NDLI: A novel high-frequency digital PFC controller with second harmonic compensation

Content Provider	IEEE Xplore Digital Library
Author	Pengju Kong Zhihong Jiang Yadong Liu Lipei Huang Qing Lin
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Pengju Kong; Zhihong Jiang; Yadong Liu; Lipei Huang)
Abstract	This paper presents improved control strategies and design methods for a high-frequency digital PFC controller. Antiwindup technique is introduced into both the current loop and voltage loop regulators in order to enhance the dynamic performance. The design methods of AW/spl I.bar/PI regulators are discussed in detail A steady-state second harmonic compensation method is presented to increase the control bandwidth of voltage loop, in order that contradiction between the steady-state and dynamic performance is diminished. As the frequency goes as high as 200 kHz, the light load losses increase remarkably. A variable-period method is proposed so that the light load efficiency of PFC module is improved. A dual-boost PFC module with DSP controller is built. Experiment results show that the dynamic performance is improved and the steady state waveforms of input current and output voltage are desirable at both light load and full load.
Sponsorship	IEEE Region 10
Starting Page	53
Ending Page	56
File Size	1947573
Page Count	4
File Format	PDF
ISBN	0780385608
DOI	10.1109/TENCON.2004.1414866
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-24
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital control Steady-state Regulators Voltage control Digital signal processing Topology Switches Switching frequency Diodes Rectifiers
Content Type	Text
Resource Type	Article

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