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ATZheavy duty worldwide
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01-05-2023 | Development

High-voltage Electrically Driven Fan for Electrified Commercial Vehicles

Authors: Ralf Christmann, Sascha Karstadt, Frank Haase, Tom Heuer

Published in: ATZheavy duty worldwide | Issue 1/2023

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Excerpt

BorgWarner is developing a range of electrically driven high-voltage fans for commercial vehicles, addressing the increasing demand for active cooling and ventilation in battery-electric and fuel cell drives. The fans, compliant with ISO 16750 and IPX6/IP6K9K standards, are designed to provide the necessary cooling capacities and torques while minimizing parasitic losses and noise emissions. Aerodynamic optimization of the fan impeller is crucial, ensuring synchronization with the electric motor and achieving high efficiency. The article highlights two approaches: a high-power variant with an axial-flux motor and scalable variants using synchronous motors with external rotors. Additionally, the inverter concept is discussed, emphasizing the importance of functional safety and modular software design. The development process, including CFD simulations and FEA analyses, ensures the fans meet the stringent requirements of modern electrified commercial vehicles.
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Metadata
Title
High-voltage Electrically Driven Fan for Electrified Commercial Vehicles
Authors
Ralf Christmann
Sascha Karstadt
Frank Haase
Tom Heuer
Publication date
01-05-2023
Publisher
Springer Fachmedien Wiesbaden
Published in
ATZheavy duty worldwide / Issue 1/2023
Electronic ISSN: 2524-8774
DOI
https://doi.org/10.1007/s41321-023-1016-2

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