Multi-criteria optimisation approach to increase the delivered power in radial distribution networks

Canizes, Bruno; Vale, Zita; Soares, João; Lobo, Cristina

http://hdl.handle.net/10400.22/7324

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Abstract(s)

This study proposes a new methodology to increase the power delivered to any load point in a radial distribution network, through the identification of new investments in order to improve the repair time. This research work is innovative and consists in proposing a full optimisation model based on mixed-integer non-linear programming considering the Pareto front technique. The goal is to achieve a reduction in repair times of the distribution networks components, while minimising the costs of that reduction as well as non-supplied energy costs. The optimisation model considers the distribution network technical constraints, the substation transformer taps, and it is able to choose the capacitor banks size. A case study based on a 33-bus distribution network is presented in order to illustrate in detail the application of the proposed methodology.

Keywords

Pareto optimisation Cost reduction Distribution networks Integer programming Investment Nonlinear programming Power capacitors Substations Transformers