A High-Density, High-Efficiency, Isolated On-Board Vehicle Battery Charger Utilizing Silicon Carbide Power Devices

Whitaker, Bret; Barkley, Adam; Cole, Zach; Passmore, Brandon; Martin, Daniel; McNutt, Ty R.; Lostetter, Alexander B.; Lee, Jae Seung; Shiozaki, Koji

doi:10.1109/tpel.2013.2279950

A High-Density, High-Efficiency, Isolated On-Board Vehicle Battery Charger Utilizing Silicon Carbide Power Devices

Journal Article · Thu May 01 04:00:00 EDT 2014 · IEEE Transactions on Power Electronics

DOI:https://doi.org/10.1109/tpel.2013.2279950· OSTI ID:1136648

Whitaker, Bret ^[1]; Barkley, Adam; Cole, Zach; Passmore, Brandon; Martin, Daniel; McNutt, Ty R.; Lostetter, Alexander B.; Lee, Jae Seung; Shiozaki, Koji

Arkansas Power Electronics International, Inc.

This paper presents an isolated on-board vehicular battery charger that utilizes silicon carbide (SiC) power devices to achieve high density and high efficiency for application in electric vehicles (EVs) and plug-in hybrid EVs (PHEVs). The proposed level 2 charger has a two-stage architecture where the first stage is a bridgeless boost ac-dc converter and the second stage is a phase-shifted full-bridge isolated dc-dc converter. The operation of both topologies is presented and the specific advantages gained through the use of SiC power devices are discussed. The design of power stage components, the packaging of the multichip power module, and the system-level packaging is presented with a primary focus on system density and a secondary focus on system efficiency. In this work, a hardware prototype is developed and a peak system efficiency of 95% is measured while operating both power stages with a switching frequency of 200 kHz. A maximum output power of 6.1 kW results in a volumetric power density of 5.0 kW/L and a gravimetric power density of 3.8 kW/kg when considering the volume and mass of the system including a case.

Research Organization:: Arkansas Power Electronics International (APEI), Inc., Fayetteville, AR (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AR0000111

OSTI ID:: 1136648

Report Number(s):: DOE-APEI-01111-10

Journal Information:: IEEE Transactions on Power Electronics, Journal Name: IEEE Transactions on Power Electronics Journal Issue: 5 Vol. 29; ISSN 0885-8993

Publisher:: IEEE

Country of Publication:: United States

Language:: English

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