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Impact Assessment of Optimal Integration of Combined DG and D-STATCOM Allocation for Active Distribution System Enhancement with Loading Variations

Renewable Distributed Generation (RDG) is a promising alternative to conventional power generation methods because it reduces power losses and dependence on central power generation. However, when DG is deployed, it doesn’t always provide the reactive power needed for proper voltage regulation leading to low voltage on some buses. To achieve the maximum benefits of a DG unit, a combined DG and D-STATCOM allocation is evaluated. The selection of the optimal capacity and position of these compensators requires appropriate optimization methods to be solved. The real and reactive power loss reduction and voltage profile improvement was selected as objective function and the Artificial Bee Colony (ABC) optimization algorithm was used to solve the optimal allocation problem under variable load conditions. Four case studies, including combined DG / D-STATCOM at the same location (Case III) and combined DG / D-STATCOM at separate locations (case IV), were considered under different load factors of normal, light and peak loading conditions. The performance analysis of these approaches was tested on the standard IEEE 33-bus radial distribution system. The MATLAB 2021b environment was used for the simulations. The outcomes showed that applying optimal DG and D-STACOM at separate locations resulted in a better percentage real power loss reduction of (76.34%, 75.95%, and 75.41%) compared to combined DG/D-STATCOM at the same location, which recorded (72.41%, 71.62% and 71.12%) under normal, light and peak loading conditions. Similarly, optimal DG/DSTATCOM at separate locations recorded better reactive power loss reduction (72.71%, 72.71%, and 72.11%) compared to DG/D-STATCOM at the same location, which recorded (66.57%, 66.57%, and 65.98%) under the said loading conditions. However, DG/D-STATCOM at the same location offered slightly better voltage profile improvement.

Distribution Static Compensator (D-STATCOM), Distributed Generation (DG), Artificial Bee Colony, Distribution System

APA Style

Musa Mustapha, Ganiyu Ayinde Bakare, Yau Shuaibu Haruna, Babagana Mallambe Mustapha, Musa Baba Lawan, et al. (2023). Impact Assessment of Optimal Integration of Combined DG and D-STATCOM Allocation for Active Distribution System Enhancement with Loading Variations. American Journal of Electrical Power and Energy Systems, 12(4), 68-76.

ACS Style

Musa Mustapha; Ganiyu Ayinde Bakare; Yau Shuaibu Haruna; Babagana Mallambe Mustapha; Musa Baba Lawan, et al. Impact Assessment of Optimal Integration of Combined DG and D-STATCOM Allocation for Active Distribution System Enhancement with Loading Variations. Am. J. Electr. Power Energy Syst. 2023, 12(4), 68-76. doi: 10.11648/j.epes.20231204.12

AMA Style

Musa Mustapha, Ganiyu Ayinde Bakare, Yau Shuaibu Haruna, Babagana Mallambe Mustapha, Musa Baba Lawan, et al. Impact Assessment of Optimal Integration of Combined DG and D-STATCOM Allocation for Active Distribution System Enhancement with Loading Variations. Am J Electr Power Energy Syst. 2023;12(4):68-76. doi: 10.11648/j.epes.20231204.12

Copyright © 2023 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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