电 话：0632-3880599
传 真：0632-3218199
1、用途及适用范围
HXGN-12高压环网真空开(kai)(kai)(kai)关柜(简称环网柜),适用于工(gong)矿企(qi)业(ye)、住宅小区、高层建筑和(he)(he)学校等配电(dian)(dian)(dian)(dian)(dian)(dian)系(xi)统(tong)，作为户(hu)内交(jiao)流三相12KV，50HZ的(de)环网供(gong)电(dian)(dian)(dian)(dian)(dian)(dian)单元和(he)(he)终端配电(dian)(dian)(dian)(dian)(dian)(dian)设(she)备，可开(kai)(kai)(kai)断(duan)(duan)或关合额(e)定(ding)(ding)负荷电(dian)(dian)(dian)(dian)(dian)(dian)流及(ji)变压器空载电(dian)(dian)(dian)(dian)(dian)(dian)流，并能(neng)开(kai)(kai)(kai)断(duan)(duan)或关合一定(ding)(ding)距离的(de)架空线路、电(dian)(dian)(dian)(dian)(dian)(dian)缆或电(dian)(dian)(dian)(dian)(dian)(dian)容器组的(de)电(dian)(dian)(dian)(dian)(dian)(dian)容电(dian)(dian)(dian)(dian)(dian)(dian)流。负荷开(kai)(kai)(kai)关一熔断(duan)(duan)器组合电(dian)(dian)(dian)(dian)(dian)(dian)器柜可一次性开(kai)(kai)(kai)断(duan)(duan)额(e)定(ding)(ding)短路电(dian)(dian)(dian)(dian)(dian)(dian)流。在电(dian)(dian)(dian)(dian)(dian)(dian)力系(xi)统(tong)中(zhong)作为配是(shi)民设(she)备的(de)保护，电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)分(fen)配和(he)(he)控制之用。
2、使用环境
1、周(zhou)围环境温度(du)上限40℃，下限-25℃；
2、海拔(ba)高(gao)度不(bu)大(da)于1000米；相对温度：
3、日平(ping)均(jun)值有大(da)(da)于(yu)95%，月平(ping)均(jun)值不大(da)(da)于(yu)90%；
4、无光灾，爆炸危险及剧烈振动的场所(suo)；
5、周围(wei)空气无(wu)腐(fu)蚀性或可燃性气体，水蒸气和导电性尘埃等明显污(wu)染。
3、 型号及含义
4、主要技术参数
|
序号 |
项目 |
单位 |
数(shu)值 |
|
|
1 |
额定电压 |
KV |
12 |
|
|
2 |
额定电流 |
负荷开关(guan) |
A |
630 |
|
组(zu)合(he)电器柜 |
125 |
|||
|
3 |
额定短路关合(he)电流(liu) |
KA |
50 |
|
|
4 |
额定短路开断(duan)电流 |
KA |
31.5 |
|
|
5 |
额(e)定(ding)有(you)功负载开断电流 |
A |
630 |
|
|
6 |
4S热稳定(ding)电流 |
KA |
20 |
|
|
7 |
动(dong)稳(wen)定(ding)电流 |
KA |
50 |
|
|
8 |
1min工(gong)频耐(nai)受电压 |
KV |
42（断口，48） |
|
|
9 |
雷电冲击耐受电流 |
KV |
75（断(duan)口，85） |
|
|
10 |
机(ji)械(xie)寿命(ming) |
次(ci) |
10000 |
|
|
11 |
额定交接(jie)电流（组(zu)合(he)电器(qi)） |
A |
3150 |
|
|
12 |
操作方式(shi) |
|
手动方(fang)式 |
|
|
13 |
防(fang)护(hu)等级 |
|
IP2X |
|
5、订货时应注明下列内容
1、 一(yi)次回路方案及单线系统图
2、环(huan)网(wang)柜(ju)排列图(tu)用平面布置图(tu)
3、每台柜所装(zhuang)配的电器(qi)元件(jian)名称(cheng)，规格及数量(liang)；（负荷开(kai)关应注明操作(zuo)方式及电动机电源种类和工作(zuo)电压 ）；
4、辅助回路原(yuan)理图；
5、一次回路(lu)母线型号规格；
6、柜体中喷(pen)涂颜色。