Development of Sustainable Slot Liners for 800 V+ Oil-Cooled Electrical Machines for Passenger Cars
Paper i proceeding, 2025

This paper presents the development of a high-performance slot-liner solution based on thermoplastic PEEK Films tailored for the next generation of 800 V+ oil-cooled electric drive units in automotive applications. The work highlights the critical role of slot-liners as a fundamental component of primary insulation systems to enable the design of electric motors that achieve high efficiency and torque without compromising reliability. To meet the demanding dielectric performance requirements for 800 V+ e-motors, a material development study has been conducted. The results undermine the suitability of PEEK Films for high-voltage slot-liner applications upon meeting the oil compatibility and dielectric performance criteria for passenger cars and heavy-duty vehicles.

Slot liner

Passenger car

800 V+

PDEV

Heavy vehicle

Oil-cooled e-motor

PDIV

BDV

APTIV PEEK Film

Författare

M. Jahirul Islam

Patrick Altmann

Thomas Hammarström

Chalmers, Elektroteknik, Elkraftteknik

Shafigh Nategh

Chalmers, Elektroteknik, Elkraftteknik

James Bonnett

Yuriy Serdyuk

Chalmers, Elektroteknik, Elkraftteknik

2025 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)

2694-0264 (ISSN) 2380-856X (eISSN)

2025 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)
Valetta, Malta,

Drivkrafter

Hållbar utveckling

Innovation och entreprenörskap

Ämneskategorier (SSIF 2025)

Annan elektroteknik och elektronik

Styrkeområden

Transport

Building Futures (2010-2018)

Energi

Materialvetenskap

DOI

10.1109/WEMDCD61816.2025.11014119

Mer information

Skapat

2025-06-30