IEEE Electrification - September 2020 - 7

©ISTOCKPHOTO.COM/CHOMBOSAN

comprise numerous classic
power converters designed
simply for voltage conversion.
They also do not typically contribute to grid stability or resiliency. Moreover, conventional
designs are simply considered
as "grid followers," which passively extract energy from the
grid. Grid-interface and internal energy management are
separately considered. More
holistically integrated solutions are needed to connect
distributed sources to loads
and "form" the grid (Figure 2).
Increasing the switching frequency and thus reducing the
passive component size is a
fundamental way to improve
the performance of power electronics. Power semiconductor
devices, control techniques, magnetics, packaging, and thermal
management all pose difficulties in high-frequency designs.
Advancements are enabled by
rapid developments in widebandgap (WBG) materials and
passive components as well as
supported by new architectures
and fabrication techniques.
Optimally designed high-performance power electronics
leveraging these state-of-theart techniques promises significantly improved efficiency and
power density. Both existing and emerging applications at
the grid edge-ranging from power supplies for low-power
Internet-of-Things (IoT) devices to kilowatt or higher

and smart grids, where power electronics systems serve
as the main energy gateway. One common attribute of
many of these grid-edge energy systems is that they

Grid Edge
Data Center

Energy Router

Solar Inverter

EV Charger
3φ PFC
dc/dc

dc/dc

Figure 1. The new applications open new opportunities. Data centers, smart homes, solar farms, and electric vehicle (EV) charging stations all
need advanced power electronics at the grid edge. PFC: power factor correction.

IEEE Elec trific ation Magazine / S EP T EM BE R 2 0 2 0

7



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IEEE Electrification - September 2020

Table of Contents for the Digital Edition of IEEE Electrification - September 2020

Contents
IEEE Electrification - September 2020 - Cover1
IEEE Electrification - September 2020 - Cover2
IEEE Electrification - September 2020 - Contents
IEEE Electrification - September 2020 - 2
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IEEE Electrification - September 2020 - Cover3
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