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1·Selection of insulator type, number of insulator string and air space is the main basis of transmission line insulation coordination.

输电线路的绝缘配合主要是选择绝缘子型式、绝缘子串的片数和空气间隙。

2·Test and research result shows that the retrofit of backward V insulators can be carried out for 500 kV suspension insulator string, and when it is .

火力发电厂及变电所中悬垂绝缘子串片数的选择是电气设计中必须的步骤和容易产生混乱的难点，因此本文对此进行了研究。

3·The bending deformation of V-shape composite insulator string under strong wind may cause the risk of ball head falling off and string falling apart.

型复合绝缘子串在大风作用力下受到弯曲变形，有球头脱落造成掉串的风险。

4·In this paper measured data and curves obtained by testing full scale suspension insulator string and jumper wire in large wind tunnel are introduced.

本文介绍了在风洞中所作的悬垂绝缘子串和跳线的风偏试验以及所测得的数据和曲线。

5·The partial arc may derive from the surface of polluted insulator string and form the air gap arc during the pollution flashover process at low air pressure.

低气压下绝缘子污闪放电过程中局部电弧存在飘离绝缘子表面形成空气间隙电弧的现象。

6·Therefore, to determine the potential distribution of insulator string is very important to detect the poor insulator and safety and stable operation of transmission line.

因此，确定绝缘子串电位分布，对检测低、零值绝缘子，确保输电线路的安全、稳定运行具有重要的意义。

7·The flashover performance of ice-covered XZP-210 insulator strings was investigated and the effects of the string length and arrangement on the icing flashover voltage were analyzed.

接触网覆冰不仅影响接触线的弛度、支柱的容量，在一定程度上还影响着接触网绝缘子的闪络电压。

8·The study has shown that, the wire, towers, insulator string types, pollution and other factors should be considered to calculate the space electric field of porcelain insulator strings.

论文研究表明，仿真计算瓷绝缘子串的空间电场时需考虑导线、杆塔、绝缘子串型式、污秽等因素的影响；

9·The maximal withstand voltage of single insulator for the middle string of single circuit tower is more than the side string.

对于单回线杆塔，中相串的单片绝缘子承受最大电压值比边相串高；