摘要分析了电力电缆隧道结构面临的风险,研究利用震动监测技术进行风险的评估和预警。搭建了一套完整有效的震动监测系统,并开展了实际的应用研究。该系统目前已应用于国网辽宁省电力有限公司沈阳供电公司管辖的太原66 k V变电站电力电缆隧道,运行情况良好,对提高风险预警能力、减轻人工巡查工作压力及减少外力事故等效果显著。
7[1]Working Group 03 of Study Committee 21. Recommendations for electrical tests type, sample and routine on extruded cables and accessories at voltage＞150(170) kV and ≤400(420) kV [J]. Electra, Dec. 1993, (151).
8[2]Working Group 03 of Study Committee 21. Recommendations for electrical tests prequalification and development on extruded cables and accessories at voltages＞150(170) kV and ≤400(420) kV [J]. Electra, Dec. 1993,(151).
9[3]Working Group 09 of Strdy Committee 21, Working gradient of HV and EHV cable with extruded insulation and its effect [J]. Electra Dec. 1991, (139).
10[4]应启良,王佩龙,魏东,徐操.Development of high voltage cable accessories for underground transmission system in urban area, Conference Proceedings of Wire Asia [R]. 94 Conference and Exhibition held in Oct. 1994.
