10 kv embedded pole
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10 kv embedded pole
12kv/10KV embedded pole for vacuum circuit breaker
VEP1250/12-25
VEP1250/12-31.5
VEP1600/12-31.5
主要项目的技术参数MAIN TECHNICAL DATA
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 |
产品符合或超过E2级和IEC62271-100以及GB1984-2003的要求
Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC62271-100 and GB 1984-2003
*为需要时提供的额定参数
Rated characteristics to be given on request
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