项目
Item |
单位
Unit |
ZW32-12G/T400-12.5 |
ZW32-12G/T630-16 |
ZW32-12G/T630-20 |
额定电压
Rated voltage |
kV |
12 |
额定电流
Rated current |
A |
400 |
630 |
630 |
额定短路开断电流
Rated short-circuit break currcnt |
kA |
12.5 |
16 |
20 |
额定短路关合电流（峰值）
Rated short-circuit close currcnt (peak value) |
31.5 |
40 |
50 |
额定峰值耐受电流
Rated peak valuc withstand current |
31.5 |
40 |
50 |
额定短时耐受电流
Rated short-circuit withstand current |
12.5 |
16 |
20 |
额定断路持续时间
Rated short-circuit duration
|
S |
4 |
额定绝缘水平
Rated insulation level |
雷电冲击耐受电压（峰值）
Thunder impulse withstand voltage(peak vahe) |
kV |
时间、对地75、断口85
Interphaase、grounding insulation75、fracture85 |
工频耐受电压
industnal frequency withstand voltage |
时间、对地42、断门口48
Interphaase、grounding insulation42、fracture48 |
额定操作顺序
Raled operation order |
|
分-0.3s-合 分-180s-合分(电动机构)
off-0.3S-on and off-180S-on snd off（electrotnotion framework） |
额定短路开断电流开断次数
Rated short-circuit current brdak and close time |
次(times |
30 |
机械寿命
Mechanical life-span |
10000 |
额定操作电压（分合线圈）
Rated operation voltage(on-offcoil) |
V |
DC220、110 AC220 |
| 动静触头允许磨损累计厚度 |
mm |
3 |
过电流脱扣器额额定电流
Rated current of over current trip |
A |
5 |
电流互感受器电流比
Current rate of current mutual inductor |
|
200/5 400/5 600/5 |
触头开距
Switching distance of the contact |
mm |
9±1 |
触头超程
Contact exceed degree |
2±0.5 |
平均分闸速度
Average speed of breaking brake |
m/s |
1.2±0.3 |
平均合闸速度
Average speed of closing brake |
0.6±0.2 |
分闸时间
Times of brcaking brakc |
ms |
30-60 |
合闸时间
Times of closing brake |
20-40 |
合闸弹跳时间
Bounce ime of closing brake |
＜20 |
三相分合闸同期性
z |
＜2 |
每相同路直流电阻
Loop direct current resistance of cach phase |
μΩ |
＜80 |
储能电机
Power storage clectro-moto |
额定电压
Rated voltage |
V |
-220 |
额定功率
Rated power |
W |
220 |
储能时间
Power storage time |
S |
＜8 |
隔离开关
Discon necting swit |
|
μΩ |
＜120 |
| 三相刀闸合闸时中心偏摆量 |
mm |
＜2 |
| 三相刀闸分、合闸同期性偏差 |
＜2 |
| 导电部分对地绝缘距离 |
＞160 |
| 断口开距 |
＞200 |
质量
Weight |
kg |
85 |
主要技术参数