Linearized Optimal Power Flow Model for Co-planning of Smart Multi-energy Distribution Networks

Document Type : Original Article

Authors

1 Department of Electrical and Electronics Engineering, Shiraz University of Technology, Shiraz, Iran

2 Electrical Engineering Department, Amirkabir University of Technology, Tehran, Iran

Abstract

Co-planning of multi-energy networks is of utmost importance for improving the overall productivity of energy infrastructure. In recent years, the use of natural gas distributed generation (GDG) has increased in the electricity industry. In this paper, an AC optimal power flow model for electricity and gas distribution networks is developed in order to meet the multiple objectives of planning. Unlike heuristic methods and separate power flow, the proposed strategy deals with a simultaneous OPF and non-iterative. The problem model is a nonlinear programming model and nonconvex. Due to the formulation complexity and non-linear and               non-convex nature of the problem, it is time-consuming, difficult, and sometimes impossible to achieve an optimum response. Therefore, the power flow is reformulated as a linear programming model.  This model can be implemented using existing mathematical optimization methods and a desirable convergence to solve the planning problem. The proposed model is implemented on a test system and the numerical results show the efficiency of the proposed model.

Keywords

References

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