IEEE Power Electronics Magazine - June 2019 - 86

by K. Biju

IEEE IAS/IES/PELS Kerala Joint
Chapter Hosts Distinguished
Lecturer Prof. Agelidis

O

n 1 March 2019, Prof. Vassilios G. Agelidis from Denmark Technical University,
(DTU), Kongens Lyngby, presented a
Distinguished Lecture at Sree Chitra Thirunal College of Engineering
in Thiruvananthapuram, India, on
the topic of large-scale solar photovoltaic (PV) electricity grid integration (Figure  1). In his talk, he
explained why renewable energy
sources are not stable and that
more reliable methods are needed,
emphasizing developing more than
100% renewable energy. He also
explained inertia's effect on the
dynamic performance of wind turbines, the need to stabilize grids,
and uses for off-grid energy-harnessing methods.
Prof. Agelidis classified uncertainty as the major challenge for
renewable energy sources and addressed other related challenges.
He suggested using electric vehicles
(EVs) as mobile power storage to
eliminate the need for costly stationary grid storage for energy from renewable sources. He also suggested
using synergies by integrating different energy sources.
Most of the EVs are autonomous,
such as electric cars made by Tesla.
Digital Object Identifier 10.1109/MPEL.2019.2910973
Date of publication: 18 June 2019

86

IEEE POWER ELECTRONICS MAGAZINE

FIG 1 Prof. Vassilios G. Agelidis (standing, fourth from left) of DTU with attendees of his
Distinguished Lecture at Sree Chitra Thirunal College of Engineering in Thiruvananthapuram, Kerala. (Source: K. Biju; used with permission.)

and sustainable. Digitalization is
With advances in artificial intelligence, these cars can make their own
already improving the safety, producdecisions. They also
tivity, accessibility,
can learn the driver's
and sustainability
weekly schedule and,
of energy systems.
Prof. Agelidis
without any need
P rof. A ge l id i s ofsuggested using
for commands, do
fered insights into
electric vehicles as
things on their own.
PV inverters; the difmobile power storage
For instance, such
ferences bet ween
cars can retrieve
central, string, and
to eliminate the need
d e tails about the
modular inverters;
for costly stationary
closest recharge
grid voltage-monigrid storage for energy
points and charge
toring methods; and
from renewable
the vehicle's battery
t he generat ion of
sources.
while the driver is
grids. He discussed
in his or her office.
t he cha l lenges i n
This can help to save
PV inverter design
time with the charging process.
and the inf luence of new semiconductors, namely silicon carbide and
In coming deca des, digital techgallium nitride. He concluded by
nologies could make energ y sys presenting the requirements of nexttems around the world more congeneration PV inverters.
nected, intelligent, efficient, reliable,

z	June 2019



IEEE Power Electronics Magazine - June 2019

Table of Contents for the Digital Edition of IEEE Power Electronics Magazine - June 2019

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IEEE Power Electronics Magazine - June 2019 - Contents
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