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Journals / EMO Bilimsel Dergi / 2018 / Cilt: 8 - Sayı: 15

Improvement of Adaptive Hysteresis Current Control Method for Power Electronics Converters

Güç Elektroniği Dönüştürücüleri için Adaptif Histerezis Akım Kontrol Yönteminin İyileştirilmesi

A. Faruk BAKAN
A. Talha DUDAK
Pages
63–70
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

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

Thanks to this method, detailed control analysis is not necessary to ensure stable operation and to improve dynamic response.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The hysteresis current control method is an old analog-based method used in power electronic converters.
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Key Findings & Data:Despite a higher dynamic response and stability compared to other current control methods, the use of this method has been reduced with the development of microprocessors.
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Conclusion & Impact:Thanks to this method, detailed control analysis is not necessary to ensure stable operation and to improve dynamic response.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The hysteresis current control method is an old analog-based method used in power electronic converters. Despite a higher dynamic response and stability compared to other current control methods, the use of this method has been reduced with the development of microprocessors. The most basic reason for this is that the switching frequency is variable. Because the variable switching frequency leads to difficult problems in some applications. Thus, a method is proposed that is controlled the hysteresis band as adaptive through calculation to keep fixed the switching frequency. Therefore, it is aimed that a current control method has fixed frequency and faster dynamic response. Thanks to this method, detailed control analysis is not necessary to ensure stable operation and to improve dynamic response.

Özet

Histerezis akım kontrol yöntemi, güç elektroniği dönüştürücülerinde kullanılan analog temelli eski bir yöntemdir. Diğer akım kontrol yöntemlerine göre daha yüksek bir dinamik cevap ve kararlılık sağlamasına rağmen mikroişlemcilerin gelişmesi ile kullanımı azalmıştır. Bunun en temel nedeni anahtarlama frekansının değişken olmasıdır. Zira değişken anahtarlama frekansı bazı uygulamalarda çözümü zor sorunlara yol açmaktadır. Bu nedenle frekansın sabit tutulması amacıyla histerezis bandın hesap yoluyla adaptif olarak kontrol edildiği bir yöntem önerilmiştir. Böylece sabit frekanslı ve hızlı dinamik cevaba sahip bir akım kontrol yöntemi hedeflenmektedir. Bu yöntem sayesinde sistemin kararlı çalışmasının sağlanması ve dinamik cevabının iyileştirilmesi için detaylı kontrol analizlerinin yapılmasına gerek kalmamaktadır. Geliştirilen sayısal akım kontrol yöntemi ile analog yöntemin problemleri ortadan kaldırılarak frekansın sabit tutulması sağlanmıştır. Önerilen yöntem iki seviyeli yarım köprü invertere uygulanmıştır. Sonuçlar klasik analog histerezis akım kontrol yöntemi ile karşılaştırmalı olarak sunulmuştur.

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Cite This Article

BAKAN, A. F., DUDAK, A. T. (2022). Improvement of Adaptive Hysteresis Current Control Method for Power Electronics Converters. EMO Bilimsel Dergi, Cilt: 8 - Sayı: 15, 63–70. https://ajindex.com/articles/500679

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