1
00:00:00,000 --> 00:00:03,180
220断路器燃弧熄弧特性分闸时

2
00:00:03,180 --> 00:00:05,550
动触头和静触头是插接的

3
00:00:05,550 --> 00:00:07,866
动喷嘴和静喷嘴是插接的

4
00:00:07,866 --> 00:00:11,246
动气缸和静气缸上下端是正好对接的

5
00:00:11,246 --> 00:00:13,486
当动触头分离往下走时

6
00:00:13,486 --> 00:00:15,436
气缸随同一起往下走

7
00:00:15,440 --> 00:00:18,270
并压缩气缸里的六氟化硫气体

8
00:00:18,270 --> 00:00:18,920
使得

9
00:00:18,920 --> 00:00:20,300
气体压力剧增

10
00:00:20,300 --> 00:00:22,573
当动静触头刚好分开时

11
00:00:22,573 --> 00:00:24,563
动静喷嘴恰好分离

12
00:00:24,563 --> 00:00:28,233
这样气缸里的高压六氟化硫气体恰恰吹出

13
00:00:28,240 --> 00:00:30,140
将产生的电弧吹散

14
00:00:30,140 --> 00:00:32,980
同时六氟化硫具有高负性特性

15
00:00:32,980 --> 00:00:34,760
会吸引负电荷电子

16
00:00:34,760 --> 00:00:36,120
让负离子过高

17
00:00:36,120 --> 00:00:38,360
使电子迁移率大大降低

18
00:00:38,360 --> 00:00:40,560
进一步加速了电弧的熄灭