IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
A single-phase on-line UPS system for multiple load transformers
Syed Sabir Hussain BukhariByung-il Kwon
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JOURNALS FREE ACCESS

2017 Volume 14 Issue 5 Pages 20170050

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Abstract

Numerous loads require the installation of load transformers for electrical isolation or voltage matching. When these loads are powered by a single-phase on-line UPS system, a high magnitude of transient inrush current is often observed due to the energizing of the load transformer. In this paper, we propose a novel single-phase on-line UPS system that eliminates the generation of inrush current while powering multiple load transformers. The performance of the proposed single-phase UPS system is endorsed by our experimental results obtained using a small laboratory-sized prototype.

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© 2017 by The Institute of Electronics, Information and Communication Engineers
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