Surveying Solid-State Transformer Structures and Controls: Providing Highly Efficient and Controllable Power Flow in Distribution Grids

Felipe Ruiz Allende , Marcelo A. Perez , José R. Espinosa , Tomasz Gajowik , Sebastian Styński , Mariusz Malinowski

Abstract

The large-scale integration of renewable energy sources (RESs) and the increasing number of energy-storage (ES) systems connected to the grid will create a big challenge for power flow management at the distribution level. In this new scenario, a solid-state transformer (SST) will be a highly efficient key element for providing highly efficient and controllable power flow in distribution grids. SSTs not only mimic the operation of conventional transformers, which scale the voltage level between primary and secondary terminals, but they also control bidirectional power flow, stabilize voltage, facilitate direct integration of ES, and mitigate harmonics and transients, which can cause the power quality of the grid voltage to deteriorate. This article surveys several proposed structures for SSTs in the literature based on different ways of interconnecting power converter topologies.

Author Felipe Ruiz Allende - [Universidad Técnica Federico Santa María]
Felipe Ruiz Allende,,
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, Marcelo A. Perez - [Universidad Técnica Federico Santa María]
Marcelo A. Perez,,
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, José R. Espinosa - [University of Concepcion]
José R. Espinosa,,
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, Tomasz Gajowik (FoEE / ICIE)
Tomasz Gajowik,,
- The Institute of Control and Industrial Electronics
, Sebastian Styński (FoEE / ICIE)
Sebastian Styński,,
- The Institute of Control and Industrial Electronics
, Mariusz Malinowski (FoEE / ICIE)
Mariusz Malinowski,,
- The Institute of Control and Industrial Electronics
Journal seriesIEEE Industrial Electronics Magazine, ISSN 1932-4529, e-ISSN 1941-0115
Issue year2020
Vol14
Pages56-70
Publication size in sheets0.7
ASJC Classification2208 Electrical and Electronic Engineering; 2209 Industrial and Manufacturing Engineering
DOIDOI:10.1109/MIE.2019.2950436
Languageen angielski
Score (nominal)140
Score sourcejournalList
ScoreMinisterial score = 140.0, 17-07-2020, ArticleFromJournal
Publication indicators Scopus Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 4.104; WoS Impact Factor: 2018 = 13.241 (2) - 2018=16.0 (5)
Citation count*2 (2020-09-20)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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