GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method

Teng Liu; Ke Xu; Yi Zhang; Cai Chen; Yong Kang; Fang Luo

doi:10.1109/APEC39645.2020.9124368

GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method

Teng Liu
, Ke Xu
, Yi Zhang
, Cai Chen
, Yong Kang
, Fang Luo

Electrical Engineering

Huazhong University of Science and Technology

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

7 Scopus citations

Abstract

Triangular current mode (TCM) control for single phase inverters leads to significant improvement in efficiency at high switching frequencies. However, the huge switching frequency variation of the TCM-based inverter leads to excessive turn-off switching loss, as well as excessive core and winding losses of the inductor. For achieving better performances of TCM-based inverter, a hybrid TCM control is proposed for switching frequency limitation and maintaining high efficiency. An optimization algorithm is established for maximizing the efficiency of the hybrid TCM control. Based on an analytical loss model of GaN HEMTs in this optimization algorithm, the optimal control strategy can be determined. The results show the efficiency with optimal hybrid TCM control is higher than pure TCM operation at light loads. Finally, the proposed hybrid TCM control is verified in an interleaved GaN-based MHz single phase inverter.

Original language	English
Title of host publication	APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	3322-3326
Number of pages	5
ISBN (Electronic)	9781728148298
DOIs	https://doi.org/10.1109/APEC39645.2020.9124368
State	Published - Mar 2020
Event	35th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2020 - New Orleans, United States Duration: Mar 15 2020 → Mar 19 2020

Publication series

Name	Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
Volume	2020-March

Conference

Conference	35th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2020
Country/Territory	United States
City	New Orleans
Period	03/15/20 → 03/19/20

Keywords

analytical loss model
GaN HEMTs
high power density
QCFTCM
TCM

Access to Document

10.1109/APEC39645.2020.9124368

Cite this

Liu, T., Xu, K., Zhang, Y., Chen, C., Kang, Y., & Luo, F. (2020). GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method. In APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition (pp. 3322-3326). Article 9124368 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; Vol. 2020-March). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APEC39645.2020.9124368

Liu, Teng ; Xu, Ke ; Zhang, Yi et al. / GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method. APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., 2020. pp. 3322-3326 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

@inproceedings{ffb86b5c51d2464495f6277c921db495,

title = "GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method",

abstract = "Triangular current mode (TCM) control for single phase inverters leads to significant improvement in efficiency at high switching frequencies. However, the huge switching frequency variation of the TCM-based inverter leads to excessive turn-off switching loss, as well as excessive core and winding losses of the inductor. For achieving better performances of TCM-based inverter, a hybrid TCM control is proposed for switching frequency limitation and maintaining high efficiency. An optimization algorithm is established for maximizing the efficiency of the hybrid TCM control. Based on an analytical loss model of GaN HEMTs in this optimization algorithm, the optimal control strategy can be determined. The results show the efficiency with optimal hybrid TCM control is higher than pure TCM operation at light loads. Finally, the proposed hybrid TCM control is verified in an interleaved GaN-based MHz single phase inverter.",

keywords = "analytical loss model, GaN HEMTs, high power density, QCFTCM, TCM",

author = "Teng Liu and Ke Xu and Yi Zhang and Cai Chen and Yong Kang and Fang Luo",

note = "Publisher Copyright: {\textcopyright} 2020 IEEE.; 35th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2020 ; Conference date: 15-03-2020 Through 19-03-2020",

year = "2020",

month = mar,

doi = "10.1109/APEC39645.2020.9124368",

language = "English",

series = "Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

pages = "3322--3326",

booktitle = "APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition",

}

Liu, T, Xu, K, Zhang, Y, Chen, C, Kang, Y & Luo, F 2020, GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method. in APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition., 9124368, Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, vol. 2020-March, Institute of Electrical and Electronics Engineers Inc., pp. 3322-3326, 35th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2020, New Orleans, United States, 03/15/20. https://doi.org/10.1109/APEC39645.2020.9124368

GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method. / Liu, Teng; Xu, Ke; Zhang, Yi et al.
APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., 2020. p. 3322-3326 9124368 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; Vol. 2020-March).

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

TY - GEN

T1 - GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method

AU - Liu, Teng

AU - Xu, Ke

AU - Zhang, Yi

AU - Chen, Cai

AU - Kang, Yong

AU - Luo, Fang

PY - 2020/3

Y1 - 2020/3

N2 - Triangular current mode (TCM) control for single phase inverters leads to significant improvement in efficiency at high switching frequencies. However, the huge switching frequency variation of the TCM-based inverter leads to excessive turn-off switching loss, as well as excessive core and winding losses of the inductor. For achieving better performances of TCM-based inverter, a hybrid TCM control is proposed for switching frequency limitation and maintaining high efficiency. An optimization algorithm is established for maximizing the efficiency of the hybrid TCM control. Based on an analytical loss model of GaN HEMTs in this optimization algorithm, the optimal control strategy can be determined. The results show the efficiency with optimal hybrid TCM control is higher than pure TCM operation at light loads. Finally, the proposed hybrid TCM control is verified in an interleaved GaN-based MHz single phase inverter.

AB - Triangular current mode (TCM) control for single phase inverters leads to significant improvement in efficiency at high switching frequencies. However, the huge switching frequency variation of the TCM-based inverter leads to excessive turn-off switching loss, as well as excessive core and winding losses of the inductor. For achieving better performances of TCM-based inverter, a hybrid TCM control is proposed for switching frequency limitation and maintaining high efficiency. An optimization algorithm is established for maximizing the efficiency of the hybrid TCM control. Based on an analytical loss model of GaN HEMTs in this optimization algorithm, the optimal control strategy can be determined. The results show the efficiency with optimal hybrid TCM control is higher than pure TCM operation at light loads. Finally, the proposed hybrid TCM control is verified in an interleaved GaN-based MHz single phase inverter.

KW - analytical loss model

KW - GaN HEMTs

KW - high power density

KW - QCFTCM

KW - TCM

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U2 - 10.1109/APEC39645.2020.9124368

DO - 10.1109/APEC39645.2020.9124368

M3 - Conference contribution

AN - SCOPUS:85087774651

T3 - Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

SP - 3322

EP - 3326

BT - APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 35th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2020

Y2 - 15 March 2020 through 19 March 2020

ER -

Liu T, Xu K, Zhang Y, Chen C, Kang Y, Luo F. GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method. In APEC 2020 - 35th Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc. 2020. p. 3322-3326. 9124368. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC). doi: 10.1109/APEC39645.2020.9124368

GaN-Based MHz Single Phase Inverter with a High Efficiency Hybrid TCM Control Method

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