Application of FTRF in Cascading Failure Probability Model in Adverse Weather

Shi Guang; Hai Jing Yang; Qi Wei Wang; Yan Jin

doi:10.4028/www.scientific.net/AMM.336-338.471

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 336-338Application of FTRF in Cascading Failure...

Application of FTRF in Cascading Failure Probability Model in Adverse Weather

Abstract:

In allusion to the issues of system line state transfer that may arise in adverse weather, a new method of probability calculation is proposed. In a statistical analysis, this article firstly defines that failure probability of the first line subjects to Poisson distribution. Secondly, we figure out the power flow transferring distribution after first line fault, according to the method of Flow Transferring Relativity Factor (FTRF), and combine with the protective possibility so as to build the probability model between the load rate and protection action. Then, the method defines the severity of line load rate. Finally, the approach constructs the line state transition probability model considering direct and indirect factors in adverse weather. The effectiveness and correctness of the proposed method are verified by simulation based on IEEE 39-node system.

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Periodical:

Applied Mechanics and Materials (Volumes 336-338)

Pages:

471-474

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.336-338.471

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Online since:

July 2013

Authors:

Shi Guang, Hai Jing Yang, Qi Wei Wang, Yan Jin

Keywords:

Adverse Weather, Flow Transferring, Probability Model, State Transferring

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