NDLI: A direct duty cycle calculation algorithm for digital power factor correction (PFC) implementation

Content Provider	IEEE Xplore Digital Library
Author	Wanfeng Zhang Guang Feng Yan-fei Liu Bin Wu
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Queen's Univ., Kingston, Ont., Canada (Wanfeng Zhang; Guang Feng; Yan-fei Liu)
Abstract	A new PFC control method based on direct duty cycle calculation is proposed. The duty cycle required to achieve unity power factor is calculated directly based on the reference current and sensed inductor current, input voltage and output voltage. For both digital and analog implementation, the proposed PFC control method is simpler than commonly used average current mode control. Test results for a digital implementation show that the proposed method can achieve unity power factor under both steady and transient state. Sinusoidal input current can be achieved under nonsinusoidal input voltage condition. The proposed digital PFC control method can achieve good dynamic performance for load and input voltage change.
Sponsorship	IEEE Power Electon. Soc
Starting Page	2326
Ending Page	2332
File Size	472670
Page Count	7
File Format	PDF
ISBN	0780383990
ISSN	02759306
DOI	10.1109/PESC.2004.1355485
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-20
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power factor correction Switches Voltage Digital control Reactive power Inductors Switching circuits Switching converters Power engineering computing Power engineering and energy
Content Type	Text
Resource Type	Article

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