基于双树波段变换的先进自适应控制,用于光伏电池混合微电网系统的无过渡
Buddhadeva Sahoo1, Mohammed M Alhaider2
1Department of Electrical and Electronics Engineering, SR University, Warangal, Telangana, 506371, India. buddhadeva@sru.edu.in.
Scientific reports
|July 2, 2025
概括
本研究介绍了混合微电网的先进自适应控制 (AAC),提高了电力质量和稳定性. 这种新方法确保了网格跟踪和网格形成模式之间的无过渡,从而提高了系统的整体性能.
科学领域:
- 电气工程 电气工程
- 电力系统工程 电力系统工程
- 控制系统 控制系统
背景情况:
- 混合微电网 (HMG) 需要强大的控制来实现无运行和可靠的电力质量.
- 管理网格跟踪和网格形成模式之间的过渡对于HMG的稳定性至关重要.
- 像光伏 (PV) 系统等可再生能源的波动需要先进的控制策略.
研究的目的:
- 引入一种先进的自适应控制 (AAC) 技术,用于HMG的同步控制器.
- 加强能源管理,确保在电网后续和电网形成运行模式之间无过渡.
- 在各种干扰条件下提高功率质量 (PQ) 和动态稳定性.
主要方法:
- 实现基于双树波波变换 (DTWT) 的电流控制以实现网格遵循模式.
- 使用同步控制器,在电网形成模式下顺利过渡到电压控制.
- 开发一种与光伏最大功率点跟踪 (MPPT) 相关的创新电池控制策略,并由AAC计划规范.
主要成果:
- 软件验证显示,DTWT-AAC显著增强了PQ,将总波扭曲 (THD) 降低了高达99.82%,并实现同步时间低至0.02秒.
- 与DWT-AC相比,实时验证表明DTWT-AAC可以将THD从5.3%降低到1.9%,并将同步响应时间从0.9秒提高到0.2秒.
- 拟议的AAC方法在PQ,动态稳定性和逆变器故障,发电量变化和模式转换期间的稳定性方面表现优越.
结论:
- 拟议的DTWT-AAC技术为HMG提供了卓越的性能,提高了功率质量和动态稳定性.
- 同步控制器有效地管理操作模式的转换,确保系统的稳定性.
- 开发的控制策略非常适合实时应用和未来的电网集成微电网部署.
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