Based on the 2 faults of composite insulators on 110 kV lines caused by lightning strike the measures of increasing effective dry arc distance and installing gap on insulator are proposed. 根据2起110kV线路雷击引起的工频电弧造成合成绝缘子烧伤的故障,提出了增加合成绝缘子有效干弧距离及安装绝缘子间隙防雷装置的防反措施。
Variation in air temperature and relative humidity in the large gap was also higher in the dry than in the rainy season. In the large gap center and in the closed forest about 70 % ~ 80 % of the net radiation was used for evaporation. 大林窗中央的蒸发耗热量大于林内,且均占各自净辐射的较大比例(70%~80%);干季大林窗内温度、湿度日变化比雨季剧烈;
In dry hot season, microclimatic measurements were conducted in the process of the different growth phases ( gap phase, building phase and mature phase ) of tropical forest in Xishuangbanna. The microclimatic characteristics of different growth phases of tropical forest were discussed in this paper. 利用西双版纳热带森林生长循环过程不同时期(林窗期、建群期、成熟期)干热季小气候观测资料,探讨了热带森林不同时期森林群落的小气候特征。