Shu Qiaojun, Fan Chunju. Parameters' Modification Method to Two and Four jointed Parallel Lines[J]. Modern Electric Power, 2010, 27(1): 45-48.
Citation: Shu Qiaojun, Fan Chunju. Parameters' Modification Method to Two and Four jointed Parallel Lines[J]. Modern Electric Power, 2010, 27(1): 45-48.

Parameters' Modification Method to Two and Four jointed Parallel Lines

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  • Received Date: May 24, 2009
  • Revised Date: March 24, 2014
  • Published Date: February 08, 2010
  • With the wide application of n jointed parallel lines on the same tower, the fault analysis problem for different type transmission lines is solved based on the six and twelve sequence component method. The six and twelve sequence component methods can be used to decouple the mutual inductance between lines completely. The method of parameters' modification applicable to mixed n jointed parallel line system is proposed based on the decoupling of inter phases and inter lines. When faults occur in parallel lines and in four jointed lines, short circuit currents of many types of single line faults and inter line faults are calculated according to the method of electrical parameters' modification. The correctness of this method is validated by comparing the calculation values with the ATP simulation values.
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