NDLI: Voltage regulation characteristics of transformer-less uninterruptible power supply without voltage divide capacitor

Content Provider	IEEE Xplore Digital Library
Author	Hirota, Atsushi Guo, Bin Mekhilef, Saad Nakaoka, Mutsuo
Copyright Year	2013
Description	Author affiliation: The Electrical and Computer Engineering Akashi National College of Technology Akashi, Japan (Hirota, Atsushi) \|\| Panasonic Kusatsu, Japan (Guo, Bin) \|\| University of Malaya, Kuala Lumpur, Malaysia (Mekhilef, Saad) \|\| The Electric Energy Saving Research Center, University of Malaya / Kyungnam University Kuala Lumpur, Malaysia / Masan, Korea-South (Nakaoka, Mutsuo)
Abstract	Power supplies prepare for a power failure often apply converters in the input side, and use inverters in the output side. The input side and the output side of power supply are coupled by high frequency transformer. This method requires a transformer. Because the switch devices included in the power flow increase, the power conversion efficiency declines. Though, high frequency transformer-less circuits are proposed, these circuits often use voltage divide capacitors. And these schemes require the voltage balance control of the voltage divide capacitors. This paper mentions about the transformer-less uninterruptible power supply which can omit the voltage divide capacitors. Delta-sigma modulation technique is introduced to the power supply and the proposed scheme has output voltage regulation function.
Starting Page	1
Ending Page	5
File Size	128021
Page Count	5
File Format	PDF
ISBN	9781467351942
ISSN	21635145
e-ISBN	9781467351935
DOI	10.1109/ISIE.2013.6563718
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-28
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switches Voltage control Capacitors Frequency modulation Pulse width modulation Power supplies PI controller transformer-less voltage divide capacitor output voltage regulation
Content Type	Text
Resource Type	Article

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