非线性MPPT技术用于控制混合动力系统
Naamane Debdouche1, Habib Benbouhenni2, Laid Zarour1
1Laboratory of Electrical Constantine LEC, Brothers Mentouri University, Ain El-Bey, 25000, Constantine, Algeria.
Scientific reports
|August 10, 2024
概括
本研究介绍了联网光伏 (PV) 系统的先进协同控制 (SC) 和滑动模式控制 (SMC),显著减少功率波动和波扭曲,提高效率.
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
- 控制理论 控制理论
背景情况:
- 连接到电网的多功能光伏 (PV) 系统对于高效的能源整合至关重要.
- 传统的最大功率点跟踪 (MPPT) 技术在动态条件下面临挑战.
- 多功能电压源逆变器 (MVSI) 是现代光伏系统的关键组件.
研究的目的:
- 通过协同控制 (SC) 和滑动模式控制 (SMC) 来提高光伏系统中MPPT的性能.
- 提高三级MVSI的能力,以提高电力质量.
- 为了最大限度地减少能量波动,纠正功率因子,并减轻电力配电网 (DEG) 中的波电流.
主要方法:
- 在DC-DC增压转换器 (DC-DC-BC) 中实施MPPT的SC和SMC.
- 将预测性直流功率控制与相锁循环 (PLL) 技术应用于MVSI.
- 系统建模和模拟使用MATLAB进行性能评估.
主要成果:
- 主动功率和反应功率波动的显著减少,分别减少了38.46%和15.30%.
- 在1000Wm2太阳辐射下过后,源电流的总波扭曲 (THD) 减少了31.88%.
- 在过之前,观察到电流的THD大幅减少97.65%.
结论:
- 拟议的基于SC和SMC的MPPT战略在联网光伏系统中提供了卓越的性能.
- 集成的MVSI有效地管理电力质量问题,包括波动和波.
- 控制技术证明了多功能光伏系统的可靠和高效运行.
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