Optimal management of microgrids including renewable energy scources using GPSO-GM algorithm

Highlights

An optimal hybrid of renewable energy scources is provided.

An optimization method is proposed to determine optimal capacity and operation of sources in microgrids.

GPSO-GM is utilized for minimizing the proposed objective function.

The performance of the proposed algorithm is evaluated using 69 and 94 bus systems.

Abstract

Environmentally friendly energy sources with high power quality or reliability and low costs are regarded as an effective solution for energy supply problems arising from use of conventional methods. Presented in this paper, gives an optimal management strategy of PV/wind/diesel independent hybrid systems for supplying required energy in autonomous microgrids. A new optimization problem is formulated for minimizing the capital investment and fuel costs of the system. To solve the proposed optimization problem a novel algorithm, named Guaranteed convergence Particle Swarm Optimization with Gaussian Mutation (GPSO-GM), is developed. Two operators, namely mutation and guaranteed convergence, are added to PSO in order to help finding more accurate results and increasing the speed of calculations. The performance of the proposed strategy is evaluated in two case studies.

Keywords

  • Microgrid;
  • Renewable energy resources;
  • Optimization;
  • Wind generation;
  • Photovoltaic (PV)

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