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Energies 2018, 11(1), 81; doi:10.3390/en11010081

Estimation for Expected Energy Not Served of Power Systems Using the Screening Methodology of Cascading Outages in South Korea

Department of Electrical Engineering, Sangmyung University, Seoul 03016, Korea
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Received: 1 November 2017 / Revised: 19 December 2017 / Accepted: 27 December 2017 / Published: 29 December 2017
(This article belongs to the Special Issue Risk-Based Methods Applied to Power and Energy Systems)
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Abstract

The uncertainty of complex power systems increases the possibility of large blackouts due to the expectations of physical events, such as equipment failures, protection failures, control actions failure, operator error, and cyber-attacks. Cascading outage is a sequence of dependent failures of individual components that successively weaken the power system. A procedure to identify and evaluate the initiating events and perform sequential cascading analysis is needed. In this paper, we propose a new screening methodology based on sequential contingency simulation of cascading outages, including probabilistic analysis and visualization model. Performance of a detail cascading analysis using practical power systems is suggested and discussed. The proposed screening methodology will play a key role in identifying the uncontrolled successive loss of system elements. View Full-Text
Keywords: cascading outages; screening methodology; expected energy not served; probability analysis; visualization model cascading outages; screening methodology; expected energy not served; probability analysis; visualization model
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Goo, B.; Hur, J. Estimation for Expected Energy Not Served of Power Systems Using the Screening Methodology of Cascading Outages in South Korea. Energies 2018, 11, 81.

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