GW4-12TQ（D）W轻力矩免维护型，户外高压隔离开关，是频率为50HZ-60 HZ、10kV的户外高压电器设备，供高压线路在有电压无负载情况下进行换接，以及对被检修的高压母线、断路器等电器设备与带电的高压线路进行电气隔离之用。也可用于分、合很小的电容电流和电感电流。
GW4-12TQ(D) W outdoor high-voltage disconnector is outdoor high-voltage equipment with 50-60Hz frequency,10kV,Characterized by light torque, free maintenance. It can be changed and connected for high-voltage line under voltage and no load conditions; it also can be electrically disconnected between the HV electrical equipments such as the overhaul of high voltage busbar, CB, etc. and high voltage cables, also can be used to open or close small capacitor current and conductive current.
隔离开关的主要技术参数见下表，GW4-12D/2000A型户外大电流隔离开关
Main technical data of the disconnector as follows:
|
项目
Item |
参数
Technical data |
|
额定电压 Rated voltage |
12 kV |
|
最高工作电压 Max. work voltage |
12 kV |
|
额定绝缘水平
Rated
Insulation
level |
一分钟工频耐受电压 (有效值)
1 min power frequency withstand voltage (value) |
对地
To earth |
42kV |
|
断口
Fracture |
48 kV |
|
雷电冲击耐受电压 (峰值)
Lightning impulse withstand
voltage kV(peak value) |
对地
To earth |
105kV |
|
断口
Fracture |
120 |
|
额定频率Rated frequency |
50 or 60 Hz |
|
额定电流Rated current |
2000 |
2500 A |
|
热稳定电流 (有效值)
The current of thermal stabilization (value) |
40 |
40kA |
|
动稳定电流 (峰值)
The current of dynamic stabilization (peak value) |
100 |
100kA |
|
接线端额定纵向机械负荷
Rated vertical mechanical loads of connection end |
500N |
|
配 用 机 构
Equipped mechanism |
CS8-6D手动机构
CS8-6D manual operation mechanism |
CS8-6D手动机构manual mechanism
|
辅助开关极数 Pole number of auxiliary switch |
一个八节 Eight for each |
|
DSW4电磁锁 DSW4 electromagnetism lock |
无 Nothing |
注：10kV的户外隔离开关电流等级有400A、630A、1250A、1600A、2000A、2500A、3150A、4000A
GW4-12TQ/2000A户外高压隔离开关 |
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