Harmonic Mitigation in AC?DC Converters for Induction Motor Drives by Vector Controlled
Journal: International Journal of Computational Engineering Research(IJCER) (Vol.2, No. 7)Publication Date: 2012-11-30
Authors : BANOTH LAXMAN NAIK CH HARI KRISHNA;
Page : 01-08
Keywords : ;
Abstract
This paper deals with autotransformer-based multipulse ac?dc converters with reduced magnetics feeding vector controlled induction motor drives for improving the power quality at the point of common coupling. The proposed 12-pulse ac? dc converter-based harmonic mitigator consists of an autotransformer alongwith a passive shunt filter tuned for 11th harmonic frequency. This results in the elimination of 5th, 7th, and 11th harmonic currents. Similarly, the proposed 18-pulse ac?dc converterbased harmonic mitigator eliminates the 5th, 7th, 11th, 13th, and 17th harmonic currents, thereby improving the power quality at ac mains. The experimentation is carried out on the developed prototype of autotransformers-based ac?dc converters. Different power quality indexes of the proposed 12- pulse ac?dc converters are obtained from simulation and verified from experimental results.
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Last modified: 2012-12-15 14:30:35