Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency Improvement

This research investigates the advantages of Kelvin-connected 4-pin discrete transistors, both MOSFETs and IGBTs, in onboard battery chargers for electric vehicles. The study compares the standard 3-pin and the extended 4-pin packages based on averaged data collected from leading manufacturers. The...

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Main Authors: Borislav Dimitrov, Richard McMahon
Format: Article
Language:English
Published: MDPI AG 2024-09-01
Series:Electricity
Subjects:
Online Access:https://www.mdpi.com/2673-4826/5/4/34
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author Borislav Dimitrov
Richard McMahon
author_facet Borislav Dimitrov
Richard McMahon
author_sort Borislav Dimitrov
collection DOAJ
description This research investigates the advantages of Kelvin-connected 4-pin discrete transistors, both MOSFETs and IGBTs, in onboard battery chargers for electric vehicles. The study compares the standard 3-pin and the extended 4-pin packages based on averaged data collected from leading manufacturers. The investigation shows significant potential power loss reduction, thermal operation mitigation, and reduced gate-drive oscillation for the 4-pin package. The benefits have been quantified by analysing the operation of actual switches in an automotive battery charger based on Boost-PFC and DC-DC LLC converters. The converters’ practical design demonstrates a procedure for integrating the Kelvin-connected package into the design methodology. The results have been verified experimentally.
format Article
id doaj-art-dcf0332b408e4fb885063364b7a5ce56
institution DOAJ
issn 2673-4826
language English
publishDate 2024-09-01
publisher MDPI AG
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series Electricity
spelling doaj-art-dcf0332b408e4fb885063364b7a5ce562025-08-20T02:56:06ZengMDPI AGElectricity2673-48262024-09-015468471110.3390/electricity5040034Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency ImprovementBorislav Dimitrov0Richard McMahon1Warwick Manufacturing Group, Warwick University, Coventry CV4 7AL, UKWarwick Manufacturing Group, Warwick University, Coventry CV4 7AL, UKThis research investigates the advantages of Kelvin-connected 4-pin discrete transistors, both MOSFETs and IGBTs, in onboard battery chargers for electric vehicles. The study compares the standard 3-pin and the extended 4-pin packages based on averaged data collected from leading manufacturers. The investigation shows significant potential power loss reduction, thermal operation mitigation, and reduced gate-drive oscillation for the 4-pin package. The benefits have been quantified by analysing the operation of actual switches in an automotive battery charger based on Boost-PFC and DC-DC LLC converters. The converters’ practical design demonstrates a procedure for integrating the Kelvin-connected package into the design methodology. The results have been verified experimentally.https://www.mdpi.com/2673-4826/5/4/34battery chargerLLCboost PFCKelvin connectionIGBTMOSFET
spellingShingle Borislav Dimitrov
Richard McMahon
Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency Improvement
Electricity
battery charger
LLC
boost PFC
Kelvin connection
IGBT
MOSFET
title Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency Improvement
title_full Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency Improvement
title_fullStr Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency Improvement
title_full_unstemmed Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency Improvement
title_short Design and Experimental Verification of Electric Vehicle Battery Charger Using Kelvin-Connected Discrete MOSFETs and IGBTs for Energy Efficiency Improvement
title_sort design and experimental verification of electric vehicle battery charger using kelvin connected discrete mosfets and igbts for energy efficiency improvement
topic battery charger
LLC
boost PFC
Kelvin connection
IGBT
MOSFET
url https://www.mdpi.com/2673-4826/5/4/34
work_keys_str_mv AT borislavdimitrov designandexperimentalverificationofelectricvehiclebatterychargerusingkelvinconnecteddiscretemosfetsandigbtsforenergyefficiencyimprovement
AT richardmcmahon designandexperimentalverificationofelectricvehiclebatterychargerusingkelvinconnecteddiscretemosfetsandigbtsforenergyefficiencyimprovement