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Research on Power-Factor-Correction Technique Based on SEPIC Converter

Author: ZhangYang
Tutor: GongChunYing
School: Nanjing University of Aeronautics and Astronautics
Course: Power Electronics and Power Drives
Keywords: Power Factor Correction Input current shaping Continuous current mode Discontinuous current mode RCD box -bit SEPIC converter
CLC: TM46
Type: Master's thesis
Year: 2004
Downloads: 473
Quote: 9
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Abstract


In this paper, based on SEPIC converter power factor correction technology . First, a comprehensive overview of the development of the power factor correction technology , Passive PFC technology , active two PFC technology and active single-stage PFC techniques were analyzed and compared . Secondly, the SEPIC converter works , isolated SEPIC-PFC circuit operating principle and key parameters of design guidelines and circuit stress analysis . Then study the small signal model of SEPIC-PFC converter and the establishment of a system of control model to optimize the design of the control parameters based on the control model . Finally , the system of in-depth study of the time-domain simulation and simulation results of the physical and mathematical explanation is given . On the basis of the above theoretical analysis , design and development of the SEPIC converter high power factor rectifier experimental prototype , the prototype uses RCD clamp technical , experimental results are given , the theoretical analysis is verified by experiment .

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CLC: > Industrial Technology > Electrotechnical > Transformers, converters and reactors > Converter
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