Minimum Distortion Point Tracking: Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters

Jason Poon; Brian B. Johnson; Sairaj V. Dhople; Seth R. Sanders

doi:10.1109/COMPEL.2018.8459981

Minimum Distortion Point Tracking: Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters

Jason Poon
, Brian B. Johnson
, Sairaj V. Dhople
, Seth R. Sanders

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Scopus citations

Abstract

This paper introduces the notion of minimum distortion point tracking (MDPT): a control paradigm for input- or output-parallel connected dc-dc converters where switching waveforms are optimally phase shifted to minimize the total dc-bus ripple power. In a sense, MDPT generalizes the ubiquitous concept of interleaving in balanced multiphase dc-dc converters to a broad class of asymmetric input- or output-parallel connected dc-dc converters. Realizing power-quality improvement with control design implies that a drastic reduction in passive input or output filters can be achieved. This paper presents the mathematical characterization of the minimum distortion point (MDP) and a technique for MDPT. An experimental case study for three 600 W dc-dc converters demonstrates a 3× reduction in the bus voltage ripple, convergence to a static MDP in 40 ms, and the ability to dynamically track a time-varying MDP.

Original language	English (US)
Title of host publication	2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781538655412
DOIs	https://doi.org/10.1109/COMPEL.2018.8459981
State	Published - Sep 10 2018
Event	19th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2018 - Padova, Italy Duration: Jun 25 2018 → Jun 28 2018

Publication series

Name	2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018

Other

Other	19th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2018
Country/Territory	Italy
City	Padova
Period	6/25/18 → 6/28/18

Bibliographical note

Publisher Copyright:
© 2018 IEEE.

Publisher link

10.1109/COMPEL.2018.8459981

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Cite this

Poon, J., Johnson, B. B., Dhople, S. V., & Sanders, S. R. (2018). Minimum Distortion Point Tracking: Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters. In 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018 Article 8459981 (2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/COMPEL.2018.8459981

Minimum Distortion Point Tracking: Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters. / Poon, Jason; Johnson, Brian B.; Dhople, Sairaj V. et al.
2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018. Institute of Electrical and Electronics Engineers Inc., 2018. 8459981 (2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Poon, J, Johnson, BB, Dhople, SV & Sanders, SR 2018, Minimum Distortion Point Tracking: Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters. in 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018., 8459981, 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018, Institute of Electrical and Electronics Engineers Inc., 19th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2018, Padova, Italy, 6/25/18. https://doi.org/10.1109/COMPEL.2018.8459981

Poon J, Johnson BB, Dhople SV, Sanders SR. Minimum Distortion Point Tracking: Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters. In 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018. Institute of Electrical and Electronics Engineers Inc. 2018. 8459981. (2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018). doi: 10.1109/COMPEL.2018.8459981

Poon, Jason ; Johnson, Brian B. ; Dhople, Sairaj V. et al. / Minimum Distortion Point Tracking : Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters. 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018. Institute of Electrical and Electronics Engineers Inc., 2018. (2018 IEEE 19th Workshop on Control and Modeling for Power Electronics, COMPEL 2018).

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abstract = "This paper introduces the notion of minimum distortion point tracking (MDPT): a control paradigm for input- or output-parallel connected dc-dc converters where switching waveforms are optimally phase shifted to minimize the total dc-bus ripple power. In a sense, MDPT generalizes the ubiquitous concept of interleaving in balanced multiphase dc-dc converters to a broad class of asymmetric input- or output-parallel connected dc-dc converters. Realizing power-quality improvement with control design implies that a drastic reduction in passive input or output filters can be achieved. This paper presents the mathematical characterization of the minimum distortion point (MDP) and a technique for MDPT. An experimental case study for three 600 W dc-dc converters demonstrates a 3× reduction in the bus voltage ripple, convergence to a static MDP in 40 ms, and the ability to dynamically track a time-varying MDP.",

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Minimum Distortion Point Tracking: Optimal Phase Shifting for Input- or Output-Parallel Connected DC-DC Converters

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