IEEE Electrification - December 2020 - 5

the MG communication network
(stacks, protocols, and models)
should be constructed in both the
Internet of Things and energy
domains. The attack detection
and mitigation strategies are new
technologies that should be introduced to address cybersecurity
issues for the MG system. The
attack detection schemes attempt
to generate an alarm during
attacks, while attack mitigation
methods aim to eliminate the
consequent effects in the presence of attacks. To present some
actions to achieve restoration and
prevent the system from physical
destruction, the resilience of the
MG would have to be improved.
This can be achieved by increasing the MG situational awareness,
which consists of preparedness,
perception, and responsiveness.
The preparation generally requests a reinforced and re dundant hardware design of
the system. The perception is

responsible for monitoring the
operational environment. Eventually, the responsiveness forces the
microgrids to perform effectively
to deal with cyberattacks.
x " Unmanned Aerial Vehicles in
Modern Power Systems: Technologies, Use Cases, Outlooks, and
Challenges, " by Farrokh Aminifar
and Farnoosh Rahmatian, asserts
that unmanned aerial vehicle
(UAV) technology can be used in
large infrastructures to inspect
devices remotely, enabling preventive maintenance and real-time
hardware setting adjustments.
Onboard high-resolution and
thermal cameras, along with
other mission-oriented sensors,
enable UAVs to perform precise
inspections of power distribution
and transmission lines, telecommunication towers, railroads,
roadways, oil and gas pipelines
and platforms, piers, skyscrapers,
bridges, mines, wind turbines,
and storage tanks. At present,

energy companies are using
UAVs for high-fidelity inspections of transmission line power
equipment, including towers,
poles, insulators, conductors,
guard wires, and accessories. In
addition, UAVs can enable the
early detection of sagging spans,
leaning poles, broken or slack
stay wires, broken or chipped
insulators, and discolorations
due to corrosion. Infrared cameras can use thermal imaging to
inspect power lines and substations, revealing incipient insulator or splice failures as well as
loose connections due to local
temperature increases. Ultraviolet cameras mounted on UAVs
can also detect abnormal corona
discharges around insulators, fittings, and conductor surfaces.
We would like to thank Prof. Lingling Fan, editor-in-chief of IEEE Electrification Magazine, who guided the
process elegantly for the completion
of this special issue.

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IEEE Electrification - December 2020

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