Unified Controller Design for Two-Stage Converter Based on Feed-Forward Compensation

Tao Xia; Zhi Chang Yuan; Yong Xing Li; Hai Feng Guo; Bai Hua Zhang

doi:10.4028/www.scientific.net/AMR.732-733.1271

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 732-733Unified Controller Design for Two-Stage Converter...

Unified Controller Design for Two-Stage Converter Based on Feed-Forward Compensation

Abstract:

A unified control structure for two-stage power converter system (PCS) is proposed which incorporates both charging and discharging modes within the same controller. Detailed modeling process is presented using sub-system approach. Power feed-forward compensation with direct battery current reference is engaged to enable fast response to power change on battery side, thus reducing DC bus voltage fluctuation during transients. Simulation and experiments show that the proposed control structure can effectively improve dynamic response without compromising steady-state performance.

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Periodical:

Advanced Materials Research (Volumes 732-733)

Pages:

1271-1279

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.732-733.1271

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Online since:

August 2013

Authors:

Tao Xia, Zhi Chang Yuan, Yong Xing Li, Hai Feng Guo, Bai Hua Zhang

Keywords:

Feed-Forward Compensation, Two-Stage Converter, Unified Controller Structure

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