Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 33, Issue 3, Pages 3315-3324Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2017.2772168
Keywords
Renewable generation integration; stochastic unit commitment; topology control; transmission switching
Categories
Funding
- NSF EAGER Grant [ECCS 1549572]
- TBSI, at UC Berkeley
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1549572] Funding Source: National Science Foundation
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In this paper, we model topology control through transmission switching as a recourse action in the day-ahead operation of power systems with large-scale renewable generation resources. We prove that transmission switching could only reduce the linear objective value of direct current optimal power flow when congestion exists. However, we also show, through a simple example, that unit commitment cost could be reduced by transmission switching even in the absence of congestion. To solve the stochastic unit commitment with topology control within reasonable computational time, we proposed a heuristic that first decomposes a practical system into zones and then solves the problem for each zone in parallel. The benefit of topology control recourse is demonstrated on a network representing the Central European System. We compare the costs of the network with different loading and renewable generation conditions. The cost reduction of the test system can reach 3.34% with heavy load and large-scale renewable generation while in a single zone the cost reduction can be above 7%.
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