摘要
随着温州地区雷电活动逐渐频繁,雷电强度也是逐年增强,2014年8月份自雷电监测以来,在雷电密集的7~9月份,正、负平均电流值都为最大值。由雷击引起线路故障跳闸数约占线路每年故障总数的50%以上,对整个电网的安全运行与供电可靠性造成极大的影响。
With the frequent lightning activity in Wenzhou area, the lightning intensity is increasing year by year. Since August 2014, lightning monitoring has been carded out, in the lightning intensive in July to September, both the positive and negative mean current values are maximum. The number of line failure trips caused by lightning accounts occupy more than 50% of the total number of faults annually, and has a great impact on the safe operation of the whole power grid and the reliabilityofthe power supply.
出处
《中小企业管理与科技》
2017年第16期158-159,共2页
Management & Technology of SME
关键词
防雷措施
技术线路
方法
lightning protection
technical line
method
