FWX-24/630-20型柱上安装的负荷开关适合用于额定电压12/24/40.5kV,额定电流630A、50/60Hz配电网开断、关合电力系统中的负荷电流、过载电流，能够自动将发生故障的配电线路区段隔离开。开关带有最新技术的电子控制器，可以手动操作、电动操作和远距离操作。电子控制器装在不锈钢箱体内，能够适合各种气候条件下使用。此外，箱体内还可安装了有线和无线调制解调器，可以实现远距离监视和控制。简单的柱上安装布置方便、快速，降低施工成本。
图1）陶瓷套管–模压电缆出线图 2）橡胶分体套管–模压电缆出线
Diagram 1) Porcelain bushing- molded cable outletDiagram2)Rubbersplitbushing—moldedcableoutlet
图3）橡胶一体套管–接线端子出线 图4）带有避雷器
Diagram3) Integrativerubberbushing-wiringterminaloutletDiagram4)withsurgearrestor
图5）陶瓷套管–接线端子出线
参数额定值
|
产品型号 |
FWX-12 |
FWX-24 |
FWX-40.5 |
|
额定参数Basic Ratings |
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|
额定电压Maximum System Voltage |
12KV |
24KV |
40.5KV |
|
额定电流Rated Continuous Current |
630A |
630A |
630A |
|
额定频率Rated Frequency |
50/60Hz |
50/60Hz |
50/60Hz |
|
短时耐受电流Short Time Withstand Current |
20KA/1sec |
20KA/1sec |
20KA/1sec |
|
开断能力Making and Breaking Capacity |
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|
额定有功负载开断电流Mainly Active Load Current |
630A |
630A |
630A |
|
开断次数Number of Load-break Operations |
400times |
400times |
400times |
|
短时关合电流(峰值)Short-circuit Making Current (peak) |
50KA |
50KA |
50KA |
|
短时关合电流试验次数Numberof Making Operations |
5 times |
5 times |
5 times |
|
电缆充电开断电流Cable Charging Current |
25A |
25A |
25A |
|
线路充电开断电流Line Charging Current |
1.5A |
1.5A |
1.5A |
|
额定闭环开断电流Closed Loop Circuit Current |
630A |
630A |
630A |
|
额定空载变压器开断电流Transformer Magnetizing Current |
22A |
22A |
22A |
|
工频耐压Power Frequency Withstand Current Test |
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|
湿试10秒 相间、对地，断口间Wet Condition-10sec Ph- Ph-Eth, Across Interrupters |
45KV |
50KV |
70KV |
|
干试1分钟，相间，对地DryCondition-1min，Ph- Ph,Phase to Earth |
50KV |
64KV |
95KV |
|
干试1分钟，断口间Dry Condition - 1 min AcrossInterrupter |
50KV |
79KV |
110KV |
|
冲击耐压Impulse Withstand Current Test |
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|
相对地Phase to Phase, Phase to Earth |
85KV |
125KV |
195KV |
|
断口间Across Interrupter |
95KV |
145KV |
215KV |
|
其他技术参数Other Ratings & Specifications |
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|
内部电弧试验Internal Arc Test |
20kA /0.1 sec |
20kA /0.1 sec |
20kA /0.1 sec |
|
消弧介质Arc Extinction Medium |
SF 6 Gas |
SF 6 Gas |
SF 6 Gas |
|
绝缘介质Insulation Medium |
SF 6 Gas |
SF 6 Gas |
SF 6 Gas |
|
爬电距离（瓷质套管）Creep age Distance (Porcelain) |
380mm |
700mm |
1055mm |
|
爬电距离（硅胶套管）Creep age Distance (Silicon) |
540mm |
700mm |
1669mm |
|
最小飞弧距离Dry arcing distance |
≥200mm |
≥ |
≥ |
|
防护等级IP Level |
65 |
65 |
65 |
|
机械性能Operation Performance |
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|
合/分闸时间Closing/Opening Time |
＜1sec |
＜1sec |
＜1sec |
|
机械稳定性操作Mechanical Operations (Guaranteed) |
10000times |
10000times |
10000times |
|
工作环境温度Operating Temperature (*Manual Type) |
-25～+70℃ |
-25～+70℃ |
-25～+70℃ |
|
Gas Pressure气体压力 |
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|
额定工作压力Nominal Pressure (MPa, at 20°C) |
0.07 |
0.07 |
0.07 |
|
防爆装置动作压力Bursting Pressure (MPa) |
0.4～0.6 |
0.4～0.6 |
0.4～0.6 |
|
最低工作压力Minimum Gas Pressure (MPa) |
0.05 |
0.05 |
0.05 |
|
气体泄漏率Leakage Rate (cc/ sec) |
≤0.5% |
≤0.5% |
≤0.5% |
开关的外观与尺寸
Appearanceanddimensionofswitch
|
外形尺寸 Dimension(mm) |
包装箱尺寸 Packing size（mm） |
重量Weight(Kg) |
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|
|
A |
B |
C |
D |
长×宽×高 Length×Width×high |
|
|
12KV |
225 |
500 |
803 |
1056 |
1100×900×700 |
105 |
|
24KV |
300 |
650 |
953 |
1250 |
1300×1100×700 |
145 |
|
40.5KV |
400 |
850 |
1153 |
1380 |
1400×1200×700 |
165 |
支架安装图
开关和控制箱的安装图
Theswitchandcontrolboxinstallationdiagram
