提高电源质量和电网稳定性 - - 通过使用串联波器来连接光伏系统
Husam Ali Hadi1, Abdallah Kassem2, Hassan Amoud1,3
1Ecole Doctoral, Lebanese University, Lebanon.
Heliyon
|November 18, 2024
概括
一个新的直流侧系列活性过器通过提高电源质量和稳定性来增强连接到电网的光伏系统. 这种解决方案显著减少了波扭曲,并改善了可再生能源整合的动态性能.
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
背景情况:
- 连接到电网的光伏 (PV) 系统对于可再生能源至关重要,但面临电力质量和稳定性的挑战.
- 像被动和主动过器这样的现有解决方案在连接点解决了这些问题.
研究的目的:
- 为联网光伏系统引入和评估直流侧系列活性过器.
- 为了提高这些系统的功率质量,稳定性和动态性能.
主要方法:
- 一个使用电感器,电容器和晶体管-二极管对的新型系列活性过器设计.
- 通过侧面脉冲宽度调制 (SPWM) 实现的控制.
- 使用MATLAB/Simulink进行系统建模和验证,包括转移函数分析和Bode图.
主要成果:
- 在逆变器输出处的电压和电流的总波扭曲 (Thd%) 显著减少.
- 改善了短暂反应,减少了最大超越.
- 通过增加增益和相位边缘来证明增强的系统稳定性.
结论:
- 拟议的直流侧系列活性过器有效地提高了联网光伏系统的电源质量和稳定性.
- 过器提高了可再生能源整合的动态性能和整体系统可靠性.
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