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Reliability Assessment of a WBG-based Interleaved Bidirectional HV DC/DC Converter for Electric Vehicles Drivetrains. / Chakraborty, Sajib; Hasan, Mohammed Mahedi; Tran, Dai-Duong; Jaman, Shahid; Van Den Bossche, Peter; El Baghdadi, Mohamed; Hegazy, Omar.

Fifteenth International Conference on Ecological Vehicles and Renewable Energies, EVER2020. EVER , 2020. p. 1-8.

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Chakraborty, S, Hasan, MM, Tran, D-D, Jaman, S, Van Den Bossche, P, El Baghdadi, M & Hegazy, O 2020, Reliability Assessment of a WBG-based Interleaved Bidirectional HV DC/DC Converter for Electric Vehicles Drivetrains. in Fifteenth International Conference on Ecological Vehicles and Renewable Energies, EVER2020. EVER , pp. 1-8, 2020 Fifteenth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monaco, Monaco, 10/09/20.

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@inproceedings{37a3609285b9448bbb55695e50244a90,
title = "Reliability Assessment of a WBG-based Interleaved Bidirectional HV DC/DC Converter for Electric Vehicles Drivetrains",
abstract = "As Wide Bandgap (WBG)-based semiconductors are being widely used in Electric Vehicles (EVs) drivetrains, it becomes essential to assess the reliability of the WBG-based power electronics converters (PEC). Nevertheless, the ageing response of WBG-based converters in the EVs throughout a complete mission-profile has remained a significant concern for Automotive Original Equipment Manufacturers (OEMs). This paper presents a reliability assessment of a WBG-based Interleaved Bidirectional high-voltage (HV) DC/DC Converter (IBC) for EV-drivetrains. The reliability of IBC is assessed stepwise using a standard mission-profile based on a reliability estimation toolchain that simulates the thermal wear-out of failure-prone components like the semiconductor’s module and DC-link electrolytic capacitor. A modified rainflow algorithm is used to count the thermal stress, swings and expansion of the active and passive components on the IBC system. Outcomes of this article depict that the DC-link capacitor and the upper MOSFET of the half-bridge module are the most failure-prone components when the EV is driven using the dynamic WLTC mission-profile. Moreover, experimental results have presented the accuracy of the electro-thermal modelling by operating 30kW IBC prototype at different load conditions.",
keywords = "Reliability analysis, Mission profile, WBGSs, DC/DC converter modeling",
author = "Sajib Chakraborty and Hasan, {Mohammed Mahedi} and Dai-Duong Tran and Shahid Jaman and {Van Den Bossche}, Peter and {El Baghdadi}, Mohamed and Omar Hegazy",
year = "2020",
month = "9",
day = "10",
language = "English",
pages = "1--8",
booktitle = "Fifteenth International Conference on Ecological Vehicles and Renewable Energies, EVER2020",
publisher = "EVER",

}

RIS

TY - GEN

T1 - Reliability Assessment of a WBG-based Interleaved Bidirectional HV DC/DC Converter for Electric Vehicles Drivetrains

AU - Chakraborty, Sajib

AU - Hasan, Mohammed Mahedi

AU - Tran, Dai-Duong

AU - Jaman, Shahid

AU - Van Den Bossche, Peter

AU - El Baghdadi, Mohamed

AU - Hegazy, Omar

PY - 2020/9/10

Y1 - 2020/9/10

N2 - As Wide Bandgap (WBG)-based semiconductors are being widely used in Electric Vehicles (EVs) drivetrains, it becomes essential to assess the reliability of the WBG-based power electronics converters (PEC). Nevertheless, the ageing response of WBG-based converters in the EVs throughout a complete mission-profile has remained a significant concern for Automotive Original Equipment Manufacturers (OEMs). This paper presents a reliability assessment of a WBG-based Interleaved Bidirectional high-voltage (HV) DC/DC Converter (IBC) for EV-drivetrains. The reliability of IBC is assessed stepwise using a standard mission-profile based on a reliability estimation toolchain that simulates the thermal wear-out of failure-prone components like the semiconductor’s module and DC-link electrolytic capacitor. A modified rainflow algorithm is used to count the thermal stress, swings and expansion of the active and passive components on the IBC system. Outcomes of this article depict that the DC-link capacitor and the upper MOSFET of the half-bridge module are the most failure-prone components when the EV is driven using the dynamic WLTC mission-profile. Moreover, experimental results have presented the accuracy of the electro-thermal modelling by operating 30kW IBC prototype at different load conditions.

AB - As Wide Bandgap (WBG)-based semiconductors are being widely used in Electric Vehicles (EVs) drivetrains, it becomes essential to assess the reliability of the WBG-based power electronics converters (PEC). Nevertheless, the ageing response of WBG-based converters in the EVs throughout a complete mission-profile has remained a significant concern for Automotive Original Equipment Manufacturers (OEMs). This paper presents a reliability assessment of a WBG-based Interleaved Bidirectional high-voltage (HV) DC/DC Converter (IBC) for EV-drivetrains. The reliability of IBC is assessed stepwise using a standard mission-profile based on a reliability estimation toolchain that simulates the thermal wear-out of failure-prone components like the semiconductor’s module and DC-link electrolytic capacitor. A modified rainflow algorithm is used to count the thermal stress, swings and expansion of the active and passive components on the IBC system. Outcomes of this article depict that the DC-link capacitor and the upper MOSFET of the half-bridge module are the most failure-prone components when the EV is driven using the dynamic WLTC mission-profile. Moreover, experimental results have presented the accuracy of the electro-thermal modelling by operating 30kW IBC prototype at different load conditions.

KW - Reliability analysis

KW - Mission profile

KW - WBGSs

KW - DC/DC converter modeling

M3 - Conference paper

SP - 1

EP - 8

BT - Fifteenth International Conference on Ecological Vehicles and Renewable Energies, EVER2020

PB - EVER

ER -

ID: 53685810