改进型SPWM及单相五电平逆变器的仿真与设计

2020 IEEE 15th International Conference on Industrial and Information Systems (ICIIS) Pub Date : 2020-11-26 DOI:10.1109/ICIIS51140.2020.9342677

V. Srinath, Manmohan Agarwal, D. Chaturvedi

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引用次数: 1

摘要

本文提出了一种改进的单相五电平逆变器。该逆变器是通过在现有的常规单相三电平逆变器上连接一个辅助开关和一个附加开关来设计的。利用MATLAB/SIMULINK实现了五种不同类型的SPWM技术(PD、POD、APOD、CO和MCVF)以及一种新的改进的SPWM方案。改进的开关方案的基本优点是提高了基频电压和输出电压的总谐波失真(THD)。并在电容启动型和电容启动运行型单相感应电动机上实现了逆变器，以评估其在变调制指标下的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Simulation and Design of Modified SPWM and Single-Phase Five-Level Inverter

In this paper, a modified single-phase five-level inverter is proposed. This inverter is designed by connecting an auxiliary switch and one extra switch to the existing conventional single-phase three-level inverter. Using MATLAB/SIMULINK five different types of SPWM techniques (PD, POD, APOD, CO, and MCVF) and a new modified SPWM scheme are implemented on this inverter for resistive& inductive loads. The basic advantage of the modified switching scheme is to improve both the fundamental voltage and Total harmonic Distortion (THD) of the output voltage. The proposed inverter is also implemented on a single-phase induction motor for both capacitor-start and capacitor-start-run type to evaluate its performance for varying modulation index.

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来源期刊

2020 IEEE 15th International Conference on Industrial and Information Systems (ICIIS)

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