Reliability of Power Electronic Systems for EV/HEV Applications

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The electrification of the transportation sector is
moving on at a fast pace. All car manufacturers have strong
programs to electrify their car fleet to fulfill the demands of
society and customers by offering carbon-neutral technologies to
bring goods and persons from one location to another. Power
electronics technology is in this evolution essential and also in
a rapid development technology-wise. Some of the introduced
technologies are quite mature and the systems designed must
have a high reliability as they can be quite complicated from an
electrical perspective. Therefore, this paper focuses on the reliability of the used power electronic systems applied in EVs and
HEVs. It introduces the reliability requirements and challenges
given for the power electronics applied in EV/HEV applications.
Then the advances in power electronic components to address
the reliability challenges are introduced as they individually
contribute to the overall system reliability. Reliability-oriented
design methodology is also discussed, including two examples:
an EV on-board charger and the drive train inverter. Finally, an
outlook in terms of research opportunities in power electronics
reliability related to EV/HEVs is provided. It can be concluded
that many topics are already well handled in terms of reliability,
but issues related to complete new technology introduction are
important to keep the focus on.
TidsskriftProceedings of the IEEE
Sider (fra-til)1-17
Antal sider17
StatusE-pub ahead of print - 2020

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