一种HFLMI并联系统调节器参数设计新方法

Regulator Parameters Design of High Frequency Link Matrix Inverter Parallel System

高频链逆变技术具有功率密度大、可靠性高和电气隔离等特点。研究了高频链矩阵式逆变器(HFLMI)并联系统。首先对HFLMI进行了建模分析。随后针对并联系统实验中电压电流环比例积分(PI)参数的盲目调试问题,提出一种新的基于闭环传递函数的PI参数设计方法,介绍了新PI参数设计方法中关键参数的设计过程。将所提方法用于HFLMI并联系统,系统的仿真和实验结果验证了所提方法的可行性。

High frequency link inverter technology has the characteristics of high power density,reliability and electrical isolation.The parallel system of high frequency link matrix inverter（HFLMI） is studied.Firstly, the model of HFLMI is analyzed, and the mathematical model of the system is established.Aiming at the blind debugging of the proportional integral （PI） parameters of voltage and current loop in parallel experiment of HFLMI, a new method is proposed for the design of PI parameters in parallel system of HFLMI based on close loop transfer function.The detailed design process of key parameters in new PI parameter design method is introduced.The simulation and experiment show that the method is feasible.