小店变电站220 kV小榆线267-1隔离开关触头过热的原因分析及采取的措施
소점변전참220 kV소유선267-1격리개관촉두과열적원인분석급채취적조시
Analysis of Causes of 267-1 Disconnecting Switch Contact Overheating of 220 kV Xiaodian-Yuci Transmission Line of Xiaodian Substation and Adopted Measures