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Journals / Mühendislik Bilimleri ve Tasarım Dergisi / 2026 / Cilt: 13 Sayı: 2

PERFORMANCE ANALYSIS OF A HYBRID-SWITCHING DC/AC CONVERTER USED IN RENEWABLE ENERGY SUPPLIED HOUSES UNDER DIFFERENT POWER CONDITIONS

YENİLENEBİLİR ENERJİ KAYNAKLARINA SAHİP EVSEL UYGULAMALAR İÇİN HİBRİT ANAHTARLI BİR DA/AA DÖNÜŞTÜRÜCÜNÜN FARKLI GÜÇ KOŞULLARI ALTINDAKİ PERFORMANS ANALİZİ

Hakan Akça(EGE ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ, ELEKTRİK ELEKTRONİK MÜHENDİSLİĞİ BÖLÜMÜ)0000-0001-9138-0755
Uğur Savaş Selamoğulları(YILDIZ TEKNİK ÜNİVERSİTESİ, ELEKTRİK-ELEKTRONİK FAKÜLTESİ, ELEKTRİK MÜHENDİSLİĞİ BÖLÜMÜ)0000-0002-2272-4355
Pages
480–493
Publication Date
2025-06-27
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AI Summary & Key Takeaways

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

This indicates that the hybrid switch structure provides advantages both under high power factor conditions and under low power factor conditions.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, a hybrid switch-based dc/ac converter and its control method are investigated for the efficient utilization of renewable energy sources in residential applications.
📊
Key Findings & Data:Since the power demand in residential systems often remains below 500 W, achieving high efficiency at low power levels is critically important for dc/ac converters used in such systems.
💡
Conclusion & Impact:This indicates that the hybrid switch structure provides advantages both under high power factor conditions and under low power factor conditions.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Yenilenebilir Enerji · DA/AA Dönüştürücü · Hibrit Anahtar

Abstract

In this study, a hybrid switch-based dc/ac converter and its control method are investigated for the efficient utilization of renewable energy sources in residential applications. Since the power demand in residential systems often remains below 500 W, achieving high efficiency at low power levels is critically important for dc/ac converters used in such systems. Instead of a conventional IGBT switch, a parallel IGBT-MOSFET combination along with a load current feedback method is employed to improve efficiency under low power levels and varying power factor conditions. In the analysis, not only the maximum power demand but also the daily load variability is taken into account. For example, at a low power level of 100 W, the hybrid switch configuration achieves an efficiency improvement of 6,3% and 8,0% compared to IGBT-only usage for power factors of 1,00 and 0,85, respectively. This indicates that the hybrid switch structure provides advantages both under high power factor conditions and under low power factor conditions.

Özet

Bu çalışmada, yenilenebilir enerji kaynaklarının konutlarda verimli kullanımı için hibrit anahtar yapısına sahip bir da/aa dönüştürücü ve kontrol yöntemi incelenmiştir. Konut uygulamalarında, elektrik güç talebinin büyük oranda 500 W ve altında kalması nedeniyle bu tip sistemlerde kullanılacak da/aa dönüştürücünün düşük güçlerde yüksek verimliliğe sahip olması kritik bir önem taşımaktadır. Da/aa devlerinde yaygın olarak kullanılan IGBT anahtarı yerine paralel IGBT-MOSFET kombinasyonu ile beraber yük akımı geri besleme yöntemi kullanılarak düşük güç seviyelerinde ve farklı güç faktörlerinde verimlilik artırılmıştır. Analizlerde maksimum güç talebinin yanı sıra günlük yük değişkenliği de dikkate alınmıştır. Örneğin, 100 W gibi düşük bir güç seviyesinde hibrit anahtar kullanımı, yalnızca IGBT kullanımına kıyasla güç faktörü 1,00 ve 0,85 için sırasıyla %6,3 ve %8,0 oranında verim artışı sağlamıştır. Bu durum, hibrit anahtar yapısının yalnızca yüksek değil, aynı zamanda düşük güç faktörü koşullarında da avantaj sağladığını ortaya koymaktadır.

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Cite This Article

Akça, H., Selamoğulları, U. S. (2025). PERFORMANCE ANALYSIS OF A HYBRID-SWITCHING DC/AC CONVERTER USED IN RENEWABLE ENERGY SUPPLIED HOUSES UNDER DIFFERENT POWER CONDITIONS. Mühendislik Bilimleri ve Tasarım Dergisi, Cilt: 13 Sayı: 2, 480–493. https://doi.org/10.21923/jesd.1671756

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