Simultaneous allocation of multiple distributed generators and shunt capacitor banks in radial distribution systems using grasshopper optimisation algorithm

Suresh Kumar Sudabattula, M. Kowsalya and Velamuri Suresh

International Journal of Energy Technology and Policy, 2020, vol. 16, issue 5/6, 563-586

Abstract: Electricity has become a part of day to day life of the people. With the increase in population, electricity demand is also raised. The development of distribution systems (DSs), the optimal utilisation of shunt capacitor banks (SCBs) and distributed generators (DGs) in the DSs are heightened. In this paper, a methodology is proposed to allocate both DGs and SCBs simultaneously on the DS. The objectives are to minimise power loss, improving the voltage profile and voltage stability index (VSI) of the DS. First locations of DGs and SCBs are found out by loss sensitivity factor (LSF) technique. Next grasshopper optimisation algorithm (GOA) is used to determine the rating of these sources. The methodology is implemented on IEEE 33 and 69 bus test systems considering optimal allocation of multiple DGs without and with placement of capacitors. Finally, the results obtained by the proposed method are compared with GA/PSO and PSO methods.

Keywords: distributed generators; DGs; shunt capacitor banks; SCBs; loss sensitivity factor; LSF; grasshopper optimisation algorithm; GOA; power loss; voltage stability index; VSI. (search for similar items in EconPapers)
Date: 2020
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