Journals / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi / 2008 / Cilt: 23 - Sayı: 1

Analysis of switching losses of hard and soft switching in full bridge converter

Sert ve yumuşak anahtarlamalı tam köprü çeviricilerde kayıp analizi

Pages
147–155
Publication Date
2022-10-18
DOI
—
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AI Summary & Key Takeaways

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

The experimental studies show that the performance of the proposed zero current transition converter has been significantly increased.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, zero current transition soft switching technique for one phase full bridge converter has been proposed.
📊
Key Findings & Data:A zero current transition converter is formed by adding a resonance branch, which consists of an inductance and a capacitor, and two auxiliary switches to a traditional one phase converter.
💡
Conclusion & Impact:The experimental studies show that the performance of the proposed zero current transition converter has been significantly increased.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, zero current transition soft switching technique for one phase full bridge converter has been proposed. A zero current transition converter is formed by adding a resonance branch, which consists of an inductance and a capacitor, and two auxiliary switches to a traditional one phase converter. Soft switching conditions for the main and the auxiliary switches are maintained by activating the main switches in the resonance branch during on/off transitions for a short time. Firstly, the operation principles and the analysis of the zero current transition converters are given for the proposed system. Then, the switching losses of both converters have been examined by operating them under the same load and switching frequency conditions. The experimental studies show that the performance of the proposed zero current transition converter has been significantly increased.

Özet

Bu çalışmada, bir fazlı tam köprü çevirici için sıfır akım geçişli yumuşak anahtarlama tekniği önerilmiştir. Klasik sert anahtarlamalı bir fazlı çevirici yapısına, iki yardımcı anahtar, bir endüktans ve bir bobinden oluşan rezonans kol eklenerek sıfır akım geçişli çevirici oluşturulmuştur. Rezonans kol, ana anahtarların iletim ve kesim geçişlerinde çok kısa süreli olarak aktif duruma geçirilerek ana ve yardımcı anahtarlar için yumuşak anahtarlama şartları meydana getirilmektedir. Önerilen sıfır akım geçişli çeviricinin çalışma esasları ve analizi verildikten sonra, her iki çevirici de aynı yük ve anahtarlama frekanslarında çalıştırılarak anahtarlama kayıpları incelenmiştir. Gerçekleştirilen uygulama çalışmaları, önerilen sıfır akım geçiş yöntemi ile çeviricinin performansının önemli miktarda arttırıldığını göstermektedir.

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Cite This Article

ÖZTÜRK, N. (2022). Analysis of switching losses of hard and soft switching in full bridge converter. Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, Cilt: 23 - Sayı: 1, 147–155. https://ajindex.com/articles/523936

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