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Sunday, October 23
PAC 16
Advanced Topics on Single-Phase Power Factor Correction
9:00 am-1:00 pm
This seminar introduces advanced modeling, analysis, control, and design techniques for single-phase power-factor-correction (PFC) converters. It is designed to bring advanced theories and the latest development in these areas to practicing engineers who have some basic knowledge of PFC technologies. It will help the attendees to develop an in-depth understanding of the fundamentals, and provide them with advanced analytical tools and methods for practical development. The seminar will first review the basics of single-phase power factor correction using boost and boost-derived topologies. Double averaging is then introduced as a systematic reduced-order modeling method for single-phase PFC converters, and design of both the input current loop and the output voltage loop using appropriate models is discussed. The seminar then provides an in-depth treatment of the input current crossover distortion issue, identifying all major sources of such distortion and quantifying their effects using analytical methods. Advanced circuits and control techniques for reducing current crossover distortion will be introduced. Recently developed input current feedforward control and digital control techniques will also be covered. Additionally, the seminar will present input impedance models of boost PFC converters and discuss their applications in input filter design as well as in analysis and mitigation of undesirable converter-source interactions.
Please note: Due to Convention Center Space availability, we will be holding the Sunday, October 23, 2005 Professional Advancement Courses (PAC) at the Wyndham Inner Harbor Hotel.
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Tuesday, October 14, 2008
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