A New Family of Soft Single Switched DC-DC Converters with Lossless Passive Snubber
Publish place: majlesi Journal of Electrical Engineering، Vol: 14، Issue: 2
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MJEE-14-2_007
تاریخ نمایه سازی: 25 بهمن 1401
Abstract:
In this paper, a novel lossless snubber is introduced that provides ZVS conditions for both On and Off instant of converter switches. On one hand, the energy of the snubber is optimally transmitted to the output so that no significant losses are imposed on the converter. Since the converter diodes are switched off as ZCS, the reverse recovery problem is reduced. In this paper, the proposed snubber circuit is applied to a conventional boost converter and an ۸۰W sample is constructed in the laboratory to prove the performance and theoretical analysis. Furthermore, in order to confirm the effectiveness of the proposed snubber on the reduction of Electromagnetic Interference (EMI), the EMI value of the boost converter with the proposed snubber has been compared with the conventional boost converter, which shows a decrease of ۱۰dBμV.
Keywords:
Lossless Passive Snapper , Zero Current Switching Condition (ZCS) , Zero Voltage Switching Condition (ZVS) , Electromagnetic interference (EMI)
Authors
Shabnam Nasr Esfahani
Department of Electrical Engineering, Arak Branch, Islamic Azad University, Arak, Iran
Majid Delshad
of Electrical Engineering, Isfahan(Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
Mohhamad Tavakoli
Department of Electrical Engineering, Arak Branch, Islamic Azad University, Arak, Iran
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