Abstract
This paper suggests a method for optimal locating and sizing problem of distributed generations (DGs) as a nonlinear and multi-objective optimization problem. The offered method creates a trade-off among static voltage stability index, power losses, voltage deviations and investment cost as important indexes in DG location and size selection. The research is carried out using a steady-state voltage stability index for evaluation of system security. The suggested optimization problem has been carried out as a hierarchical optimization problem. In the first step, Wale Optimization Algorithm method has been applied to attain the coordinated plan of quantity and assignment of DG. Also, a MATLAB program has been developed to assess the voltage stability index, respectively, each coordinated pattern during WOA search. Suggested MATLAB program is based on a nonlinear optimization problem which it efforts to evaluate voltage stability. The proposed method has been implemented on IEEE 30 bus test system, and the results show the proper performance and acceptable operation.
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Yahyazadeh, M., Rezaeeye, H. Optimal Placement and Sizing of Distributed Generation Using Wale Optimization Algorithm Considering Voltage Stability and Voltage Profile Improvement, Power Loss and Investment Cost Reducing. Iran J Sci Technol Trans Electr Eng 44, 227–236 (2020). https://doi.org/10.1007/s40998-019-00224-4
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DOI: https://doi.org/10.1007/s40998-019-00224-4