Rapid Identification of Key Lines in Power Flow Transferring with Two Branches Simultaneous Removal under Multiple Voltage Levels

Abstract:

In order to avoid the cascading tripping caused by power flow transferring, a fast identification method of two branches simultaneous removal under multiple voltage levels was proposed. Calculate the per-unit value of element parameters under different voltage levels. Search the K shortest paths between the two nodes of broken line with the network topology considering the two branches removal and the value of K was optimized. Use the power flow transfer factor to estimate the power flow increment of lines on the path and the key lines in power flow transferring were obtained. The method is accurate and it is verified in the IEEE39 node system.

• Periodical: Applied Mechanics and Materials (Volume 734)
• Pages: 666-669
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.734.666
• Online since: February 2015
• Authors: Jing Zhi*, Yan Xu
• Keywords: Branch Removal, Multiple Voltage Level, Power Flow Transferring, Power System

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