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A clearing mechanism for joint energy and ancillary services in non-convex markets considering high penetration of renewable energy sources
, Article International Journal of Electrical Power and Energy Systems ; Volume 129 , July , 2021 ; 01420615 (ISSN) ; Rayati, M ; sheikhi, A ; Ranjbar, A. M ; Sharif University of Technology
Elsevier Ltd
2021
Abstract
This paper introduces a day-ahead clearing model for the simultaneous energy and ancillary services market in high penetration of renewable energy sources (RESs) considering fast-start generators’ behaviors as non-spinning reserve providers. For managing the uncertainties of RESs, the system operator takes the advantages of the stochastic model of security-constrained unit commitment (SCUC) problem considering plausible scenarios. The non-convexities due to the startup costs, minimum power outputs, and commitment variables make the stochastic SCUC problem and market-clearing non-convex. Meanwhile, with traditional market-clearing methods for energy and ancillary services based on marginal...