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Optimal distributed generation placement in radial distribution systems

Arefi, A.ORCID: 0000-0001-9642-7639, Andervazh, M.R., Yavartalab, A. and Olamaei, J. (2012) Optimal distributed generation placement in radial distribution systems. In: 12th International Conference on Probabilistic Methods Applied to Power Systems (PMAPS) 2012, 10 - 14 June 2012, Istanbul, Turkey



Distributed generation (DG) resources are commonly used in the electric systems to obtain minimum line losses, as one of the benefits of DG, in radial distribution systems. Studies have shown the importance of appropriate selection of location and size of DGs. This paper proposes an analytical method for solving optimal distributed generation placement (ODGP) problem to minimize line losses in radial distribution systems using loss sensitivity factor (LSF) based on bus-injection to branch-current (BIBC) matrix. The proposed method is formulated and tested on 12 and 34 bus radial distribution systems. The classical grid search algorithm based on successive load flows is employed to validate the results. The main advantages of the proposed method as compared with the other conventional methods are the robustness and no need to calculate and invert large admittance or Jacobian matrices. Therefore, the simulation time and the amount of computer memory, required for processing data especially for the large systems, decreases.

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