电力质量优化框架用于三相微电网,在非线性负载下与电网连接的太阳能光伏和电池存储
Muhammad Saleh Waseem Abbasi1, Syed Ali Abbas Kazmi1, Moatasim Billah1
1US-Pakistan Center for Advanced Studies in Energy (USPCAS-E), National University of Sciences and Technology (NUST), Islamabad, Pakistan.
Scientific reports
|November 28, 2025
概括
这项研究优化了微电网电力质量,通过智能配对太阳能光伏和电池存储等来源与过器进行智能配对. 它确保符合IEEE 519-2014等标准,提高可靠性.
科学领域:
- 电气工程 电气工程
- 电力系统 电力系统
- 整合可再生能源的整合
背景情况:
- 非线性负载和转换器主导的系统降低了可再生能源集成微电网的电力质量.
- 现有的解决方案往往缺乏动态适应变化的负载和源条件.
- 保持总波扭曲 (THD) 低于IEEE 519-2014标准对于电网稳定性至关重要.
研究的目的:
- 开发和评估微电网的协调源-过器控制框架.
- 通过每小时选择最佳的源-过器组合来优化电源质量.
- 为了确保THD符合最低限度的活跃过干预.
主要方法:
- 一个100千瓦的网联太阳能光伏阵列,60千瓦时的电池储能系统 (BESS) 和公用事业电网的建模.
- 关闭式主动功率过器 (SAPF) 和混合 (SAPF + 被动LC) 过器的实施.
- 使用遗传算法选择最低的THD源并仅在必要时应用过时进行每小时优化.
主要成果:
- 在重型非线性负载下,BESS + SAPF配置保持了5%以下的THD.
- 太阳能光伏系统需要SAPF与负载电流参考适度的扭曲水平.
- 公用事业电网需要混合过,以在显著的非线性负载下 (≥50%),将THD从24%以上降低到3%以下.
结论:
- 拟议的优化框架成功地确保了微电网中的每小时THD合规性.
- 该方法提高了微电网电力质量,并支持可靠的可再生能源整合.
- 这项工作有助于实现联合国可持续发展目标7 (负担得起和清洁能源).
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