河南22选56期中奖号码|河南22选5论坛
電話:+86-377-68356606
傳真 : +86-377-68356608
手機:
lynn:+86-13273771392
Skype:jinniuelectric
郵箱:
[email protected]
線路型避雷器
詳細介紹:
線路型型避雷器
    氧化鋅避雷器,是保護交流電力系統的電氣設備免受大氣過電壓和操作過電壓危害的保護設備。

基本原理:
當交流電力系統在工作狀態下,流過避雷器的電流僅為微安級,當遭受電壓時,避雷器優異的非線性伏安特性發揮作用,流過避雷器的電流瞬間增大到數千安培,避雷器處于導通能量,從而有效地限制了過電壓對輸變電設備的侵害。

一、技術參數

避雷器型號 系統額定電壓 避雷器額定電壓 持續運行電壓 直流參考電壓 陡坡沖擊電力下殘缺電壓 雷電沖擊電流下殘缺電壓 操作沖擊電流下殘缺電壓 方波通流容量 大電流沖擊耐受
kV(r.m.s) U1mA >kV A kA
YH5WX-51/134 35 51.0 40.8 73 154.0 134.0 114 400 65
YH5WX-54/150 35 54.0 43.2 77 169.0 150.0 128 400 65
YH5WX-96/250 66 96.0 75.0 140.0 288.0 250.0 213.0 600 65
YH5WX-96/275 66 96.0 75.0 154.0 316.0 275.0 234.0 600 65
YH5WX-108/281 110 108.0 84.0 157.0 323.0 281.0 239.0 200 65
YH5WX-108/309 110 108.0 84.0 173.0 348.0 300.0 263.0 200 65
YH10WX-108/281 110 108.0 84.0 157.0 315.0 281.0 239.0 600 100
YH10WX-108/309 110 108.0 84.0 173.0 348.0 309.0 263.0 600 100
YH10WX-216/562   220 216.0 168.0 314.0  630.0 562.0 478.0 600 100
YH10WX-216/618 220 216.0 168.0 346.0 693.0 618.0 526.0 600 100

B, the product features
1. Small volume, light weight, resistance to impact and transport without loss of touch, install the motor;
2. Special layout, moulded group, no air gap, sealed performance is good, moistureproof explosion-proof;
3. The creepage between big, good water, dirt resistant ability is strong, stable performance, engrave tide running maintenance;
4. The unique formula of zno resistors, high capacity, low leakage;
5. Solid with dc reference voltage, flow capacity and large square wave
C, use of environmental conditions
1. Ambient temperature 40 ℃ and 40 ℃ to -;
2. No higher than 2000 m altitude;
3. The power frequency of 48 hz ~ 62 hz;
4. The maximum wind speed is not higher than 35 m/s;
5. Set LieDu 7 degrees and the following areas.
Long-term applied voltage is not higher than the maximum continuous operating voltage.
河南22选56期中奖号码