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MPPT統合SPWM制御PV給電マルチレベルインバータの高調波性能の包括的評価

Comprehensive harmonic performance of MPPT-integrated SPWM controlled PV-fed multilevel inverter (原題)

Swapna Subudhiray, Smrutiranjan Nayak, Priyattama Moharana

Zenodoプレプリント2026-09-02#再生可能エネルギー対象セクター: power
DOI: 10.11591/eei.v15i4.11930
原典: https://zenodo.org/records/22243143
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🤖 gxceed AI 要約

日本語

本論文は、P&O MPPTを統合したカスケードHブリッジマルチレベルインバータ（CHB-MLI）の高調波性能と堅牢性を評価する。SPWM制御とLCフィルタにより、出力電圧の全高調波歪み（THD）を17.40%から3.50%に低減し、IEEE 519規格を満たす。SHEやSVPWMとの比較から、SPWMが実装の複雑さと性能のバランスに優れることを示す。再生可能エネルギー応用における信頼性と効率の向上に貢献する。

English

This paper evaluates the harmonic performance and robustness of a cascaded H-bridge multilevel inverter (CHB-MLI) with P&O MPPT. Using SPWM control and an LC filter, the output voltage THD is reduced from 17.40% to 3.50%, meeting IEEE 519. Compared to SHE and SVPWM, SPWM offers a practical trade-off between performance and complexity. The results support reliable and efficient renewable energy applications.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本では再生可能エネルギーの導入拡大に伴い、電力品質の維持が重要であり、本技術は系統連系インバータの高調波対策に寄与する。ただし、GX政策や開示基準との直接的な関連は薄い。

In the global GX context

Globally, the transition to renewable energy requires power electronics that meet grid standards. This paper's focus on THD reduction aligns with IEEE standards, supporting reliable integration of PV systems. However, it does not directly address climate disclosure or transition finance.

👥 読者別の含意

🔬研究者:Provides a comparative analysis of modulation techniques for MLI, useful for power electronics researchers.

🏢実務担当者:Offers insights into inverter design for PV systems, relevant for engineers in renewable energy installations.

📄 Abstract（原文）

This paper presents a comprehensive harmonic performance and robustness evaluation of a photovoltaic (PV)-fed cascaded H-bridge multilevel inverter (CHB-MLI) integrated with a perturb and observe (P&O) maximum power point tracking (MPPT) algorithm. The proposed inverter is controlled using sinusoidal pulse width modulation (SPWM) to produce a high-quality AC output suitable for renewable energy applications. An inductor–capacitor (LC) filter is incorporated to reduce switching harmonics and improve output voltage quality. Harmonic analysis indicates that the total harmonic distortion (THD) of the inverter output voltage is reduced from 17.40% to 3.50% after filtering, which satisfies the IEEE 519 standard for low-voltage systems. Furthermore, a comparative evaluation with selective harmonic elimination (SHE) and space vector pulse width modulation (SVPWM) techniques highlights that SPWM provides a practical trade-off between harmonic performance and implementation complexity. The results confirm that the proposed PV-fed multilevel inverter (MLI) architecture offers reliable and efficient performance for renewable energy applications.

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