Parametric Analysis of Domains with Desired Dynamic Modes in Single-Phase Voltage Source Inverters

2020 Dynamics of Systems, Mechanisms and Machines (Dynamics) Pub Date : 2020-11-10 DOI:10.1109/Dynamics50954.2020.9306183

A. Andriyanov

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Abstract

The results of parametric analysis in single-phase voltage source inverters with bipolar reversible sinusoidal pulse-width modulation are considered.The effect of quantization factor on the domain size with desired dynamic mode is studied. Research on the selected space of system parameters by variation of pulse-width modulation (PWM) quantization frequency with constant frequency of control voltage and conversely by variation of control voltage frequency with constant quantization frequency is carried out.It is shown that control voltage frequency variation with constant quantization frequency has virtually no effect on domain with desired dynamic mode. At the same time, increasing switching frequency, if it is technically possible, allows to completely eliminate undesired modes without using complex nonlinear dynamic processes control algorithms.Mechanism of quantization factor influence on domain with desired dynamic mode for systems with sinusoidal PWM is presented for the first time. The obtained results can be used in parametric synthesis of control systems in single-phase voltage source inverters based on various types of a sinusoidal PWM.

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单相电压源逆变器期望动态模式域的参数分析

考虑了双极可逆正弦脉宽调制单相电压源逆变器的参数分析结果。研究了量化因子对期望动态模式下域大小的影响。研究了控制电压恒定频率下脉宽调制(PWM)量化频率的变化和控制电压频率恒定量化频率下脉宽调制(PWM)量化频率的变化所选择的系统参数空间。结果表明，恒定量化频率下的控制电压频率变化对具有期望动态模式的域几乎没有影响。同时，如果技术上可行，增加开关频率可以完全消除不希望的模式，而无需使用复杂的非线性动态过程控制算法。首次提出了量化因子对正弦脉宽调制系统期望动态模式域的影响机理。所得结果可用于基于各种正弦PWM的单相电压源逆变器控制系统的参数综合。

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2020 Dynamics of Systems, Mechanisms and Machines (Dynamics)

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