NDLI: Robust optimal transmission switching with the consideration of corrective actions for N − k contingencies

Content Provider	IET Digital Library
Author	Ding, Tao Zhao, Chaoyue
Abstract	In order to achieve a better economic dispatch decision of the electricity generation while guaranteeing system security, the optimal transmission switching (OTS) has been proposed with the well-known N-k contingency security criterion. However, the challenge for treating the OTS problem considering N-k contingencies lie in that it may lead to a conservative result, since the optimal solution should simultaneously satisfy all the sets of N-k constraints. To address this problem, the corrective control with respect to different contingencies is utilised during the period when the transmission topology remains unchanged, which can be formulated as a two-stage problem. Consequently, a two-stage robust optimisation is employed to optimise the objective value under the worst contingency, so as to hedge against the contingency uncertainties. Comparison of the traditional N-1 OTS and the proposed robust N-1 OTS models on IEEE 30-bus test system shows that the robust OTS model has less conservatism than the traditional OTS model with the help of corrective actions. Moreover, it illustrates that the proposed method can be fairly applicable to cases with even N-k contingencies, which can facilitate the complexity of contingency analysis.
Starting Page	3288
Ending Page	3295
Page Count	8
ISSN	17518687
Volume Number	10
e-ISSN	17518695
Issue Number	Issue 13, Oct (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/10/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.0126
Journal	IET Generation, Transmission & Distribution
Publisher Date	2016-10-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Contingency Analysis Complexity Contingency Uncertainty Corrective Action Consideration Economic Dispatch Decision Electricity Generation IEEE 30-bus Test System N-1 OTS Model N-k Contingency Security Criterion Optimisation Optimisation Technique OTS Problem Power Generation Dispatch Power Generation Economics Power System Control Power System Economics Power System Managemen Power System Operation Power System Security Power Transmission Line Power Transmission, Distribution And Supply Robust Optimal Transmission Switching Robust OTS Model Transmission Line Transmission Topology Two-stage Robust Optimisation
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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