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Open AccessArticle

Line Frequency Instability of One-Cycle-Controlled Boost Power Factor Correction Converter

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College of Safety Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
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College of Electrical Engineering, Chongqing University of Science and Technology, Chongqing 401331, China
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The School of Electric Power Engineering, South China University of Technology, Guangzhou 510641, China
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Department of Electrical Egineering, Chongqing Institute of Communication, Chongqing 400035, China
*
Authors to whom correspondence should be addressed.
Electronics 2018, 7(9), 203; https://doi.org/10.3390/electronics7090203
Received: 26 July 2018 / Revised: 30 August 2018 / Accepted: 4 September 2018 / Published: 17 September 2018
(This article belongs to the Special Issue Applications of Power Electronics)
Power Factor Correction (PFC) converters are widely used in engineering. A classical PFC control circuit employs two complicated feedback control loops and a multiplier, while the One-Cycle-Controlled (OCC) PFC converter has a simple control circuit. In OCC PFC converters, the voltage loop is implemented with a PID control and the multiplier is not needed. Although linear theory is used in designing the OCC PFC converter control circuit, it cannot be used in predicting non-linear phenomena in the converter. In this paper, a non-linear model of the OCC PFC Boost converter is proposed based on the double averaging method. The line frequency instability of the converter is predicted by studying the DC component, the first harmonic component and the second harmonic component of the main circuit and the control circuit. The effect of the input voltage and the output capacitance on the stability of the converter is studied. The correctness of the proposed model is verified with numerical simulations and experimental measurements. View Full-Text
Keywords: power factor correction; line frequency instability; one cycle control; non-linear phenomena; bifurcation; boost converter power factor correction; line frequency instability; one cycle control; non-linear phenomena; bifurcation; boost converter
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Zhang, R.; Ma, W.; Wang, L.; Hu, M.; Cao, L.; Zhou, H.; Zhang, Y. Line Frequency Instability of One-Cycle-Controlled Boost Power Factor Correction Converter. Electronics 2018, 7, 203.

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