Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici

Kenan Gürçam

doi:10.34248/bsengineering.2006751

EN TR

Single-Source MPPT-Controlled 5-Level Inverter for Photovoltaic Applications

Öz

This study proposes a five-level multilevel inverter (MLI) topology for photovoltaic (PV) applications, employing a single DC source and fed through a Maximum Power Point Tracking (MPPT)-controlled boost front-end stage. The proposed topology achieves a two-fold voltage gain without requiring an additional DC source, offering a favorable performance-to-cost trade-off with low hardware complexity. The performance of the topology was evaluated in the MATLAB/Simulink environment under Nearest Level Control (NLC) and Sinusoidal Pulse Width Modulation (SPWM) methods; switching and conduction losses were calculated using thermal models in PLECS software. Under a 100 Ω + 50 mH load condition, the total harmonic distortion (THD) of 8.20% obtained with the NLC method was reduced to 6.11%, 3.79%, and 3.42%, respectively, with the SPWM method as the carrier frequency was increased from 1.25 kHz to 5 kHz. The topology exhibited stable and fast dynamic response over output frequency ranges of 25-200 Hz and modulation index ranges of 0.3-1.0, achieving a peak efficiency of 97.35% across the output power range of 0–1000 W. A quantitative comparison with similar five- and seven-level topologies in the literature demonstrates that the proposed structure stands out with a lower cost function value and reduced hardware complexity. The obtained results show that the proposed single-source, MPPT-controlled topology strikes a practical balance between low switching loss and low harmonic distortion, constituting a highly efficient and scalable solution for PV systems.

Anahtar Kelimeler

Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici

Öz

Bu çalışmada, fotovoltaik (PV) uygulamalar için tek bir DC kaynağı kullanan, Maksimum Güç Noktası Takibi (MPPT) kontrollü bir boost ön kademesiyle beslenen beş seviyeli birçok seviyeli evirici (ÇSE) topolojisi önerilmektedir. Önerilen topoloji, ek bir DC kaynağa gerek duymadan iki kat gerilim kazancı sağlamakta ve düşük donanım karmaşıklığıyla yüksek bir performans-maliyet dengesi sunmaktadır. Topolojinin performansı, Nearest Level Control (NLC) ve Sinüzoidal Darbe Genişlik Modülasyonu (SPWM) yöntemleri altında MATLAB/Simulink ortamında değerlendirilmiş; anahtarlama ve iletim kayıpları PLECS yazılımı ile termal modeller kullanılarak hesaplanmıştır. 100 Ω + 50 mH yük koşulunda NLC yöntemiyle %8,20 olan toplam harmonik bozulma (THD), SPWM yönteminde taşıyıcı frekansının 1,25 kHz'den 5 kHz'e yükseltilmesiyle sırasıyla %6,11, %3,79 ve %3,42 değerlerine düşürülmüştür. Topoloji, 25-200 Hz çıkış frekansı ve 0,3-1,0 modülasyon indeksi aralıklarında kararlı ve hızlı bir dinamik yanıt sergilemiş, 0-1000 W çıkış güç aralığında %97,35 ile en yüksek verime ulaşmıştır. Literatürdeki benzer beş ve yedi seviyeli topolojilerle yapılan nicel karşılaştırma, önerilen yapının daha düşük maliyet fonksiyonu değeri ve daha az donanım karmaşıklığıyla öne çıktığını ortaya koymaktadır. Elde edilen sonuçlar, önerilen tek kaynaklı ve MPPT kontrollü topolojinin, düşük anahtarlama kaybı ile düşük harmonik bozulma arasında pratik bir denge sağlayarak yüksek verimli ve PV sistemler için ölçeklenebilir bir çözüm oluşturduğunu göstermektedir.

Anahtar Kelimeler

Etik Beyan

Bu araştırmada hayvanlar ve insanlar üzerinde herhangi bir çalışma yapılmadığı için etik kurul onayı alınmamıştır.

Kaynakça

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Ayrıntılar

Birincil Dil

Türkçe

Konular

Fotovoltaik Güç Sistemleri, Güneş Enerjisi Sistemleri

Bölüm

Araştırma Makalesi

Yazarlar

Kenan Gürçam ^*
0000-0001-9051-5953
Türkiye

Yayımlanma Tarihi

15 Kasım 2026

Gönderilme Tarihi

30 Temmuz 2026

Kabul Tarihi

8 Ekim 2026

Yayımlandığı Sayı

Yıl 2026 Cilt: 9 Sayı: 6

DOI

https://doi.org/10.34248/bsengineering.2006751

IZ

https://izlik.org/JA27EN93WZ

Kaynak Göster

RIS / Bibtex

APA

Gürçam, K. (2026). Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici. Black Sea Journal of Engineering and Science, 9(6), 3407-3419. https://doi.org/10.34248/bsengineering.2006751

AMA

1.Gürçam K. Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici. BSJ Eng. Sci. 2026;9(6):3407-3419. doi:10.34248/bsengineering.2006751

Chicago

Gürçam, Kenan. 2026. “Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici”. Black Sea Journal of Engineering and Science 9 (6): 3407-19. https://doi.org/10.34248/bsengineering.2006751.

EndNote

Gürçam K (15 Kasım 2026) Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici. Black Sea Journal of Engineering and Science 9 6 3407–3419.

IEEE

[1]K. Gürçam, “Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici”, BSJ Eng. Sci., c. 9, sy 6, ss. 3407–3419, Kas. 2026, doi: 10.34248/bsengineering.2006751.

ISNAD

Gürçam, Kenan. “Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici”. Black Sea Journal of Engineering and Science 9/6 (15 Kasım 2026): 3407-3419. https://doi.org/10.34248/bsengineering.2006751.

JAMA

1.Gürçam K. Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici. BSJ Eng. Sci. 2026;9:3407–3419.

MLA

Gürçam, Kenan. “Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici”. Black Sea Journal of Engineering and Science, c. 9, sy 6, Kasım 2026, ss. 3407-19, doi:10.34248/bsengineering.2006751.

Vancouver

1.Kenan Gürçam. Fotovoltaik Uygulamalar İçin Tek Kaynak MPPT Kontrollü 5 Seviyeli Evirici. BSJ Eng. Sci. 15 Kasım 2026;9(6):3407-19. doi:10.34248/bsengineering.2006751