Optimal placement of DSTATCOM, DG and their performance analysis in deregulated power system
by Surajit Sannigrahi; Sriparna Roy Ghatak; Debarghya Basu; Parimal Acharjee
International Journal of Power and Energy Conversion (IJPEC), Vol. 10, No. 1, 2019

Abstract: Recently, incorporation of distributed generation (DG) and distributed static compensator (DSTATCOM) is increased in radial distribution system (RDS) due to the enormous electrical energy demand, power system deregulation, and different restriction over existing network expansion. However, the proper allocation of these devices is essential to ensure maximum potential benefit from the device. In this article, the optimal placement of DG and DSTATCOM is determined on IEEE 33-bus and 69-bus RDS with an aim to enhance voltage profile, reduce line losses, and maximise financial benefit. To reduce the search space and computational burden, the performance assessments of these devices are carried out only at weak bus locations that are identified using voltage stability index (VSI). To quantify the financial benefit after a certain period of time, authors developed a logical formula namely economic benefit (EB). In addition, an innovative formula namely relative pollution index (RPI) is developed to assess the environmental impact of these devices. First time, on the basis of the technical, economical, and environmental aspects, performance comparison between DG and DSTATCOM is thoroughly analysed in this study, which will facilitate the planning engineers to identify the most beneficial device for the RDS.

Online publication date: Mon, 10-Dec-2018

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