Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 34, Issue 6, Pages 4490-4502Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2019.2922880
Keywords
Corrective transmission switching; energy management systems; power system reliability; real-time contingency analysis; real-time security-constrained economic dispatch
Categories
Funding
- Department of Energy Advanced Research Projects Agency-Energy under the Green Electricity Network Integration program
- Department of Energy Advanced Research Projects Agency-Energy under the Network Optimized Distributed Energy Systems program
- National Science Foundation [1449080]
- Direct For Computer & Info Scie & Enginr
- Division Of Computer and Network Systems [1449080] Funding Source: National Science Foundation
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The flexibility in transmission networks is not fully utilized in existing energy management systems (EMSs). Corrective transmission switching (CTS) is proposed in this two-part paper to enable EMS to take advantage of the flexibility in transmission systems in a practical way. This paper proposes the following two EMS procedures: first, Procedure-A connects real-time security-constrained economic dispatch (RT SCED) with real-time contingency analysis (RTCA), which is consistent with industrial practice; and second, Procedure-B, an enhanced version of Procedure-A, includes CTS in EMS with the proposed concept of branch pseudo limit used in RT SCED. Part-I of this paper presents the methodology, whereas Part-II includes detailed results analysis. It is demonstrated that Procedure-A can effectively eliminate the base case overloads and the potential post-contingency overloads identified by RTCA, and Procedure-B can achieve significant congestion cost reduction with consideration of CTS in RT SCED. Numerical simulations also illustrate that integrating CTS into RT SCED would improve social welfare.
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