IEEE Power Electronics Magazine - September 2021 - 73

I am a second generation power
electronics engineer, noted Prof.
Lee. " During his presentation, Prof.
Lee talked about the introduction of
bipolar power transistor in 1960s,
giant bipolar junction transistor in
late 1970s, power MOSFETs in late
1970s, and IGBT in mid 1980s. Additionally,
he also discussed average
model presented by Wester &
Middlebrook in 1972 at the PESC
conference, development of permanent
magnet brushless dc motor
and drive in 1978, and soft switching
technologies in early 1980s. In
conclusion, he stated that there has
been lot of evolution in last fifty
years but incremental. " Wide bandgap
devices will change the way we
design and manufacture in the future, "
he asserted.
The last speaker of the day was Dr.
Noriko Kawakami of TMEIC, a company
established in 2003 through the
integration of the
industrial systems
division, the power
electronics systems
division, and the
rotating machinery
division of Toshiba
and Mitsubishi Electric.
Her topic was
" Power Electronics
in Everything: A
Key Technology for
a Carbon Neutral
Society, " which included
trends of PV/
This year, the virtual
event was kicked off
by PELS president
Dr. Liuchen Chang,
professor Emeritus at
the University of New
Brunswick, Canada and
a Fellow of IEEE and
Canadian Academy
of Engineering.
ESS inverters and adopted technologies,
more efficient electricity use in
industry (motor drive inverters), and
Uninterruptible Power System: essential
equipment for the data center reliability
and future application areas. In
her talk, she noted
that power electronics
is integrated into
everything and will
play an important
role in realizing carbon
neutral society
by 2050. By using
wide bandgap devices,
namely silicon
carbide and gallium
nitride, power electronics
re searchers
and engineers will
create efficient solutions
for a wide variety of applications
(Figure 2) to enable carbon neutral society
in the future.
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September 2021 z IEEE POWER ELECTRONICS MAGAZINE 73

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IEEE Power Electronics Magazine - September 2021

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