Power System Resiliency Against Windstorms: A Systematic Framework Based on Dynamic and Steady-State Analysis

Power system robustness against high-impact low probability events is becoming a major concern. To depict distinct phases of a system response during these disturbances, an irregular polygon model is derived from the conventional trapezoid model and the model is analytically investigated for transmi...

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Bibliographic Details
Main Authors: Iswaran, Giritharan Vijay, Vakili, Ramin, Khorsand, Mojdeh
Format: Conference Proceeding
Language:English
Subjects:
Analytical models
Dynamic security assessment
extreme weather condition
irregular polygon model
Measurement
operational and infrastructure resiliency
Power system dynamics
Power system stability
Stability analysis
Steady-state
System performance
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Summary:Power system robustness against high-impact low probability events is becoming a major concern. To depict distinct phases of a system response during these disturbances, an irregular polygon model is derived from the conventional trapezoid model and the model is analytically investigated for transmission system performance, based on which resiliency metrics are developed for the same. Furthermore, the system resiliency to windstorms is evaluated on the IEEE reliability test system (RTS) by performing steady-state and dynamic security assessment incorporating protection modelling and corrective action schemes using the Power System Simulator for Engineering (PSS ® E) software. Based on the results of steady-state and dynamic analysis, modified resiliency metrics are quantified. Finally, this paper quantifies the interdependency of operational and infrastructure resiliency as they cannot be considered discrete characteristics of the system.
ISSN:2833-003X
DOI:10.1109/NAPS56150.2022.10012151