Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems

Jason Pries; Gui Jia Su; Veda Galigekere; Omer Onar

doi:10.1109/WoW47795.2020.9291271

Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems

Jason Pries, Gui Jia Su, Veda Galigekere, Omer Onar

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

10 Scopus citations

Abstract

This paper presents a strategy for generating fundamental reference voltage commands for a double-sided LCC tuned three-phase wireless power transfer (WPT) system to achieve balanced output currents when the receiver and transmitter are not perfectly aligned. Formulas for translating the normalized fundamental current commands into phase-shift commands for two of the phase legs in a two-level three-phase inverter are derived. The methodology is validated through circuit simulations performed using coupler models derived from finite-element simulations. Simulation results for a 1.5 k W system design are included, which indicate near perfect correction of imbalance in the secondary currents for a typical misalignment case.

Original language	English
Title of host publication	2020 IEEE PELS Workshop on Emerging Technologies
Subtitle of host publication	Wireless Power Transfer, WoW 2020
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	10-15
Number of pages	6
ISBN (Electronic)	9781728137469
DOIs	https://doi.org/10.1109/WoW47795.2020.9291271
State	Published - Nov 15 2020
Event	2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020 - Virtual, Seoul, Korea, Republic of Duration: Nov 15 2020 → Nov 19 2020

Publication series

Name	2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020

Conference

Conference	2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020
Country/Territory	Korea, Republic of
City	Virtual, Seoul
Period	11/15/20 → 11/19/20

Funding

This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (https://energy.gov/downloads/doepublic- access-plan). This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (https://energy.gov/downloads/doe-public-access-plan).

Keywords

Inverters
Phase-shift control
Rectifiers
Three- phase power
Wireless charging
Wireless power transfer

Access to Document

10.1109/WoW47795.2020.9291271

Cite this

Pries, J., Su, G. J., Galigekere, V., & Onar, O. (2020). Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems. In 2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020 (pp. 10-15). Article 9291271 (2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/WoW47795.2020.9291271

Pries, Jason ; Su, Gui Jia ; Galigekere, Veda et al. / Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems. 2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020. Institute of Electrical and Electronics Engineers Inc., 2020. pp. 10-15 (2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020).

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title = "Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems",

abstract = "This paper presents a strategy for generating fundamental reference voltage commands for a double-sided LCC tuned three-phase wireless power transfer (WPT) system to achieve balanced output currents when the receiver and transmitter are not perfectly aligned. Formulas for translating the normalized fundamental current commands into phase-shift commands for two of the phase legs in a two-level three-phase inverter are derived. The methodology is validated through circuit simulations performed using coupler models derived from finite-element simulations. Simulation results for a 1.5 k W system design are included, which indicate near perfect correction of imbalance in the secondary currents for a typical misalignment case.",

keywords = "Inverters, Phase-shift control, Rectifiers, Three- phase power, Wireless charging, Wireless power transfer",

author = "Jason Pries and Su, {Gui Jia} and Veda Galigekere and Omer Onar",

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Pries, J, Su, GJ, Galigekere, V & Onar, O 2020, Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems. in 2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020., 9291271, 2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020, Institute of Electrical and Electronics Engineers Inc., pp. 10-15, 2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020, Virtual, Seoul, Korea, Republic of, 11/15/20. https://doi.org/10.1109/WoW47795.2020.9291271

Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems. / Pries, Jason; Su, Gui Jia; Galigekere, Veda et al.
2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020. Institute of Electrical and Electronics Engineers Inc., 2020. p. 10-15 9291271 (2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020).

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

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AB - This paper presents a strategy for generating fundamental reference voltage commands for a double-sided LCC tuned three-phase wireless power transfer (WPT) system to achieve balanced output currents when the receiver and transmitter are not perfectly aligned. Formulas for translating the normalized fundamental current commands into phase-shift commands for two of the phase legs in a two-level three-phase inverter are derived. The methodology is validated through circuit simulations performed using coupler models derived from finite-element simulations. Simulation results for a 1.5 k W system design are included, which indicate near perfect correction of imbalance in the secondary currents for a typical misalignment case.

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Pries J, Su GJ, Galigekere V, Onar O. Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems. In 2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020. Institute of Electrical and Electronics Engineers Inc. 2020. p. 10-15. 9291271. (2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020). doi: 10.1109/WoW47795.2020.9291271

Phase shift control of a three-phase inverter for balanced secondary currents in misaligned three-phase inductive power transfer systems

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