Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs

Gao Liu; Zhixing Yan; Morten Rahr Nielsen; Shaokang Luan; Bjorn Rannestad; Hongbo Zhao; Stig Munk-Nielsen; Michael Moller Bech

doi:10.1109/ECCE55643.2024.10861048

Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs

Gao Liu^*, Zhixing Yan, Morten Rahr Nielsen, Shaokang Luan, Bjorn Rannestad, Hongbo Zhao, Stig Munk-Nielsen, Michael Moller Bech

^*Kontaktforfatter

Publikation: Bidrag til bog/antologi/rapport/konference proceeding › Konferenceartikel i proceeding › Forskning › peer review

Abstract

Increasing the operating voltage of the machine to medium voltage benefits high efficiency and cost-effectiveness. However, as a result hereof, the common-mode current and power loss introduced by common-mode capacitances become more pronounced compared to low voltage machines. By presenting a common-mode circuit model of the system as well as analysing the switching loss and current ripple caused by common-mode capacitances, this paper investigates the impacts of common-mode capacitances on a 4.16 kV machine and a medium voltage power stack enabled by 10 kV SiC MOSFETs. Theoretical and experimental results indicate that the common-mode capacitance causes additional power loss about 4.1 kW and at least 10% current ripple ratio. In addition, high common-mode capacitance in machine poses the design challenge on auxiliary circuit design for the machine drive.

Originalsprog	Engelsk
Titel	2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Proceedings
Antal sider	5
Forlag	IEEE (Institute of Electrical and Electronics Engineers)
Publikationsdato	2024
Sider	6194-6198
ISBN (Trykt)	979-8-3503-7605-0, 979-8-3503-7607-4
ISBN (Elektronisk)	979-8-3503-7606-7
DOI	https://doi.org/10.1109/ECCE55643.2024.10861048
Status	Udgivet - 2024
Begivenhed	2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Phoenix, USA Varighed: 20 okt. 2024 → 24 okt. 2024

Konference

Konference	2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024
Land/Område	USA
By	Phoenix
Periode	20/10/2024 → 24/10/2024
Sponsor	ABB Group, COMSOL, et al., Hioki USA Corporation, How2Power.Com, John Deere

Navn	IEEE Energy Conversion Congress and Exposition (ECCE)
ISSN	2329-3748

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Publisher Copyright:
© 2024 IEEE.

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10.1109/ECCE55643.2024.10861048

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Citationsformater

Liu, G., Yan, Z., Nielsen, M. R., Luan, S., Rannestad, B., Zhao, H., Munk-Nielsen, S., & Bech, M. M. (2024). Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs. I 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Proceedings (s. 6194-6198). IEEE (Institute of Electrical and Electronics Engineers). https://doi.org/10.1109/ECCE55643.2024.10861048

Liu, Gao ; Yan, Zhixing ; Nielsen, Morten Rahr et al. / Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs. 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Proceedings. IEEE (Institute of Electrical and Electronics Engineers), 2024. s. 6194-6198 (IEEE Energy Conversion Congress and Exposition (ECCE)).

@inproceedings{e34d62d64898494bacb33c6798ab578f,

title = "Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs",

abstract = "Increasing the operating voltage of the machine to medium voltage benefits high efficiency and cost-effectiveness. However, as a result hereof, the common-mode current and power loss introduced by common-mode capacitances become more pronounced compared to low voltage machines. By presenting a common-mode circuit model of the system as well as analysing the switching loss and current ripple caused by common-mode capacitances, this paper investigates the impacts of common-mode capacitances on a 4.16 kV machine and a medium voltage power stack enabled by 10 kV SiC MOSFETs. Theoretical and experimental results indicate that the common-mode capacitance causes additional power loss about 4.1 kW and at least 10% current ripple ratio. In addition, high common-mode capacitance in machine poses the design challenge on auxiliary circuit design for the machine drive.",

keywords = "10 kV SiC MOSFET, Common-mode capacitance, common-mode current, medium voltage machine",

author = "Gao Liu and Zhixing Yan and Nielsen, {Morten Rahr} and Shaokang Luan and Bjorn Rannestad and Hongbo Zhao and Stig Munk-Nielsen and Bech, {Michael Moller}",

note = "Publisher Copyright: {\textcopyright} 2024 IEEE.; 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 ; Conference date: 20-10-2024 Through 24-10-2024",

year = "2024",

doi = "10.1109/ECCE55643.2024.10861048",

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isbn = "979-8-3503-7605-0",

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Liu, G , Yan, Z , Nielsen, MR , Luan, S, Rannestad, B, Zhao, H , Munk-Nielsen, S & Bech, MM 2024, Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs. i 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Proceedings. IEEE (Institute of Electrical and Electronics Engineers), IEEE Energy Conversion Congress and Exposition (ECCE), s. 6194-6198, 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024, Phoenix, USA, 20/10/2024. https://doi.org/10.1109/ECCE55643.2024.10861048

Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs. / Liu, Gao ; Yan, Zhixing ; Nielsen, Morten Rahr et al.
2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Proceedings. IEEE (Institute of Electrical and Electronics Engineers), 2024. s. 6194-6198 (IEEE Energy Conversion Congress and Exposition (ECCE)).

Publikation: Bidrag til bog/antologi/rapport/konference proceeding › Konferenceartikel i proceeding › Forskning › peer review

TY - GEN

T1 - Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs

AU - Liu, Gao

AU - Yan, Zhixing

AU - Nielsen, Morten Rahr

AU - Luan, Shaokang

AU - Rannestad, Bjorn

AU - Zhao, Hongbo

AU - Munk-Nielsen, Stig

AU - Bech, Michael Moller

PY - 2024

Y1 - 2024

N2 - Increasing the operating voltage of the machine to medium voltage benefits high efficiency and cost-effectiveness. However, as a result hereof, the common-mode current and power loss introduced by common-mode capacitances become more pronounced compared to low voltage machines. By presenting a common-mode circuit model of the system as well as analysing the switching loss and current ripple caused by common-mode capacitances, this paper investigates the impacts of common-mode capacitances on a 4.16 kV machine and a medium voltage power stack enabled by 10 kV SiC MOSFETs. Theoretical and experimental results indicate that the common-mode capacitance causes additional power loss about 4.1 kW and at least 10% current ripple ratio. In addition, high common-mode capacitance in machine poses the design challenge on auxiliary circuit design for the machine drive.

AB - Increasing the operating voltage of the machine to medium voltage benefits high efficiency and cost-effectiveness. However, as a result hereof, the common-mode current and power loss introduced by common-mode capacitances become more pronounced compared to low voltage machines. By presenting a common-mode circuit model of the system as well as analysing the switching loss and current ripple caused by common-mode capacitances, this paper investigates the impacts of common-mode capacitances on a 4.16 kV machine and a medium voltage power stack enabled by 10 kV SiC MOSFETs. Theoretical and experimental results indicate that the common-mode capacitance causes additional power loss about 4.1 kW and at least 10% current ripple ratio. In addition, high common-mode capacitance in machine poses the design challenge on auxiliary circuit design for the machine drive.

KW - 10 kV SiC MOSFET

KW - Common-mode capacitance

KW - common-mode current

KW - medium voltage machine

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BT - 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Proceedings

PB - IEEE (Institute of Electrical and Electronics Engineers)

T2 - 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024

Y2 - 20 October 2024 through 24 October 2024

ER -

Liu G , Yan Z , Nielsen MR , Luan S, Rannestad B, Zhao H et al. Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs. I 2024 IEEE Energy Conversion Congress and Exposition, ECCE 2024 - Proceedings. IEEE (Institute of Electrical and Electronics Engineers). 2024. s. 6194-6198. (IEEE Energy Conversion Congress and Exposition (ECCE)). doi: 10.1109/ECCE55643.2024.10861048

Increased Common-mode Current and Power Losses in Medium Voltage Machines Enabled by 10 kV SiC MOSFETs

Abstract

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