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主要技术参数MAIN TECHNICA DATA |
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额定电压
Rated voltage |
24KV |
*短时(1min)工频耐受电压
Short-time(1min) power-frequency withstand voltage |
65KV |
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额定电流
Rated current |
1600/1250A |
*雷电冲击耐受电压(峰值)
Lighting impulse withstand voltage(peak) |
125KV/△150KV |
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额定频率
Rated frequency |
50HZ |
额定触头压力下的回路电阻
Circuit resistance at rated contact force |
≤12μΩ |
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额定短路开断电流
Rated short-circuit breaking current |
31.5KA |
机械寿命
Mechanical life |
10,000次 |
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额定短路开断电流开断次数
Operations of short-circuit breaking current interruption |
30次 |
触头自闭力
Contact closing force due to bellows and atmosphere |
100±30N |
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额定短路关合电流
Rated short-circuit making current |
80KA |
额定开距下的触头反力
Counterforce at rated contact stroke |
200±30N |
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额定峰值耐受电流
Rated peak withstand current |
80KA |
触头允许磨损厚度
Contact erosion permission length |
3mm |
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额定短时耐受电流(4秒)
Rated short-time withstand current(4s) |
31.5KA |
贮存期
Shelf life |
20年 |
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额定单个电容器组开断电流
Rated single capacitor bank breaking current |
630A |
质量/动触头质量
Weight/mass of moving parts |
4.8Kg/1.49Kg |
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额定背对背电容器组开断电流
Rated back-to-back capacitor breaking current |
400A |
额定操作顺序
Rated operating sequence |
O-0.3s-CO-180s-CO |
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最大直流分量
Max.DC-component |
40% |
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配套的真空开关应满足的机械参数MECHANICAL DATA OF CIRCUIT-BREAKING EQUIPPED WITH THE INTERRUPTERS |
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触头开距
Rated contact stroke |
12±1mm |
额定触头压力
Rated operation pressure of contact |
3300±200N |
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触头接触行程
Contact connection stroke |
4±1mm |
触头合闸弹跳时间
Bounce duration of contact closing |
≤2ms |
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平均分闸速度(0-6mm行程)
Average opening speed(0-6mm stroke) |
1.1～1.7m/s |
触头分合闸不同期
Out of simultaneity of contact closing and opening |
≤1ms |
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平均合闸速度(6mm-触头闭合)
Average closing speed(6mm-contact making) |
0.8～1.2m/s |
分闸触头反弹幅值
Max. overtravel |
≤2mm |
