有限控制集模型预测电流控制三相电网连接逆变器的常态压力抑制电压
Ali Bebboukha1, Redha Meneceur1, Labiod Chouaib1
1Laboratory of Unite Renewable Energy Development Eloued, Department of Mechanical Engineering, University of El Oued, 39000, El Oued, Algeria.
Scientific reports
|August 27, 2024
概括
本研究提出了一种新的有限控制集模型预测电流控制 (FCS-MPCC),用于降低联网逆变器的常态电压 (CMV). 这种先进的方法通过最小化CMV和改进电流跟踪来提高逆变器的性能和耐用性.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 控制系统 控制系统
背景情况:
- 连接到电网的三相逆变器中的常态电压 (CMV) 会导致泄漏电流,EMI和系统退化.
- 现有的控制方法很难有效地抑制CMV,同时保持精确的电流控制.
研究的目的:
- 开发和验证一个先进的有限控制集模型预测电流控制 (FCS-MPCC) 战略.
- 为了显著降低三相电网连接逆变器的通用模式电压 (CMV).
- 为了提高逆变器电流跟踪精度和系统耐用性.
主要方法:
- 实施用于逆变器状态的预测控制模型.
- 设计一个成本函数,平衡电流跟踪和CMV减少.
- 基于全面的CMV数学模型的切换状态的实时优化.
主要成果:
- 实现了普通模式电压 (CMV) 的大幅降低.
- 显示了当前跟踪准确度的显著改进.
- 增强逆变器性能和延长系统寿命得到验证.
结论:
- 拟议的FCS-MPCC有效地抑制了与电网连接的逆变器中的CMV.
- 这种控制策略为改善系统可靠性提供了比传统方法更好的替代方案.
- 这项研究有助于更强大,更持久的电力电子系统.
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