基于基频PWM方案的17电平非对称多电平逆变器

R. Ramaprabha, S. Malathy, N. Ramya Krishnan
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引用次数: 1

摘要

由于具有更好的可靠性和开关电平比,减少组件计数(RCC)逆变器正在被广泛探索。本文对一种在对称模式下可产生9个电平,在非对称模式下可产生17个电平的RCC多电平逆变器进行了分析。分析使用基本的PWM技术,如半高(HH)方法,等相(EP)方法,半等相(HEP)方法和前馈(FF)方法。通过MATLAB仿真对其性能进行了分析,并对谐波失真进行了比较。
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A 17-Level Asymmetric Multilevel Inverter with Fundamental Frequency PWM Schemes
Reduced component count (RCC) inverters are being explored extensively due to better reliability and level to switch ratio. In this paper, analysis is performed on a RCC multilevel inverter that can generate 9 levels on symmetric mode and 17 levels on the asymmetric mode. The analysis is done with fundamental PWM techniques like Half Height (HH) method, Equal-Phase (EP) method, Half Equal Phase (HEP) method and Feed-Forward (FF) method. The performance is analysed through MATLAB based simulations and the comparison on the harmonic distortion is presented.
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