額定电压 Rated voltage

12KV

额定电流

Rated current

1250/1600A

额定频率 Rated frequency

50HZ

额定短路开断电流

Rated short-circuit breaking current

25/31.5KA

额定短路开断电流开断次数

Operations of short-circuit breaking current interruption

50次/times

额定短路关合电流

Rated short-circuit making current

63/80KA

额定短时耐受电流(4秒)

Rated shor-time withstand and current (4S)

31.5KA

额定单个电容器组开断电流*

Rated single capacitor bank breaking current

630A

额定背对背电容器组开断电流*

Rated back-to-back capacitor bank breaking current

400A

额定(Imin)工频耐受电流

Short-tine (loin) porer-frequency withstand voltage

48KV

额定雷电冲击耐受电压(峰值)

Rated lightring impulse withstand voltage (peak)

85KV

额定短路开断电流的直流分量

Percentage D. C component of rated S. C Breaking Current

40%

额定工作压力下限时回路电阻

Ciruit resistance at rate contact force

≦20 μΩ

机械寿命 Mechaniccal life

30000次/times

触头自闭力

Contact closing force due to bellows and atmosphere

100±30N

额定开距下触头反力

Counterforce at rated contact force

200±30N

触头允许磨损厚度 Contact erosion limit

3mm

贮存期 Shelf life

20年

局部放电量

Part discharge

≦5pc

额定操作顺序

Rate operating sequence

O—0.3s—CO — 180s—CO

配用的真空开关应满足的机械参数 MECHANICAL DATA OF CIRCUIT-BREAKING EQUIPPED IITH THE INTERRUPTERS

触头开距

Rated contact stroke

9± 1 mm

触头接触行程

Contact connection stroke

3.5± 1 mm

平均分闸速度 Average opening speed

1.1 ±0.2m/s

平均合闸速度 Average closing speed

0.7 ± 0.2m/s

额定触头压力 Added contact force

2500/3150±200N

触头合闸弹跳时间

Bounce 血ration of contact closing

≦2ms

触头分闸不同期

Out of simultaneity of contact closing and opening

≦1 ms

分闸触头反弹幅值 Max. overtravel

≦2mm