Lightning Pro Tection and Grounding in Rockburst Monitoring and Orientation System of Mu Chengjian Mine
Guan Fu-hai · Coal Mining Technology · 2006
Rockburst monitoring and orientation system of Mu Chengjian Mine has been damaged 7 times by lightings.So,based upon analysis of lightning stroke accident,the interior and exterior lightning protection method has been used,combing practical situation of rockburst monitoring and orientation system of Mu Chengjian Mine.Triangular mash structure tower single lightning arrester was fixed,uninterruptable power system(UPS) and surge protective device(SPD) have been running in the station building.Proper grounding arrangements were applied on which needed.The results of practical running indicate that lightning protection method and grounding,which were applied,work well on protecting system form lightning stroke.