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International Journal of Engineering، جلد ۳۳، شماره ۱۱، صفحات ۲۲۲۲-۲۲۳۲
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عنوان انگلیسی A New Variable Frequency Zero Voltage Switching Control Method for Boost Converter Operating in Boundary Conduction Mode
چکیده انگلیسی مقاله This paper proposes a new variable frequency zero voltage switching (ZVS) control method for boost converter operating in boundary conduction mode (BCM). The intended method keeps the converter in BCM despide of the  load and input voltage variations. This is done by changing switching frequency in a certain specified range. The proposed method can guarantee circuit performance in BCM via zero-crossing detection of the inductor current and changing the switching frequency. In addition, with a slight modification in control structure, it is possible to achieve a fully ZVS in all cases. This converter control is carried out in analog form without using microprocessors which, compared with the digital one, has less noise, cost and processing challenges in high frequency applications. Simulation results obtained from applying the proposed method on a GaN-based synchronous boost converter in two different switching frequency ranges (100KHz and 1MHz) are indicative of the proposed strategy advantages.
کلیدواژه‌های انگلیسی مقاله Boundary Conduction Mode,DC-DC GaN boost converter,fully zero voltage switching,high frequency switching,valley switching,extended switching,Zero Current Switching
نویسندگان مقاله S. Norouzi |
Department of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran

H. Ghoreishy |
Department of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran

A. Ale Ahmad |
Department of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran

F. Tahami |
Department of Electrical and Computer Engineering, Sharif University of Technology, Tehran, Iran

نشانی اینترنتی https://www.ije.ir/article_118848_bc32a236df12d43072f8c2f60b09de87.pdf
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