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segunda-feira, 10 de novembro de 2014

Study on Management Standards of Total Harmonics Distortion(THD) measured from UPS Jeong,Unho Department of Electrical and Electronic Engineering Graduate School,Dongshin University




Study on Management Standards of Total
Harmonics Distortion(THD) measured from UPS
Jeong,Unho
Department of Electrical and Electronic Engineering
Graduate School,Dongshin University
(SupervisorbyProfessor:Ph.D.Kim,Dong-Min)

The purpose of this paper is to describe UPS(Uninterruptible Power
Supply) in a comprehensive measure THD(Total Harmonic Distortion)
and compared with domestic and international management standards
in harmonics, harmonics reduction measures by analyzing the
appropriate UPS technology. Harmonics generated by the UPS
measurements of national standards was confirmed appropriate, UPS
comprehensive harmonic currents measured range THD-I limits for
national standards, the reference by KSC 4310, THD-V for domestic
not based on the site was confirmed. Therefore,The IEEE(Institute of
Electrical and Electronics Engineers)Std.519 is applied in this paper as
a reference for domestic standards on THD-V limits management.In
recent years,according to integration of KSC standards into IEC,UPS
standards are being revised as KSC IEC 62040,butthere are still no
regulations for THD-V and THD-IaboutUPS causing confusions in
some aspects.
LINK
http://www.mediafire.com/view/1bahx2wgay96n9a/Study_on_Management_Standards_of_Total_Harmonics_Distortion(THD)_measured_from_UPS.pdf

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