NDLI: Survey of harmonic distortion from power quality measurements and the application of standards including simulation

Content Provider	IEEE Xplore Digital Library
Author	Gopalakrishnan, C. Udayakumar, K. Raghavendiran, T.A.
Copyright Year	2002
Description	Author affiliation: Div. of High Voltage Eng., Anna Univ., Madras, India (Gopalakrishnan, C.)
Abstract	Power quality is of ever growing concern to utilities and customers. The problem associated with high harmonic content in the power system not only results in poor quality of supply but also the operation of the system will get affected. Based on the specific case studies conducted at an industry, which manufactures different brakes for four wheelers, it was observed that 5th and 7th harmonics are predominant. The observations were made at pillar hardening, MIG welding, induction hardening, zinc plating rectifier etc., the issues of current and voltage harmonics are analyzed. Field measurements conducted at various location in the plant were used to develop models for the steady state harmonic analysis of the entire plant. Power flow analysis under study was performed using relevant software and is found that the power factor is identical with measured value. Using PSPICE software the current waveforms are generated at various stages in the industries in order to be identical with the field measurements taken. Field measurements are useful in the design of shunt filter, which is a combination of capacitance and inductance, is used to improve the power factor and harmonics suppression which is in accordance with IEEE 519-1992 to meet the limits on individual distortion and THD. Shunt filter is designed to improve power factor from 0.74 to 0.9. Current THD is reduced considerably.
Starting Page	1054
Ending Page	1058
File Size	252712
Page Count	5
File Format	PDF
ISBN	0780375254
DOI	10.1109/TDC.2002.1177623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-10-06
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Power measurement Measurement standards Power quality Power system simulation Power system harmonics Harmonic analysis Harmonic distortion Distortion measurement Power harmonic filters
Content Type	Text
Resource Type	Article

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