DC-Link Active Power Filter for High-Power Single-Phase PWM Converters

Hongbo Li; Kai Zhang; Hui Zhao

DC-Link Active Power Filter for High-Power Single-Phase PWM Converters

Hongbo Li

Kai Zhang

Hui Zhao

Vol. 12, No. 3, pp. 458-467, May 2012

10.6113/JPE.2012.12.3.458

Capacitive energy-storage

DC link active power filter

Power density

Ripple power

single-phase PWM converter

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Abstract

Single phase converters suffer from ripple power pulsating at twice the line frequency. The ripple power is usually absorbed by a bulky capacitor bank and/or a dedicative LC resonant link, resulting in a low power density and a high cost. An alternative solution is using a dc link active power filter (APF) to direct the pulsating power into another energy-storage component. The main dc link filter capacitor can then be reduced substantially. Based on a mainstream dc APF topology, this paper proposed a new control strategy incorporating both dual-loop control and repetitive control. The circuit parameter design is also re-examined from a control point of view. The proposed APF scheme has better control performance, and is more suited for high power applications since it works in CCM and with a low switching frequency.

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Cite this article

[IEEE Style]

H. Li, K. Zhang, H. Zhao, "DC-Link Active Power Filter for High-Power Single-Phase PWM Converters," Journal of Power Electronics, vol. 12, no. 3, pp. 458-467, 2012. DOI: 10.6113/JPE.2012.12.3.458.

[ACM Style]

Hongbo Li, Kai Zhang, and Hui Zhao. 2012. DC-Link Active Power Filter for High-Power Single-Phase PWM Converters. Journal of Power Electronics, 12, 3, (2012), 458-467. DOI: 10.6113/JPE.2012.12.3.458.