Simplified formula for calculating grounding resistance of grounding system using tunnel foundation in cable tunnel
DU Xue-long,QIU Tian-jiao,ZHANG Xiao-ying,MA Xue-liang,YIN Fan,GUO Jian,ZOU Jun
Advanced Technology of Electrical Engineering and Energy ›› 2014, Vol. 33 ›› Issue (11) : 44-49.
Simplified formula for calculating grounding resistance of grounding system using tunnel foundation in cable tunnel
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