期刊
IEEE TRANSACTIONS ON POWER SYSTEMS
卷 37, 期 5, 页码 4137-4140出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2022.3184122
关键词
Switches; Topology; Network topology; Numerical models; Mathematical models; Generators; Electric potential; Connectedness; connectivity; network topology; security-constrained optimal transmission switching
资金
- Research Grants Council of the Hong Kong Special Administrative Region through the General Research Fund [17209419]
This paper focuses on the issue of network connectedness (NC) in security-constrained optimal transmission switching problems. Two criteria are proposed to preserve NC within reasonable limits. Mathematical formulas for the NC criteria are derived by extending the electrical flow based NC constraints and associating them with the optimum of a linear program. The proposed approach is demonstrated to be effective through case studies on various networks and SCOTS models.
This paper focuses on the issue of network connectedness (NC) in security-constrained optimal transmission switching problems, which is complicated by branch contingencies and corrective line switching. Two criteria are firstly proposed with the principle of preserving NC as much as possible within reasonable limits. By extending the electrical flow based NC constraints, a proposition is derived to associate different cases of NC with the optimum of a linear program, yielding the mathematical formulation of the NC criteria. By Karush-Kuhn-Tucker conditions, this formulation is further transformed into a tractable version which can be incorporated with existing SCOTS models without affecting the applicability of original solution approaches. Finally, case studies on various networks and SCOTS models demonstrate the efficacy of the proposed approach.
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