IEEE Power Electronics Magazine Compendium - March 2018 - 79

Reprinted from September 2015 issue of IEEE Power Electronics Magazine

A Transformerless
Intelligent Power
Substation
IMAGES LICENSED BY INGRAM PUBLISHING

A three-phase SST enabled by a 15-kV SiC IGBT
by Krishna Mainali, Awneesh Tripathi, Sachin Madhusoodhanan, Arun Kadavelugu,
Dhaval Patel, Samir Hazra, Kamalesh Hatua, and Subhashish Bhattacharya

T

he solid-state transformer (SST) is a promising
power electronics solution that provides voltage regulation, reactive power compensation,
dc-sourced renewable integration, and communication capabilities, in addition to the traditional step-up/step-down functionality of a transformer. It
is gaining widespread attention for medium-voltage (MV)

Digital Object Identifier 10.1109/MPEL.2015.2449271
Date of publication: 4 September 2015

2329-9207/15©2015IEEE

grid interfacing to enable increases in renewable energy
penetration, and, commercially, the SST is of interest for
traction applications due to its light weight as a result of
medium-frequency isolation. The recent advancements in
silicon carbide (SiC) power semiconductor device technology are creating a new paradigm with the development of
discrete power semiconductor devices in the range of
10-15 kV and even beyond-up to 22 kV, as recently
reported. In contrast to silicon (Si) IGBTs, which are limited to 6.5-kV blocking, these high-voltage (HV) SiC
September 2015

z	IEEE PowEr ElEctronIcs MagazInE

79



Table of Contents for the Digital Edition of IEEE Power Electronics Magazine Compendium - March 2018

Contents
IEEE Power Electronics Magazine Compendium - March 2018 - Cover1
IEEE Power Electronics Magazine Compendium - March 2018 - Cover2
IEEE Power Electronics Magazine Compendium - March 2018 - Contents
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IEEE Power Electronics Magazine Compendium - March 2018 - Cover4
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