IEEE Power Electronics Magazine - September 2022 - 24

Stage I
Stage II
A1 B1 C1 A2 B2 C2
C4 B4 A4 C3 B3 A3
(a)
DC input
(a)
PMT
Stage III
A5 B5 C5 A6 B6 C6
Submodule
Pressure
meter
(b)
FIG 13 (a) A submodule for a 2-kV 1-MVA integrated motor
drive with a power density of 38.45 kW/kg. (b) The submodule
under partial discharge evaluation in an altitude chamber at
87 torr.
FIG 14 (a) Three stages with nine submodules in a series configuration
for the inductive 2-kV 1-MVA test. (b) Test waveforms
from the test that shows three phase B currents with one from
each stage.
(b)
(a)
(b)
(c)
FIG 15 (a) 2-kV, 1-MVA IMMD. (b) The IMMD under initial test. (c) Test configuration of the IMMD inside a large altitude chamber at
NASA's NEAT facility. Source: NASA NEAT facility.
protection of onboard power distribution systems,
eVTOL, power converters for space applications, radiation
hardened designs, reliability, etc. The inaugural workshop,
as part of the IEEE/AIAA Transportation
Electrification Conference and Electric Aircraft Technologies
Symposium was held in June 2022. To build a technical
foundation for future workshops, the 2022 workshop
had focused on high voltage related challenges for aerospace
power electronics. Experts representing NASA,
industry, academia, the Technical Committee on Transportation
Electrification at the IEEE Dielectrics and Electrical
Insulation Society, and SAE high voltage committees
24 IEEE POWER ELECTRONICS MAGAZINE z September 2022
had participated to share their insight, showcase recent
developments, and discuss remaining challenges for the
road ahead.
The 2023 workshop will be hosted at the University
of Nottingham with a focus on electric propulsion.
The 2024 workshop will be focusing on EMI with location
yet to be decided. Volunteers and suggestions on
future workshop topics and locations are welcome.
About the Author
Jin Wang (wang.1248@osu.edu) is a Professor at The
Ohio State University, Columbus, OH, USA. He conducts

IEEE Power Electronics Magazine - September 2022

Table of Contents for the Digital Edition of IEEE Power Electronics Magazine - September 2022

Contents
IEEE Power Electronics Magazine - September 2022 - Cover1
IEEE Power Electronics Magazine - September 2022 - Cover2
IEEE Power Electronics Magazine - September 2022 - Contents
IEEE Power Electronics Magazine - September 2022 - 2
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IEEE Power Electronics Magazine - September 2022 - Cover3
IEEE Power Electronics Magazine - September 2022 - Cover4
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