Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System

Donghao Wu; Bernd Ackermann; Jan Abraham Ferreira

doi:10.1109/PEAC.2018.8590546

Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System

Donghao Wu, Bernd Ackermann, Jan Abraham Ferreira

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

Abstract

Multiple pickup operation is a common scenario for IPT applications. In this scenario, constant current output is often required at the transmitter to avoid a complicated control method at the pickups. The LCL-T topology has been widely used to produce a constant output current for variable loads. This paper will present the analysis, simulation and test of a LCL-T resonant converter. The work here considers the load as a variable impedance comprising both a variable resistance and a variable inductance. The trade-off of LCL-T topology is discussed in the frequency domain to solve the off-resonant problem in a large load range. A 100W LCL-T resonant inverter operating at 50kHz is developed and the experimental results verify that the proposed method can reduce the reactive power required at partial load and ensure constant current output and ZVS in the whole load range.

Original language	English
Title of host publication	Proceedings - 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018
Editors	F.C. Lee, M.D. Xu, A. Mantooth
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	6
ISBN (Electronic)	978-1-5386-6053-9
ISBN (Print)	978-1-5386-6054-6
DOIs	https://doi.org/10.1109/PEAC.2018.8590546
Publication status	Published - 2018
Event	2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018 - Shenzhen, China Duration: 4 Nov 2018 → 7 Nov 2018

Conference

Conference	2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018
Country/Territory	China
City	Shenzhen
Period	4/11/18 → 7/11/18

Keywords

constant current output
LCL-T converter
multiple pickup IPT
reactive power reduction
zero voltage switching

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10.1109/PEAC.2018.8590546

Cite this

Wu, D., Ackermann, B., & Ferreira, J. A. (2018). Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System. In F. C. Lee, M. D. Xu, & A. Mantooth (Eds.), Proceedings - 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018 Article 8590546 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/PEAC.2018.8590546

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title = "Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System",

abstract = "Multiple pickup operation is a common scenario for IPT applications. In this scenario, constant current output is often required at the transmitter to avoid a complicated control method at the pickups. The LCL-T topology has been widely used to produce a constant output current for variable loads. This paper will present the analysis, simulation and test of a LCL-T resonant converter. The work here considers the load as a variable impedance comprising both a variable resistance and a variable inductance. The trade-off of LCL-T topology is discussed in the frequency domain to solve the off-resonant problem in a large load range. A 100W LCL-T resonant inverter operating at 50kHz is developed and the experimental results verify that the proposed method can reduce the reactive power required at partial load and ensure constant current output and ZVS in the whole load range.",

keywords = "constant current output, LCL-T converter, multiple pickup IPT, reactive power reduction, zero voltage switching",

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publisher = "Institute of Electrical and Electronics Engineers (IEEE)",

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note = "2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018 ; Conference date: 04-11-2018 Through 07-11-2018",

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Wu, D, Ackermann, B & Ferreira, JA 2018, Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System. in FC Lee, MD Xu & A Mantooth (eds), Proceedings - 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018., 8590546, Institute of Electrical and Electronics Engineers (IEEE), 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018, Shenzhen, China, 4/11/18. https://doi.org/10.1109/PEAC.2018.8590546

Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System. / Wu, Donghao; Ackermann, Bernd; Ferreira, Jan Abraham.
Proceedings - 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018. ed. / F.C. Lee; M.D. Xu; A. Mantooth. Institute of Electrical and Electronics Engineers (IEEE), 2018. 8590546.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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N2 - Multiple pickup operation is a common scenario for IPT applications. In this scenario, constant current output is often required at the transmitter to avoid a complicated control method at the pickups. The LCL-T topology has been widely used to produce a constant output current for variable loads. This paper will present the analysis, simulation and test of a LCL-T resonant converter. The work here considers the load as a variable impedance comprising both a variable resistance and a variable inductance. The trade-off of LCL-T topology is discussed in the frequency domain to solve the off-resonant problem in a large load range. A 100W LCL-T resonant inverter operating at 50kHz is developed and the experimental results verify that the proposed method can reduce the reactive power required at partial load and ensure constant current output and ZVS in the whole load range.

AB - Multiple pickup operation is a common scenario for IPT applications. In this scenario, constant current output is often required at the transmitter to avoid a complicated control method at the pickups. The LCL-T topology has been widely used to produce a constant output current for variable loads. This paper will present the analysis, simulation and test of a LCL-T resonant converter. The work here considers the load as a variable impedance comprising both a variable resistance and a variable inductance. The trade-off of LCL-T topology is discussed in the frequency domain to solve the off-resonant problem in a large load range. A 100W LCL-T resonant inverter operating at 50kHz is developed and the experimental results verify that the proposed method can reduce the reactive power required at partial load and ensure constant current output and ZVS in the whole load range.

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Wu D, Ackermann B, Ferreira JA. Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System. In Lee FC, Xu MD, Mantooth A, editors, Proceedings - 2018 IEEE International Power Electronics and Application Conference and Exposition, PEAC 2018. Institute of Electrical and Electronics Engineers (IEEE). 2018. 8590546 doi: 10.1109/PEAC.2018.8590546

Minimizing Reactive Power for LCL-T Converter in Multi-pickup Inductive Power Transfer System

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