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http://dx.doi.org/10.5207/JIEIE.2004.18.3.120

The Ground Impedance Influence on Neutral Harmonic Currents  

Kim, Kyung-Chul (홍익대학교 전기공학과)
Paik, Seung-Hyun (홍익대학교 전기공학과 대학원)
Lee, Il-Moo ((주)피에스디테크)
Kim, Jong-Uk (동양산전(주))
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.18, no.3, 2004 , pp. 120-127 More about this Journal
Abstract
With the proliferation of nonlinear loads such as switching mode power supplies, high neurtral harmonic currents in three-phase four-wire distribution system have been observed. It has been known that the grounded impedance has an effect on the neutral current of a system which operates with harmonics present since the neutral conductor is grounded. On-site measurements of harmonic currents and voltages were made and the corresponding equivalent circuit was developed. The circuit model under study was simulated numerically and graphically through the use of the software MATLAB. Simulation results verifying the relationship between the neutral harmonic current and ground impedance are presented.
Keywords
Neutral harmonic currents; Ground impedance; Equivalent circuit; Switching mode power supply; Total harmonic distortion;
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  • Reference
1 J.C Balda and et al., 'Measurements of Neutral Current and Voltages on a Distrivution Feeder', IEEE Transaction on Power Delivery, October 1997
2 '고조파 발생 장치 사양서', (주)피에스디데크, 2002
3 IEEE Std 81-1983, ' IEEE guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surfaoe Potentials of a Ground System', IEEE Inc, 1983
4 'MATLAB User's Manual', Math Work, 2002
5 M, Nayel and et al., 'A Study on a Mutual Grounding Impedance and Its Transient Characteristic', IEEE Transmission and Distribution Conference , 2002
6 I.F. Gonos, F.V Topalis and I.A. Stathopulos, 'Transient Impedance of Grounding Rods', IEEE High Voltage Engineering Symposium, 1999
7 IEEE Std 519-1992, 'IEEE Recommended Practices and Requirenments for Harmonic Control in Electrical Power Systems', IEEE Inc, April 1993
8 '3030A Profiler ', Dranetz BMI, 2000
9 J.A. Cadzow and H.R. Martens, 'Discrete-time and Computer Control Systems', Prentice-Hall Inc, 1970
10 '중성선 영상 고조파 저감 장치 사양서', (주) 피에스디테크, 2003