基于多功能电压和电流的电力质量提升在连接到电网的微电网中,考虑到波
Ehsan Akbari1, Abbas Zare Ghaleh Seyyedi2
1Department of Electrical Engineering, Mazandaran University of Science and Technology, Babol, Iran.
Heliyon
|February 26, 2024
概括
一种新型的多功能网联逆变器 (MFGTI) 通过补偿电压,电流和波扭曲来提高可再生能源系统的电力质量. 这种先进的MFGTI结构提高了分布式发电和微电网的电网稳定性和可靠性.
科学领域:
- 电气工程 电气工程
- 电力系统工程 电力系统工程
- 整合可再生能源的整合
背景情况:
- 传统的多功能网联逆变器 (MFGTIs) 在解决分布式发电 (DG) 和微电网中的基于电压的电力质量问题方面存在局限性.
- 可再生能源 (RES) 的整合需要强大的解决方案来提高电力质量.
研究的目的:
- 提出一种新的MFGTI结构,以提高功率质量补偿,解决电压,电流和波扭曲.
- 提高连网逆变器的操作灵活性和干扰补偿能力.
主要方法:
- 一个新的MFGTI结构,用于并行或串行电网连接的双向开关.
- 基于电网条件和负载要求进行电压和电流调整的数学分析.
- 使用二级序列过器 (SOSF) 实现分流补偿,并使用阻尼PI调节器进行序列补偿.
- 一个三级层次的层次控制方案,包括掉落控制和解双同步参考框架 (DDSRF) 控制器.
主要成果:
- 拟议的MFGTI有效地弥补了平衡/不平衡的电压膨胀/松,波和中断.
- 双向开关可以实现各种操作模式,以适应电网中断.
- 在MATLAB/SIMULINK中的模拟验证了补偿效率和过渡能力.
结论:
- 新的MFGTI结构显著提高了总局系统和微电网中的电力质量.
- 建议的控制策略和补偿方法为各种电网干扰提供了可靠的解决方案.
- 这项研究为可再生能源的稳定和可靠整合提供了一个有希望的方法.
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