IEEE Electrification - June 2021 - 72
By Rodrigo Henriquez-Auba, Jose Daniel Lara,
Duncan S. Callaway, and Clayton Barrows
Transient
Simulations
With a Large
Penetration
of ConverterInterfaced
Generation
©SHUTTERSTOCK.COM/PLUIE_R
Scientific
computing challenges and opportunities.
URRENT TRENDS IN ENERGY SYSTEMS
C
point to renewable energy sources (RESs)
and battery energy storage systems
(BESSs) becoming prevalent in power system
operations. As of writing this article,
the United States has more than 37 GW of utility-scale
solar capacity and an additional 112 GW under development.
With the rapidly declining capital costs of many of
these technologies, we can expect significant deployments
in the coming years.
The change in the primary energy supply mix isn't the
only large-scale shift happening in power systems. Integrating
massive numbers of generators interfaced through
power electronics is also updating our basic understanding
of system stability and control. One such example of an
advancement is the displacement of traditional rotating
Digital Object Identifier 10.1109/MELE.2021.3070939
Date of current version: 8 June 2021
72
IEEE Electrification Magazine / JUNE 2021
generation, which reduces system inertia. It results in
higher rates of change of frequency, a lower-frequency
nadir following disturbances, and complex interactions
between the dynamics of power electronics converters and
other power systems components.
Over many decades, the power system community has
developed standards to model and study synchronous
machines and controls. These standards include IEEE 1110
and IEEE 421, which provide guidelines about the modeling
practices required to adequately assess system stability
and performance. But the introduction of RESs and
BESSs render the study of these relationships more challenging
because many of the assumptions upon which
existing standards are based may no longer be valid (see
Milano et al. 2018 and Markovic et al. 2021).
Due to the complexity and scale of power system
analysis, researchers rely on computational tools and
simulations to explore and understand the new phenomena
that might emerge in the future systems
2325-5897/21©2021IEEE
http://www.SHUTTERSTOCK.COM/PLUIE_R
IEEE Electrification - June 2021
Table of Contents for the Digital Edition of IEEE Electrification - June 2021
Contents
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IEEE Electrification - June 2021 - Cover2
IEEE Electrification - June 2021 - Contents
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