IEEE Power & Energy Magazine - May/June 2018 - 84

awards

Hirofumi Akagi
2018 IEEE Medal in Power Engineering winner

T

T h e I e e e M e da l I n P ow e r
engineering was established in august
2008. It is presented to an individual
for outstanding contributions to the
technology associated with the generation, transmission, distribution, application, and utilization of electric power
for the betterment of society. The award
consists of a gold medal, bronze replica,
certificate, and honorarium.
The medal is sponsored by the Ieee
Industry applications, Industrial electronics, Power electronics Society, and
Power & energy Societies. The 2018
Ieee Medal in Power engineering
was awarded to hirofumi akagi "for
pioneering contributions to theory and
practice of power conversion systems
and their applications."

Hirofumi Akagi
hirofumi akagi is
one of the most prolific contributors to
increasing the use
of power electronics
to benefit power systems. his pioneering
work on power conversion techniques
has led to energy-saving applications in
industrial and residential systems and
has been integral to advances in renew-

Digital Object Identifier 10.1109/MPE.2018.2801444
Date of publication: 18 April 2018

84

ieee power & energy magazine

able energy systems, electric/hybrid vehicles, and energy storage.
akagi presented the first paper on the
theory of instantaneous active and reactive
power in three-phase
circuits. Known as p-q
theory, akagi applied it
to a three-phase reactive power compensator
consisting of switching devices without any
bulky energy storage
component. he also experimentally verified innovative operating characteristics that had, until
then, been impossible to
obtain through the application of conventional
reactive-power theory
in single-phase circuits.
Considered a fundamental theory for threephase circuits, akagi's
p-q theory has allowed
students and power engineers to gain insight into
the instantaneous concept of voltage, current, active power, and reactive power. It
has provided breakthroughs in the control
of static synchronous compensators and
unified power flow controllers in highvoltage transmission systems as well as
pure and hybrid active filters.
akagi's work on developing the threelevel neutral-point-clamped (nPC) inverter

has impacted high-power converters for medium-voltage motor drives and
grid-tied applications. The nPC concept,
which marked the beginning of multilevel converter technology,
has been used around
the world in photovoltaic inverters, general-purpose inverters,
steel mill drives, and
bullet trains.
akagi has tackled
the detrimental effects of
electromagnetic interference (eMI) encountered
in power conversion
systems with innovative
research leading to active and passive filters
for reducing conductive eMI and bearing
current in motor-drive
systems. he is also well
known for his innovations regarding pure and
hybrid active filters for
power conditioning.
an Ieee Fellow and recipient of
the 2008 Ieee richard h. Kaufmann
award, akagi is a distinguished research professor with the department
of electrical and electronic engineering at the Tokyo Institute of Technology, Japan.

The 2018 IEEE
Medal in Power
Engineering
was awarded to
Hirofumi Akagi
"for pioneering
contributions
to theory and
practice of power
conversion
systems and their
applications."

p&e

may/june 2018



Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - May/June 2018

Contents
IEEE Power & Energy Magazine - May/June 2018 - Cover1
IEEE Power & Energy Magazine - May/June 2018 - Cover2
IEEE Power & Energy Magazine - May/June 2018 - Contents
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IEEE Power & Energy Magazine - May/June 2018 - Cover3
IEEE Power & Energy Magazine - May/June 2018 - Cover4
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