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Conventional and Improved DSTATCOM Topology to Mitigate Power Quality Issues

Author(s):

Mr. Satish S. Tambe , RKDF-Ist, Bhopal, RGPV (MP); Mr. Pavan N. Salunkhe, SNDCOE&RC; Mr. E Vijay Kumar, RKDF-Ist, Bhopal, RGPV (MP); Mr. Pawan C. Tapre, SNDCOE&RC

Keywords:

Distribution Static Compensator (DSTATCOM), DC-link voltage, DSTATCOM topology, filters, Power Quality (PQ), Voltage Source Converter (VSC)

Abstract

Traditionally linear filters based on combinations of resistors (R), inductors (L) and capacitors (C) called passive filters & static capacitors were used to improve power quality (PQ) which has problems like fixed compensation. However, to mitigate power quality issues a FACTS controller termed as Distribution Static Compensator (DSTATCOM) was introduced in recent years. DSTATCOM addresses various issues like harmonic distortion, reactive power compensation, power factor corrections etc, by injecting or absorbing reactive and harmonic components of load currents. A high power rating voltage source converter (VSC) is used for DSTATCOM. The rating of VSC is based on DC link voltage. Conventional DSTATCOM employs L-type filter interface to reduce DC link voltage which reduces power rating of VSC. In improved DSTATCOM topology LCL-type filter is interface at front end. The comparative review is presented in this paper.

Other Details

Paper ID: IJSRDV4I110417
Published in: Volume : 4, Issue : 11
Publication Date: 01/02/2017
Page(s): 698-702

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