IEEE Power & Energy Magazine - May/June 2021 - 17

Codes, " authors Ward Bower and Tom
Key provide an overview of the standards that are most pertinent to microgrids and protection. Among these
are standards developed by the IEEE
SA, sponsored by committees in PES.
For microgrid protection, PES's Power
System Relaying and Control Committee sponsors the working group for
IEEE Standard P2030.12, Guide for
the Design of Microgrid Protection
Systems. Other IEEE SA standards
discussed in the article are the IEEE
1547 series for interconnection and
interoperability, IEEE 2030.7/8 for
microgrid controller functionality and
testing, and UL 1741 for inverter certifications. The authors extend their survey
to IEC TS 62898-3-1: Microgrids-
Technical Requirements-Protection
and Dynamic Control (2019), which
establishes new protection and dynamic
control requirements to address fault

protection and dynamic control problems in microgrids.

Insights From
" In My View " Column
The " In My View " column, " Microgrid
Protection, " is authored by Dan Ton,
manager of the Microgrid Program at
the U.S. Department of Energy. The
column explains the study of microgrid
protection in the context of the overall development of microgrids. The
progression of microgrid technology
goes from 1) stand-alone generators
for backup power to 2) grid-connected entities with renewable generation
and storage that can be islanded during power outages for resiliency to 3)
providers of grid services and participants in markets. The evolution of the
microgrid concept now includes full
microgrid integration with the electric
power system, which brings the sub-

IEC 61850 is my topic ...

ject of protection center stage. This " In
My View " column highlights R&D activities that focus on the challenges of
microgrid protection and the strategic
importance to address protection in
microgrid-related research in the coming years.

The View Ahead
From conversations with academics,
researchers, vendors, and utilities, we
conclude that the needs for advanced
microgrid protection schemes are urgent. Progress on codes and standards
for the seamless integration of microgrids is crucial for facilitating the
wide deployment of microgrid technologies. Microgrid protection depends on the interconnection topology. Connecting to meshed secondary
networks in urban areas poses a
greater challenge in microgrid protection than connection in suburban and

Eugenio Carvalheira
Engineering Manager

As an Engineering Manager in the Power Utility Communication field, I work on
exciting and trend-setting products. Through our developments, we can offer
efficient IEC 61850 testing tools for protection and SCADA engineers. One example
is DANEO 400, which uniquely records and analyzes all conventional signals and
GOOSE and Sampled Values on the substation communication network.
www.omicronenergy.com/puc

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IEEE Power & Energy Magazine - May/June 2021

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