在荒谬的大气和电网干扰的情况下,对100kW双相三相联网光伏发电系统进行建模和分析
Muhammad Hafeez Mohamed Hariri1, Mohamed Salem1, Mohamad Kamarol Mohd Jamil1
1School of Electrical and Electronic Engineering, Universiti Sains Malaysia (USM), Nibong Tebal, Penang, Malaysia.
PloS one
|June 20, 2025
概括
本研究引入了对光伏 (PV) 电网同步的级联延迟信号取消 (CDSC),提高了电网故障期间的准确性. 在可再生能源系统中,CDSC的性能优于传统的相锁循环 (PLL) 和 DSOGI同步器.
科学领域:
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
- 电力电子 电力电子 电力电子
背景情况:
- 光伏 (PV) 能源的增长需要强大的电网同步.
- 传统的相锁循环 (PLL) 在电网干扰期间难以准确.
- 精确的电网参数提取对于光伏电网同步至关重要.
研究的目的:
- 为了建模和分析级联延迟信号取消 (CDSC) 技术.
- 为了评估100千瓦电网连接的光伏系统中的CDSC性能.
- 为了在电网故障下比较CDSC与传统PLL和DSOGI.
主要方法:
- 建模一个二阶段,三阶段电网连接的光伏系统.
- 实现和模拟CDSC,PLL和DSOGI同步器.
- 在各种电网干扰和大气条件下测试系统性能.
主要成果:
- CDSC在基本频率正序列提取方面表现出卓越的准确性.
- 拟议的CDSC方法在电网故障期间显示出增强的稳定性.
- 与PLL和DSOGI相比,基准测试证实了CDSC的有效性.
结论:
- CDSC是一种可靠的光伏电网同步的有希望的技术.
- 该研究验证了CDSC在不利的电网条件下的稳定性.
- CDSC增强了可再生能源整合的稳定性和控制.
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