A Preventive Control Approach for Power System Vulnerability Assessment and Predictive Stability Evaluation

Ersen Akdeniz () and Mustafa Bagriyanik
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Ersen Akdeniz: Department of Electrical Engineering, Istanbul Technical University, Istanbul 34469, Turkey
Mustafa Bagriyanik: Department of Electrical Engineering, Istanbul Technical University, Istanbul 34469, Turkey

Sustainability, 2023, vol. 15, issue 8, 1-19

Abstract: Early detection of cascading failures phenomena is a vital process for the sustainable operation of power systems. Within the scope of this work, a preventive control approach implementing an algorithm for selecting critical contingencies by a dynamic vulnerability analysis and predictive stability evaluation is presented. The analysis was carried out using a decision tree with a multi-parameter knowledge base. After the occurrence of an initial contingency, probable future contingencies are foreseen according to several vulnerability perspectives created by an adaptive vulnerability search module. Then, for cases identified as critical, a secure operational system state is proposed through a vulnerability-based, security-constrained, optimal power flow algorithm. The modular structure of the proposed algorithm enables the evaluation of possible vulnerable scenarios and proposes a strategy to alleviate the technical and economic impacts due to prospective cascading failures. The presented optimization methodology was tested using the IEEE-39 bus test network and a benchmark was performed between the proposed approach and a time domain analysis software model (EMTP). The obtained results indicate the potential of analysis approach in evaluating low-risk but high-impact vulnerabilities in power systems.

Keywords: power system vulnerability assessment; preventive control; critical contingency selection; decision tree-based stability evaluation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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