A Study on Management Standards of Total Harmonics Distortion(THD)measured from UPS - Jeong,Unho Department of Electrical and ElectronicEngineering Graduate School,Dongshin University
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 i applied in this paper as
a reference for domestic standards on THD-V limits management.In
recent years,according to integration of KSC standards in to IEC,UPS
standards are being revised as KSC IEC 62040,but there are still no
regulations for THD-V and THD-Iabout UPS causing confusions in
some aspects.Accordingly,in the KSC IEC management standards to be
amended which are related to UPS,I consider the introduction of the
integrated regulatory limits on THD-V andTHD-I which are currently
mixed to be very urgent. Therefore In this paper, we measured the
THD-I and THD-V for UPS domestic and international management
standards and harmonic comparison and analysis results were as
follows.
LINK
http://www.mediafire.com/view/zfro9hz339iatjb/A_Study_on_Management_Standards_of_Total_Harmonic_Distortion%28THD%29_measured_from_UPS.pdf
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