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Solid State Transformer: An Overview of Circuit Configurations and Applications

Lookup NU author(s): Nasiru Kadandani, Dr Mohamed Dahidah, Dr Salaheddine Ethni, Dr Jingjing Yu

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This is the authors' accepted manuscript of a conference proceedings (inc. abstract) that has been published in its final definitive form by IEEE, 2019.

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Abstract

This paper first outline the motivation behind solid state transformer (SST) against conventional line frequency transformer (LFT) as well as its functional futures and benefits and secondly explore all the possible configurations of SST in terms of circuit configurations, advantages, disadvantages and their potential areas of applications. Four circuit configurations considered in this paper include; single stage SST, two stage SST with low voltage DC link (LVDC), two stage SST with high voltage DC link (HVDC) and three stage SST. Our findings reveals that apart from providing voltage regulation, SST can provide other additional ancillary services to the grid to enable it cope with transients. These services (such as power quality improvement, fault isolation, instantaneous voltage regulation, active and reactive power compensation) are not offered by LFT, as such SST is considered as the potential transformer in smart grid applications, renewable energy integration, modern traction systems and other applications where space and volume are critical.


Publication metadata

Author(s): Kadandani N, Dahidah M, Ethni S, Yu J

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 15th IET International Conference on AC and DC Power Transmission

Year of Conference: 2019

Pages: 6

Online publication date: 18/04/2019

Acceptance date: 02/04/2016

Date deposited: 19/02/2019

ISSN: 9781839530074

Publisher: IEEE

URL: https://doi.org/10.1049/cp.2019.0096

DOI: 10.1049/cp.2019.0096


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