Risk Assessment of Cascading Failure Considering Adverse Weather Condition and UPFC Corrective Control

Abstract:

This paper investigates the effect of Unified Power Flow Controller (UPFC) on the risk of cascading failure which resulted from adverse weather based on the risk-based security assessment (RBSA) method. An improved piecewise probability model is described to reflect the impact of adverse weather condition and overloads. Based on power-injection model of UPFC, an optimal power flow control strategy is integrated into the RBSA procedure to relieve the risk of cascading failure caused by initiating event. Furthermore, a sensitivity based approach is adopted to determine the optimal location of UPFC. The effectiveness of the proposed method has been tested on IEEE RTS-79 system.

• Periodical: Applied Mechanics and Materials (Volumes 631-632)
• Pages: 718-722
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.631-632.718
• Online since: September 2014
• Authors: Peng Jia Shi, Neng Xu, Jian Ying Chen, Chuang Xin Guo*
• Keywords: Cascading Failure, Corrective, Risk Assessment, UPFC, Weather

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