应用于功率调节的三电平电压逆变器的动态分析

30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321) Pub Date : 1999-06-27 DOI:10.1109/PESC.1999.785589

S. Alepuz, J. Bordonau, J. Peracaula

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引用次数: 15

摘要

分析了三电平电压源逆变器的动态特性，以便在闭环运行状态下控制输出给负载的功率。提出了一种三电平电压源逆变器的模型。考虑了整个系统的动力学，包括直流链路和负载侧。该模型使用D-Q变换。首先进行了开环动力学分析。设计了LQR控制器，以改善系统在闭环运行时的动态响应。仿真结果证实了闭环运行时动态性能的改善。

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Dynamic analysis of three-level voltage-source inverters applied to power regulation

The dynamic characteristics of three-level voltage-source inverters are analyzed, in order to control the power delivered to the load in closed-loop operation. A model of the three-level voltage-source inverter is presented. The dynamics of the complete system is considered, including the DC-link and the load side. The model uses D-Q transformation. An open-loop dynamic analysis is done first. An LQR controller is designed to improve the dynamic response of the system for the closed-loop operation. The simulation results confirm the improvement of dynamic behavior in closed-loop operation.

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30th Annual IEEE Power Electronics Specialists Conference. Record. (Cat. No.99CH36321)

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