摘要
提出了一种新的三阶EPT数学模型,比以前采用的一阶简化模型精度更高,更能详细地反映EPT内部暂态过程。在此模型基础上研究了含EPT的单机无穷大系统的最优综合控制技术,仿真结果可清晰地看出EPT高、低压侧直流环节电压的变化及系统阻尼特性的改善。
A new third-order EPT mathematical model is proposed in this paper. The precision of the proposed model is higher than that of the first-order simplified model, and the transient process of EPT can he shown in detail. The optimal integrative control technique of single machine infinite bus system with EPT is also studied based on the proposed model. Simulation results show that the change of DC link voltage in EPT＇s high voltage side and low voltage side is clear, and damping characteristic is improved.
出处
《水电能源科学》
2007年第5期135-138,158,共5页
Water Resources and Power
关键词
电子电力变压器
数学模型
最优控制
综合控制
electronic power transformer
mathematical model
optimal control
integrative control
