Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Spatio-Temporal Kriging Based Economic Dispatch Problem Including Wind Uncertainty

Version 1 : Received: 22 October 2020 / Approved: 26 October 2020 / Online: 26 October 2020 (11:08:13 CET)

How to cite: Cuenca, J.; Correa-Florez, C.; Patino, D.; Vuelvas, J. Spatio-Temporal Kriging Based Economic Dispatch Problem Including Wind Uncertainty. Preprints 2020, 2020100513 (doi: 10.20944/preprints202010.0513.v1). Cuenca, J.; Correa-Florez, C.; Patino, D.; Vuelvas, J. Spatio-Temporal Kriging Based Economic Dispatch Problem Including Wind Uncertainty. Preprints 2020, 2020100513 (doi: 10.20944/preprints202010.0513.v1).

Abstract

The incorporation of wind generation introduces challenges to the operation of the power system due to its uncertain characteristics. Therefore, the development of methods to accurately model the uncertainty is necessary. In this paper, the spatio-temporal Kriging and analog approaches are used to forecast wind power generation and used as input to solve an economic dispatch problem, considering the uncertainties of wind generation. Spatio-temporal Kriging takes into account the spatial and temporal information given by the database to enhance wind forecasts. We evaluate the performance of using the spatio-temporal Kriging, and comparisons are carried out versus other approaches in the framework of the economic power dispatch problem, for which simulations are developed on the modified IEEE 3-bus and IEEE 24-bus test systems. The results show that the use of Kriging-based spatio-temporal models in the context of economic power dispatch can provide an opportunity for lower operating costs in the presence of uncertainty when compared to other approaches.

Subject Areas

Economic Dispatch; Spatio-temporal kriging; Wind power; Uncertainty

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