Abstract：Research purposes: As the design standard，the entire cable power line is adopted in construction of high—speed railway．For solving the problem that the capacitance current is big when the single—phase grounding failure of entire cable power line occurs，the low resistance grounding system should be used．Based on the comprehensive analyses of the low resistance grounding system，this paper offers the design method for low resistance grounding system for providing the reference to the similar works．
Research conclusions: Through analyses of the principle and characteristics of low resistance grounding system and the single—phase grounding failure，this paper offers the calculation methods for selection of equipment parameters and protection setting of low resistance grounding system for entire cable power line for high—speed railway，analyzes the reasons for general potential bonding in buildings when low resistance grounding system is adopted and gives the design method for it．
廖 宇. 全电缆贯通线低电阻接地系统的设计研究[J]. 铁道工程学报, 2009, 26(8): 88-92.
LIAo YU. Research on the Design of Low Resistance Grounding System for Entire Cable Power Line along the Railway. 铁道工程学报, 2009, 26(8): 88-92.
2009, Vol. 26 
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