Analysis of Impacts on the Frequency of Electrical Systems Caused by Distributed Energy Resources

2021 Brazilian Power Electronics Conference (COBEP) Pub Date : 2021-11-07 DOI:10.1109/COBEP53665.2021.9684076

Thiago R. Barros, J. A. G. Archetti, Larissa M. Monteiro, J. G. Oliveira

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Abstract

The operation of an electric grid has become an increasing challenge due to the inclusion of Distributed Energy Resources (DERs). Thus, for development of work, the IEEE 34 Bus distribution system (modified) was modeled in the PSCAD/EMTDC software. In addition to the electrical grid, a Conventional Power Plant (CPP) was built based on the operation of a Synchronous Generator (SG), to show real dynamics in frequency analysis. A photovoltaic generation system (PV) was built to be connected to the grid under study, showing that factors such as the intermittency of solar irradiation can have a negative impact on the system, and finally, built was a Battery Energy Storage System (BESS). In this way, as contribution of the work, the behavior of the frequency of an electrical system will be analyzed when the BESS is inserted commanded by a comparison block that seeks to improve the frequency of the system in the face of disturbances imposed on it, how PV system. In addition, frequency dynamics will be compared with and without BESS.

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分布式能源对电力系统频率的影响分析

由于分布式能源(DERs)的加入，电网的运行已经成为一个越来越大的挑战。因此，为了开发工作，在PSCAD/EMTDC软件中对IEEE 34总线配电系统(修改后)进行了建模。除了电网外，还以同步发电机(SG)的运行为基础，建立了一个常规发电厂(CPP)，以显示频率分析的真实动态。构建光伏发电系统(PV)并网研究，表明太阳辐照的间歇性等因素会对系统产生负面影响，最后构建电池储能系统(BESS)。通过这种方式，作为工作的贡献，当BESS插入比较块时，将分析电力系统的频率行为，该比较块旨在改善系统的频率，面对强加给它的干扰，PV系统如何。此外，频率动态将比较与没有BESS。

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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2021 Brazilian Power Electronics Conference (COBEP)

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