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http://dx.doi.org/10.5207/JIEIE.2003.17.6.130

Development of Power Quality Measurement System for Harmonics Diagnosis of Electrical Equipment  

유재근 (한국전기안전공사 전기안전연구원 진단연구1팀)
이상익 (한국전기안전공사 전기안전연구원 진단연구1팀)
전정채 (한국전기안전공사 전기안전연구원 진단연구1팀)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.17, no.6, 2003 , pp. 130-137 More about this Journal
Abstract
Because of falling-off in power quality by harmonics, obstacles like lowering of capability, noise, vibration of power facilities and so on are occurred. Also generation of harmonics is inevitable and the point at harmonics is seriously gathering strength because energy saving installation using semiconductor circuit as countermeasures to enhance energy efficiency will be broadly spread and the use of energy conversion equipment like motor speed control contrivance, energy keeping installation and so on will increase, in the future. In order to eliminate harmonics obstacle, precision measurement and analysis on voltage, current, power factor, the each ingredient of harmonic order, the percentage of total harmonic distortion, and so forth are needed. In this paper, we developed low-cost measurement system to measure and analyze power quality connected with harmonics and verified it's performance by measuring and analyzing power quality in the three-phase and four-wire system.
Keywords
Harmonics; Total Harmonic Distortion; Power Quality; Electrical Equipments;
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