增加可再生能源透率对电力系统总线的电压不稳定性趋势的影响评估,使用基于QV的指数
Bukola Babatunde Adetokun1,2, Christopher Maina Muriithi3, Joseph Olorunfemi Ojo4
1Department of Electrical and Electronics Engineering, Nile University of Nigeria, Abuja, Nigeria. jesutunde@gmail.com.
Scientific reports
|June 16, 2023
概括
一个新的临界电压反应功率比率 (CVQR) 指数有效地根据由于可再生能源 (RE) 集成而导致的电压不稳定性风险对电力系统总线进行排名. 一个正的CVQR值信号潜在的电压崩,指导电网管理策略.
科学领域:
- 电气工程 电气工程
- 电力系统分析 分析 分析
- 整合可再生能源的整合
背景情况:
- 越来越多的可再生能源 (RE) 透给电力系统的电压稳定带来了挑战.
- 评估电压不稳定的现有方法可能无法完全捕捉电力发电集成电网的动态.
研究的目的:
- 引入和验证一个新的指数,即临界电压-反应功率比率 (CVQR),用于评估高RE透率的电力系统中的电压不稳定性趋势.
- 根据其随着可再生能源发电增加而对电压不稳定性的脆弱性,对电力系统总线进行排名.
主要方法:
- 开发基于QV的临界电压反应功率比率 (CVQR) 指数.
- 使用DIGSILENT PowerFactory模拟可再生能源整合场景.
- 使用MATLAB进行分析和验证,将CVQR与五个已建立的指数进行比较.
- 在IEEE 14-bus和IEEE 39-bus新英格兰系统上进行测试.
主要成果:
- 根据CVQR指数准确地识别和排名公共汽车根据他们的电压不稳定性趋势在增加的RE透下.
- 一个正的CVQR值 (CVQR>0) 可靠地表明即将发生的电压崩情况.
- 与五个常用的指数相比,拟议的指数显示出更高的准确性.
结论:
- CVQR指数是评估RE集成电力系统中电压不稳定的可靠工具.
- 通过CVQR提供的公共汽车排名可以告知负载和补偿装置的战略放置,以提高电网稳定性.
- CVQR指数适用于各种电力系统网络和场景.
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