One Step Solution For Transformers
Product Details
序号 |
项目 |
参数 |
|
1 |
额定电压(kV) |
126,252,363,420,550 |
|
2 |
额定频率(Hz) |
50/60 |
|
3 |
额定电流(A) |
1250、2000、2500、3150、4000、5000 |
|
4 |
额定峰值耐受电流(kA) |
125、160 |
|
5 |
额定短时耐受电流(kA) |
50、63 |
|
6 |
额定短路持续时间(s) |
3 |
|
7 |
机械寿命(次) |
10000 |
GW23B系列隔离开关流是三相交流频率50Hz/60Hz的户外高压输变电设备,用于在无负荷情况下断开或接通高压线路,以便对高压线路进行转换、改变运行方式,以及对检修的母线与断路器等高压电器实行安全的电气隔离,也可以分合一定数值的电感、电容小电流并具有开合母线转换电流的能力。
本产品为双柱直伸缩式结构,触头为插入式,分闸后形成水平的绝缘断口,适用于110kV和500kV变电站中作线路隔离开关使用。可以一侧或两侧附装JW10型接地开关,当把两组GW23B型隔离开关组合成共静触头形式时,适用于一倍半接线,可以节省变电站的占地面积。363、550kV隔离开关和接地开关均配用SRCJ8型电动机构进行单极操作,并可实现三极电气联动。126、252kV隔离开关分别配用SRCJ7、SRCJ3型电动机操动机构三极联动操作,接地开关分别采用CS11、SRCS型人力操动机构三极联动操作。
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