An Integrated Fault Phase Selection Scheme for Double Circuit Lines on the Same Tower

Shu Tian; Fang Fang Liu

doi:10.4028/www.scientific.net/AMM.668-669.657

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 668-669An Integrated Fault Phase Selection Scheme for...

An Integrated Fault Phase Selection Scheme for Double Circuit Lines on the Same Tower

Abstract:

For double circuit lines on the same tower, traditional phase selectors for single lines can not operate correctly in crossing-line faults. To ensure the performance of faults phase selection in the single lines and meanwhile achieve accurate phase selection in crossing-line faults, an integrated fault phase selection scheme based on fault component current is proposed. Firstly, faults are divided into single lines faults, same-name-phase crossing-line faults and non same-name-phase crossing-line faults, then the phase selection is classified. The process with adaptive capacity can automatically select the suitable phase selector not affected by fault types. Simulation results via PSCAD/EMTDC show that the phase selection scheme based on fault component current has good performances for different fault types, fault location and transition resistance.

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Periodical:

Applied Mechanics and Materials (Volumes 668-669)

Pages:

657-660

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.668-669.657

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Online since:

October 2014

Authors:

Shu Tian, Fang Fang Liu

Keywords:

Crossing-Line Faults, Double Circuit Lines, Fault Component Current, Phase Selection, Principle of Equivalence

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References

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