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Two-Stage Robust Unit Commitment Problem With Complex Temperature and Demand Uncertainties
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DOI：10.1109/TPWRS.2023.3262789.png)
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Abstract
En 中文
In this paper, we present and study a robust unit commitment model and some variants that consider complex temperature and demand uncertainties. Since there is a strong relationship among the efficiency of gas generators, demand, and temperature in practical systems, our robust models have both left- and right-hand-side (LHS and RHS, respectively) uncertainties. Unlike many existing robust models with RHS uncertainty only, the introduction of LHS uncertainty imposes a huge challenge in computing robust solutions. For those complex formulations, we analyze their structures, derive important properties, and design exact and fast approximation solution strategies under the column-and-constraint generation framework. Numerical experiments are conducted on typical IEEE test systems, which showcase the great performance of our solution methods and demonstrate a clear impact of complex and correlated uncertainties in system operations.
Keywords:
Uncertainty
Generators
Optimization
Costs
Reliability
Power system reliability
Computational modeling
Two-stage robust optimization
unit commitment
generation efficiency
left-hand-side uncertainty
approximation method
Journal
IF:
7.2
Papers:
1.1W
Citations:
5.0W
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