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Design and Evaluation of Feedforward Active Ripple Filters

Author(s)
Perreault, David J.; Kassakian, John G.; Zhu, Mingjuan; Caliskan, Vahe; Neugebauer, Timothy C.; Guttowski, Stephan; ... Show more Show less
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

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Abstract
An active ripple filter is an electronic circuit that cancels or suppresses the ripple current and electromagnetic interference generated by the power stage of a power converter, thus reducing the passive filtration requirements. This paper explores the design of feedforward active ripple filters for current ripple cancellation, including the design tradeoffs, advantages, and limitations of different implementation methods. The design and performance of an active filter using a novel Rogowski-coil current sensor is discussed in detail. Experimental results from a prototype converter system using this approach are presented, and quantitative comparisons are made between a hybrid passive/active filter and a purely passive filter. It is demonstrated that substantial improvements in filter mass and converter transient performance are achievable using this active ripple filtering method.
Date issued
2005-03
URI
http://hdl.handle.net/1721.1/86971
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Laboratory for Electromagnetic and Electronic Systems
Journal
IEEE Transactions on Power Electronics
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Zhu, M., D.J. Perreault, V. Caliskan, T.C. Neugebauer, S. Guttowski, and J.G. Kassakian. “Design and Evaluation of Feedforward Active Ripple Filters.” IEEE Trans. Power Electron. 20, no. 2 (March 2005): 276–285. © 2005 IEEE
Version: Final published version
ISSN
0885-8993
1941-0107

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