七电平不对称逆变器(7LAI)的混合变频PWM方法

2023 International Conference on Power, Instrumentation, Energy and Control (PIECON) Pub Date : 2023-02-10 DOI:10.1109/PIECON56912.2023.10085791

V. Arun, S. Prabhu, Albert Alexander Stonier

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引用次数: 0

摘要

介绍了一种用于7电平不对称逆变器(7LAI)的新型混合PWM拓扑结构。逆变器利用二进制直流电源产生7级输出。变频脉宽调制(VFPWM)方法被用来触发建议的逆变器。为了证明各种调制指标的可行性和有效性，对性能参数进行了评估。使用MATLAB-SIMUINK进行仿真。从研究中发现，VF-PDPWM方法可以降低THD, VF-APODPWM方法可以降低失真因子(DF)， VF-COPWM方法可以提供更高的VRMS基本输出电压和更高的形状因子(FF)。

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Hybrid Variable Frequency PWM Methods For Seven Level Asymmetrical Inverter (7LAI)

This research introduces a novel hybrid PWM topology for a 7-level asymmetrical inverter (7LAI). The inverter utilizes binary DC sources to produce a 7-level output. The Variable Frequency Pulse Width Modulation (VFPWM) approach are used to trigger the suggested inverter. To prove the viability and effectiveness for various modulation indices, performance parameters are evaluated. MATLAB-SIMUINK is used to do simulations. From the study it is found that VF-PDPWM approach offers reduced THD, the VF-APODPWM method offers lower Distortion Factor (DF), and the VF-COPWM method offers greater fundamental VRMS output voltage and higher Form Factors (FF).

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2023 International Conference on Power, Instrumentation, Energy and Control (PIECON)

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