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Faster identification of redundant security constraints in SCUC by Wenjun Zhang; Liyou Fu is a Engineering article available to read on EtoBox.

What is Faster identification of redundant security constraints in SCUC about?

One of the main reasons why it has long been difficult to solve the security-constrained unit commitment (SCUC) problem is that there are a large number of security constraints in SCUC such as transmission constraints in the base case and N-1 criterion constraints, and adding all of them to the model will make the solution of the problem very challenging. Related research shows that most of these security constraints are redundant for solving SCUC, so identifying and eliminating most of the redundant security constraints in the model will greatly improve the speed of solving SCUC. In this paper, a fast and efficient algorithm is proposed for identifying redundant security constraints in SCUC. The proposed algorithm introduces parameters in the basic transmission constraints to additionally limit the transmission capacity. In the N-1 constraints based on Line Outage Distribution Factor (LODF), more redundant constraints are identified and removed in the model by comparing the upper limit of transmission line capacity with the maximum transmission power flow that may occur in the line when the system is running. More importantly, the proposed algorithm does not need to solve addition

Who reads Faster identification of redundant security constraints in SCUC?

Author

Wenjun Zhang; Liyou Fu

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Engineering (Physical Sciences)