主要技术参数Main technique parameter
|
参数名称 Parameter name |
单位 Unit |
数值 Value |
|
额定电压 Rated voltage |
kV |
1.5 |
|
额定电流 Rated current |
A |
630 |
|
额定频率 Rated frequency |
Hz |
50/60 |
|
额定接通电流 Rated making current |
A |
6300 |
|
额定分断电流 Rated breaking current |
A |
5040 |
|
极限分断电流 Limiting breaking current |
A |
6300 |
|
额定短时耐受电流 Rated short time withstand current |
A |
5040 |
|
额定短时⼯频耐压 Rated short time power frequency withstand voltage (1 min) |
kV |
10 |
|
机械寿命 Mechanical life |
1×104 Operations |
50 |
|
Ac3 额定分断次数 Rated breaking operations Ac4 |
1×104 Operations 1×104 Operations |
15 0.6 |
|
触头⾃闭⼒ Automatic closing force of the contaCTs |
N |
30±20 |
|
额定开距时的触头反⼒ Force required to hold the contacts opening at full stroke |
N |
50±20 |
|
触头⾃闭⼒下的回路电阻 Circuit resistance under minimum contacts force |
μΩ |
≤100 |
|
触头允许磨损厚度 Limiting abrasion thickness of the contacts |
mm |
1 |
|
允许储存期 Storage life |
Years |
20 |
|
内部⽓体压⼒ Internal gas pressure |
Pa |
≤1.33×10-3 |
配用的真空开关的机械参数Mechanical requiements of vacuum circuit breaker
|
项目 Items |
单位 Unit |
数值 Value |
|
触头开距 Clearance between opening contacts |
mm |
3±1 |
|
平均分闸速度 Average opening speed |
m/s |
0.55±0.2 |
|
平均合闸速度 Average closing speed |
m/s |
0.6±0.2 |
|
额定触头压⼒ Rated contacts pressure |
N |
85±6 |
|
触头合闸弹跳时间 Contacts bouncing duration at closing operation |
ms |
≤ 3 |
|
合闸同期性 Closing synchronism |
ms |
≤ 2 |
|
触头分闸反弹幅值 Contacts re-bouncing clearance at opening operation |
mm |
≤ 1.5 |

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