RESEARCH ARTICLE

Tuned reactive power dispatch through modified differential evolution technique

  • S. BISWAS (RAHA) ,
  • N. CHAKRABORTY
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  • Department of Power Engineering, Jadavpur University, Saltlake 2nd Campus, Kolkata 700098, India

Received date: 02 Mar 2012

Accepted date: 26 Apr 2012

Published date: 05 Jun 2012

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg

Abstract

This paper explores the capability of modified differential evolution (MDE) technique for solving the reactive power dispatch (RPD) problem. The proposed method is based on the basic differential evolution (DE) technique with a few modifications made into it. DE is one of the strongest optimization techniques though it suffers from the problem of slow convergence while global minima appear. The proposed modifications are tried to resolve the problem. The RPD problem mainly defines loss minimization with stable voltage profile. To solve the RPD problem, the generator bus voltage, transformer tap setting and shunt capacitor placements are controlled by the MDE approach. In this paper, IEEE 14-bus and IEEE 30-bus systems are chosen for MDE implementation. The applied modification show much improved result in comparison to normal DE technique. Comparative study with other soft-computing technique including DE validates the effectiveness of the proposed method.

Cite this article

S. BISWAS (RAHA) , N. CHAKRABORTY . Tuned reactive power dispatch through modified differential evolution technique[J]. Frontiers in Energy, 2012 , 6(2) : 138 -147 . DOI: 10.1007/s11708-012-0188-8

Acknowledgements

This work was supported by Jadavpur University and financially supported by DST sponsored INSPIRE Fellowship.
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