Multi-Domain Design Optimization of dv/dt Filter for SiC-Based Three-Phase Inverters in High-Frequency Motor-Drive Applications

Jiangbiao He; Cong Li; Anoop Jassal; Naveenan Thiagarajan; Yichao Zhang; Satish Prabhakaran; Carlos Feliz; James E. Graham; Xiaosong Kang

doi:10.1109/TIA.2019.2922306

Multi-Domain Design Optimization of dv/dt Filter for SiC-Based Three-Phase Inverters in High-Frequency Motor-Drive Applications

Jiangbiao He, Cong Li, Anoop Jassal, Naveenan Thiagarajan, Yichao Zhang, Satish Prabhakaran, Carlos Feliz, James E. Graham, Xiaosong Kang

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

High slew rate of the line voltage (dv/dt) has been a concern for power inverters based on the emerging wide bandgap switching devices, such as silicon carbide (SiC) mosfets. Particularly, for SiC-based power inverters feeding electric machines interconnected with long cables, there could be more severe insulation stress on the stator windings in electric machines, due to the higher dv/dt output from the SiC inverters. Compared to the conventional lower voltage electric transportation applications (e.g., 270 V dc), higher dc bus voltage of 500-600 V can dramatically reduce cable weight and systematic copper losses, hence improve the power density and efficiency of power converters. However, high dc bus voltage further increases the dv/dt level in the converter ac line voltages. Driven by the necessity of developing SiC inverters with 500 V dc bus in electric transportation applications while attenuating the dv/dt stress to a low level, this paper presents a multi-domain design approach for dv/dt filters that comprehensively considers the constraints in electrical, magnetic, and thermal domains. Experimental results based on a 75 kW SiC inverter are provided to verify the efficacy of this design approach.

Original language	English
Article number	8735825
Pages (from-to)	5214-5222
Number of pages	9
Journal	IEEE Transactions on Industry Applications
Volume	55
Issue number	5
DOIs	https://doi.org/10.1109/TIA.2019.2922306
State	Published - 2019

Bibliographical note

Funding Information:
Manuscript received January 25, 2019; revised April 6, 2019; accepted May 10, 2019. Date of publication June 11, 2019; date of current version August 14, 2019. Paper 2018-TSC-1358.R1, presented at the 2018 IEEE Energy Conversion Congress and Exposition, Portland, OR, USA, Sep. 23–27, and approved for publication in the IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS by the Transportation Systems Committee of the IEEE Industry Applications Society. This work was supported by the U.S. Federal Aviation Administration under Award DTFAWA-15-A-80013. (Corresponding author: Cong Li.) J. He is with the Department of Electrical and Computer Engineering at the University of Kentucky, Lexington, KY 40506 USA (e-mail: jiangbiao@ieee.org).

Publisher Copyright:
© 1972-2012 IEEE.

Keywords

dv/dt filter
high-frequency
motor drives
multi-domain design
silicon carbide (SiC) inverter

ASJC Scopus subject areas

Control and Systems Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

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10.1109/TIA.2019.2922306

Cite this

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title = "Multi-Domain Design Optimization of dv/dt Filter for SiC-Based Three-Phase Inverters in High-Frequency Motor-Drive Applications",

abstract = "High slew rate of the line voltage (dv/dt) has been a concern for power inverters based on the emerging wide bandgap switching devices, such as silicon carbide (SiC) mosfets. Particularly, for SiC-based power inverters feeding electric machines interconnected with long cables, there could be more severe insulation stress on the stator windings in electric machines, due to the higher dv/dt output from the SiC inverters. Compared to the conventional lower voltage electric transportation applications (e.g., 270 V dc), higher dc bus voltage of 500-600 V can dramatically reduce cable weight and systematic copper losses, hence improve the power density and efficiency of power converters. However, high dc bus voltage further increases the dv/dt level in the converter ac line voltages. Driven by the necessity of developing SiC inverters with 500 V dc bus in electric transportation applications while attenuating the dv/dt stress to a low level, this paper presents a multi-domain design approach for dv/dt filters that comprehensively considers the constraints in electrical, magnetic, and thermal domains. Experimental results based on a 75 kW SiC inverter are provided to verify the efficacy of this design approach.",

keywords = "dv/dt filter, high-frequency, motor drives, multi-domain design, silicon carbide (SiC) inverter",

author = "Jiangbiao He and Cong Li and Anoop Jassal and Naveenan Thiagarajan and Yichao Zhang and Satish Prabhakaran and Carlos Feliz and Graham, {James E.} and Xiaosong Kang",

note = "Funding Information: Manuscript received January 25, 2019; revised April 6, 2019; accepted May 10, 2019. Date of publication June 11, 2019; date of current version August 14, 2019. Paper 2018-TSC-1358.R1, presented at the 2018 IEEE Energy Conversion Congress and Exposition, Portland, OR, USA, Sep. 23–27, and approved for publication in the IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS by the Transportation Systems Committee of the IEEE Industry Applications Society. This work was supported by the U.S. Federal Aviation Administration under Award DTFAWA-15-A-80013. (Corresponding author: Cong Li.) J. He is with the Department of Electrical and Computer Engineering at the University of Kentucky, Lexington, KY 40506 USA (e-mail: jiangbiao@ieee.org). Publisher Copyright: {\textcopyright} 1972-2012 IEEE.",

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AU - Thiagarajan, Naveenan

AU - Zhang, Yichao

AU - Prabhakaran, Satish

AU - Feliz, Carlos

AU - Graham, James E.

AU - Kang, Xiaosong

N1 - Funding Information: Manuscript received January 25, 2019; revised April 6, 2019; accepted May 10, 2019. Date of publication June 11, 2019; date of current version August 14, 2019. Paper 2018-TSC-1358.R1, presented at the 2018 IEEE Energy Conversion Congress and Exposition, Portland, OR, USA, Sep. 23–27, and approved for publication in the IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS by the Transportation Systems Committee of the IEEE Industry Applications Society. This work was supported by the U.S. Federal Aviation Administration under Award DTFAWA-15-A-80013. (Corresponding author: Cong Li.) J. He is with the Department of Electrical and Computer Engineering at the University of Kentucky, Lexington, KY 40506 USA (e-mail: jiangbiao@ieee.org). Publisher Copyright: © 1972-2012 IEEE.

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N2 - High slew rate of the line voltage (dv/dt) has been a concern for power inverters based on the emerging wide bandgap switching devices, such as silicon carbide (SiC) mosfets. Particularly, for SiC-based power inverters feeding electric machines interconnected with long cables, there could be more severe insulation stress on the stator windings in electric machines, due to the higher dv/dt output from the SiC inverters. Compared to the conventional lower voltage electric transportation applications (e.g., 270 V dc), higher dc bus voltage of 500-600 V can dramatically reduce cable weight and systematic copper losses, hence improve the power density and efficiency of power converters. However, high dc bus voltage further increases the dv/dt level in the converter ac line voltages. Driven by the necessity of developing SiC inverters with 500 V dc bus in electric transportation applications while attenuating the dv/dt stress to a low level, this paper presents a multi-domain design approach for dv/dt filters that comprehensively considers the constraints in electrical, magnetic, and thermal domains. Experimental results based on a 75 kW SiC inverter are provided to verify the efficacy of this design approach.

AB - High slew rate of the line voltage (dv/dt) has been a concern for power inverters based on the emerging wide bandgap switching devices, such as silicon carbide (SiC) mosfets. Particularly, for SiC-based power inverters feeding electric machines interconnected with long cables, there could be more severe insulation stress on the stator windings in electric machines, due to the higher dv/dt output from the SiC inverters. Compared to the conventional lower voltage electric transportation applications (e.g., 270 V dc), higher dc bus voltage of 500-600 V can dramatically reduce cable weight and systematic copper losses, hence improve the power density and efficiency of power converters. However, high dc bus voltage further increases the dv/dt level in the converter ac line voltages. Driven by the necessity of developing SiC inverters with 500 V dc bus in electric transportation applications while attenuating the dv/dt stress to a low level, this paper presents a multi-domain design approach for dv/dt filters that comprehensively considers the constraints in electrical, magnetic, and thermal domains. Experimental results based on a 75 kW SiC inverter are provided to verify the efficacy of this design approach.

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KW - silicon carbide (SiC) inverter

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Multi-Domain Design Optimization of dv/dt Filter for SiC-Based Three-Phase Inverters in High-Frequency Motor-Drive Applications

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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