Enhanced Energy Management System with Corrective Transmission Switching Strategy— Part II: Results and Discussion

Xingpeng Li, Kory W. Hedman. IEEE Transactions on Power Systems, 2019.
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Abstract

This paper presents a novel procedure for energy management system (EMS) that can utilize the flexibility in transmission network in a practical way. With the proposed enhanced EMS procedure, the reliability benefits that are provided by corrective transmission switching (CTS) in real-time contingency analysis (RTCA) can be translated into significant cost savings in real-time security-constrained economic dispatch (RT SCED). Simulation results show the congestion cost with consideration of CTS is largely reduced as CTS can relieve potential post-contingency network violations. The effects of integrating CTS in existing EMS procedure on markets are also analyzed. In conclusion, this two-part paper shows that CTS can achieve substantial reliability benefits, as well as significant cost savings.

Index Terms

Corrective transmission switching, energy management systems, power system reliability, real-time contingency analysis, real-time security-constrained economic dispatch.

Cite this paper:

Xingpeng Li and Kory W. Hedman, “Enhanced Energy Management System with Corrective Transmission Switching Strategy— Part II: Results and Discussion,” IEEE Transactions on Power Systems, vol. 34, no. 6, pp. 4503-4513, Nov. 2019.