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Journals / Electrica / 2021 / Cilt: 21 - Sayı: 2

Analysis of a Modified Switching Pattern for Packed U Cell15 Inverter Topology with Advanced Level Shift Carrier Pulse Width Modulation Techniques

Narendra Kumar MUTHUKURİ
Subbarao MOPİDEVİ
Journal
Electrica
Pages
272–282
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

By analyzing the results, it showed that the PD-PWM technique producedbetter results than other modulation techniques, and that the voltage and current THD% obtained therefrom 2.49% and 1.86% at M = 1, which comes underIEEE-519 standard

📌 3 Key Takeaways

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Objective & Hypothesis:This paper focused on the design and analysis of a modified switching sequence for a 15-level Packed U Cell (PUC-15) inverter.
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Key Findings & Data:The performance of the inverterwas also observed in terms of total harmonic distortion (THD) with constant frequency (phase disposition [PD] and phase opposition disposition [POD]) andvariable frequency, variable frequency carrier opposition (VFCO) level shift triangular carrier-based sinusoidal pulse width modulation (SPWM) techniquesat different modulation indices of M = 0.2, 0.4, 0.6, 0.8, and 1.
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Conclusion & Impact:By analyzing the results, it showed that the PD-PWM technique producedbetter results than other modulation techniques, and that the voltage and current THD% obtained therefrom 2.49% and 1.86% at M = 1, which comes underIEEE-519 standard
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Özet

This paper focused on the design and analysis of a modified switching sequence for a 15-level Packed U Cell (PUC-15) inverter. The proposed switchingsequence improved the harmonic spectrum, reduced the burden on switches, and controlled the switching frequency. The performance of the inverterwas also observed in terms of total harmonic distortion (THD) with constant frequency (phase disposition [PD] and phase opposition disposition [POD]) andvariable frequency, variable frequency carrier opposition (VFCO) level shift triangular carrier-based sinusoidal pulse width modulation (SPWM) techniquesat different modulation indices of M = 0.2, 0.4, 0.6, 0.8, and 1. Insights from the modified switching sequence and pulse width modulation techniques wereanalyzed and compared via simulations in a MATLAB/Simulink environment. By analyzing the results, it showed that the PD-PWM technique producedbetter results than other modulation techniques, and that the voltage and current THD% obtained therefrom 2.49% and 1.86% at M = 1, which comes underIEEE-519 standard

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Cite This Article

MUTHUKURİ, N. K., MOPİDEVİ, S. (2021). Analysis of a Modified Switching Pattern for Packed U Cell15 Inverter Topology with Advanced Level Shift Carrier Pulse Width Modulation Techniques. Electrica, Cilt: 21 - Sayı: 2, 272–282. https://ajindex.com/articles/348148

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References (1)

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