Location and optimal sizing of distributed generation in radial distribution networks
Abstract
The uncontrolled increase in Distributed Generation (DG) in the electrical distribution network has generated problems of overvoltage, heating of conductors, harmonics, imbalances, protections, etc. Therefore, the objective of this research is to carry out the optimal sizing and location of distributed generation, in order to minimize the total active power losses of the network subject to the technical limits established in the network code and the values of active and reactive power with which the DG is sized and located. Therefore, a mixed integer nonlinear optimization (MINLP) mathematical model was developed, which meets the nonlinear characteristics due to the power flow equations as well as the binary decision variable due to location. To counteract our proposed model, the GAMS and DIGSILENT software were used, as well as the IEEE 13 and 34-bar Test Feeders and through a variation analysis by injecting 1 to 3 GDs with 30%, 60% and 70% penetration. With respect to the total demand of the system, very satisfactory results are presented in terms of the location and sizing of the DG and the reduction of technical losses in systems.
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References
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