksha, Mather, Barry

论文摘要

本文介绍了可以通过增加分布式能源资源(DER)的利用率和操作条件改善的利用率来实现的值分析。已经设计了一种系统的,可转让和可扩展的方法论,可以从三个角度分析和量化DER的增加:1)与基本分配电路的能力相比,DER代发电的减少减少,2)减少DER生成的尺寸降低了降低DER宿主所需的能量存储所需的能量存储所需的能量存储。在案例研究中,提出的方法应用于两个实用程序分布系统,以分析和量化MVB2B转换器的网格值,安装在分布电路中,并提供给太阳能光伏(PV)DERS。分析结果表明,当MVB2B转换器连接两个相邻分布系统时,MVB2B转换器可以为PV托管增强提供显着值。基于此案例研究,本文分析并总结了MVB2B转换器的大约实现的网格值,用于以客户类别的不同股份主导的配电系统。

This paper presents an analysis of the value that can be realized by medium-voltage back-to-back (MVB2B) converters in terms of increased utilization rate of distributed energy resource (DER) and the improvement in operational conditions. A systematic, transferrable, and scalable methodology has been designed to analyze and quantify the increased DER value from three perspectives: 1) curtailment reduction of the DER generation, 2) size reduction of the energy storage needed to otherwise realize DER hosting levels, and 3) hosting capacity improvement of DER compared to base distribution circuit capability. In the case study, the proposed methodology is applied to two utility distribution systems for analysis and quantification of the grid value of the MVB2B converter, installed in the distribution circuit, and provided to the solar photovoltaic (PV) DERs. The analysis results demonstrate that the MVB2B converter can deliver significant value to PV hosting enhancement of two adjacent distribution systems when they are connected by the MVB2B converter. Based on this case study, this paper analyzes and summarizes the approximate realized grid value of the MVB2B converter for distribution systems dominated by different shares of customer classes.

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