Research on Soft Switching Power Supply with High Power Factor Based on Boost Converter

Abstract:

With the development of power electronics，the technology of Switching Mode Power Supply(SMPS) is gradually perfected. However，there is no end to the demand for a high power and high performance power supply. Nowadays, Power Factor Correction (PFC) technique is widely researched. This paper mainly analyzes the fundamental configuration of the switching power supply. And we study the basic structure and the operating principles of ZVT-boost soft-switching PFC circuit and the implementing principle of soft switch. For the power requirements, the two-stage PFC circuit is used. The forward stage is a single-phase Boost Power Factor Correction circuit and the backward stage main circuit is a full-bridge converter with the phase-shifting control soft-switching technique. Finally the simulating analysis is performed to the designed system.

• Periodical: Applied Mechanics and Materials (Volumes 29-32)
• Pages: 2422-2427
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.29-32.2422
• Online since: August 2010
• Authors: Qian Hua Xiao, Hai Jing Liu
• Keywords: Power Factor Correction (PFC), Simulation, Soft Switching, Switching Mode Power Supply (SMPS)

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