用于限制真空开关或少油开关切换旋转电机时产生的过电压,保护旋转电机免受操作过电压损坏。
|
避雷器型号
|
系统额
定电压
|
避雷器
额定电压
|
持续运
行电压
|
直流参考
电压(U1mA)
|
陡波冲击电流下残压
|
雷电冲击电流下残压
|
操作冲击电流下残压
|
方波通流容量(2ms)
|
大电流
冲击耐受
|
图号
|
|
kV(r.m.s)
|
≮kV
|
≯kV
|
A
|
kA
|
|
HY5WD-4/9.5
|
|
3.15
|
4.0
|
3.2
|
5.7
|
10.7
|
9.5
|
7.6
|
400
|
65
|
|
|
HY5WD-8/18.7
|
6.3
|
8.0
|
6.3
|
11.3
|
21
|
18.7
|
15.0
|
400
|
65
|
|
HY5WD-13.5/31
|
10.5
|
13.5
|
10.5
|
18.9
|
34.7
|
31.0
|
25.0
|
400
|
65
|
|
|
HY5WD-17.5/40
|
13.8
|
17.5
|
13.8
|
24.8
|
44.8
|
40.0
|
32.0
|
400
|
65
|
|
HY5WD-20/45
|
15.8
|
20
|
15.8
|
28.4
|
50.4
|
45.0
|
36.0
|
400
|
65
|
|
|
HY5WD-23/51
|
18.0
|
23
|
18.0
|
32.0
|
57.2
|
51.0
|
40.8
|
400
|
65
|
|
HY2.5WD-4/9.5
|
3.15
|
4.0
|
3.2
|
5.7
|
10.7
|
9.5
|
7.6
|
200
|
65
|
|
|
HY2.5WD-8/18.7
|
6.3
|
88
|
6.3
|
11.3
|
21.0
|
18.7
|
15.0
|
200
|
65
|
|
|
HY2.5WD-13.5/31
|
10.5
|
13.5
|
10.5
|
18.9
|
34.7
|
31.0
|
25.0
|
200
|
65
|
|
|
HY1.5WD-2.4/6
|
3.15
|
2.4
|
1.9
|
3.4
|
|
6.0
|
|
200
|
65
|
|
|
HY1.5WD-5/12
|
6.3
|
5.0
|
3.8
|
7.1
|
|
12.0
|
|
200
|
65
|
|
|
HY1.5D-8/19
|
10.5
|
8.0
|
6.4
|
11.3
|
|
19.0
|
|
200
|
65
|
|
|
注:1、“HY5-”为发电机用；2、“HY2.5-”为电动机用；“HY1.5-”为电机中性点用。
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ENGLISH
