基于同步多区PWM控制的电压源逆变器多级安装

2019 International Conference on Electromechanical and Energy Systems (SIELMEN) Pub Date : 2019-10-01 DOI:10.1109/SIELMEN.2019.8905850

V. Oleschuk, V. Ermuratskii, F. Barrero

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引用次数: 0

摘要

同步空间矢量调制方法将电压源逆变器的脉冲模式直接表示为逆变器基频和开关频率的函数，已应用于标准三相逆变器和由三个电压源逆变器和多绕组变压器组成的模块化变换器的二极管箝位逆变器的调整。在这种情况下，同步调制方案基于多区域控制的概念，其中包括连续确定控制子区域之间的边界频率(在安装的基本频率轴上)，以及确定脉冲模式的替代控制相关性。研究了几种基本版本的同步脉宽调制(PWM)控制系统。通过数值仿真验证了所分析的控制和调制策略。

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Multilevel Installation Based on Voltage Source Inverters Controlled by Synchronous Multi-Zone PWM

Method of synchronous space-vector modulation, based on direct representation of pulse patterns of voltage source inverters as function of the fundamental and switching frequencies of inverters, has been applied for adjustment of both standard three-phase inverters and diode-clamped inverters of a modular converter consisting of three voltage source inverters and multi-winding transformer. Scheme of synchronous modulation is based in this case on concept of multi-zone control, which includes continuous determination of boundary frequencies between control sub-zones (on the axis of the fundamental frequency of installation), and on alternative control correlations for determination of the pulse patterns. Systems controlled by some basic versions of synchronous pulsewidth modulation (PWM) have been investigated. The analyzed control and modulation strategies have been verified by numerical simulations.

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2019 International Conference on Electromechanical and Energy Systems (SIELMEN)

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