Determination of Optimal Distributed Generation Penetration Level in Distribution Networks based on Normalized Impact Factor Score

Muhammad Syahir Turiman, Mohd Khairun Nizam Mohd Sarmin, N. Saadun, Mohd Fahri Zamri, Hamda Ali, Qawizamshah Mohammad
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引用次数: 1

Abstract

The penetration level of renewable energy (RE) including distributed generation (DG) integrated in the distribution network has been increasing in many countries. This follows widespread encouragement to use renewable energy to minimize reliance on conventional power plants to achieve net zero emissions. Malaysian energy transition targets and carbon neutral goals set by the government, lower cost of ownership of solar PV systems, and more efficient government renewable energy initiatives including Net Energy Metering (NEM) 3.0, Green Investment Tax (GITA), Large Scale Solar (LSS), and most recently the Corporate Green Power Program (CGPP) have driven the rapid development of renewable energy in the country. However, the high penetration level of distributed generation including solar PV, mini- hydro, and bio-energy has introduced several technical impacts on the operation of the distribution network including increased fault levels, voltage limit violation, reverse power flow, distribution network losses, and transformer losses. This paper analyzes the technical impacts of the high penetration level of distributed generation in medium voltage (MV) substations of the distribution network using DigSILENT PowerFactory simulation software. From the results obtained through the simulation analysis, the impact factors of fault level, voltage limit violations, reverse power flow, distribution network losses, and transformer losses have been formulated. The optimal distributed generation penetration level in distribution networks is then determined based on the highest score value of the normalized impact factor from all penetration levels.
基于归一化影响因子评分的配电网分布式发电最优渗透水平确定
在许多国家,可再生能源(RE)包括分布式发电(DG)在配电网中的渗透率不断提高。在此之前,人们普遍鼓励使用可再生能源,以尽量减少对传统发电厂的依赖,实现净零排放。马来西亚政府制定的能源转型目标和碳中和目标、较低的太阳能光伏系统拥有成本以及更高效的政府可再生能源计划,包括净能源计量(NEM) 3.0、绿色投资税(GITA)、大规模太阳能(LSS)以及最近的企业绿色电力计划(CGPP),推动了该国可再生能源的快速发展。然而,包括太阳能光伏、微型水电和生物能源在内的分布式发电的高渗透水平给配电网的运行带来了一些技术影响,包括故障水平增加、电压极限违反、反向潮流、配电网损耗和变压器损耗。本文利用DigSILENT PowerFactory仿真软件,分析了配电网中压变电所分布式电源的高穿深对技术的影响。通过仿真分析得出了故障等级、电压极限违规、反向潮流、配电网损耗和变压器损耗的影响因素。然后根据所有渗透水平的归一化影响因子的最高分确定配电网中最优分布式发电渗透水平。
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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