Компания BOV может производить и поставить вакуумные камеры с 12кВ до 126кВ. Продукты широко и успешно применяются в вакуумных выключателях,в выключателях нагрузки,в переключателях электрификации железных дорог и в контакторах.
主要技术参数（重合器用）MAIN TECHNICA DATA（FOR RECLOSER） |
|
额定电压 Rated voltage |
27KV |
额定电流 Rated current |
800,630A |
额定频率 Rated frequency |
50/60HZ |
额定短时(1min)工频耐受电压Rated Short-time(1min) power-frequency withstand voltage |
*60KV |
额定雷电冲击耐受电压(峰值)Rated Lightning impulse withstand voltage(peak) |
*125KV |
额定短路开断电流 Rated short-circuit breaking current |
12.5KA |
额定短路开断电流开断次数Operations of short-circuit breaking current interruption |
15-20%,88；45-55%，112；90-100%，32 |
额定短路关合电流 Rated short-circuit making current |
31.5KA |
额定峰值耐受电流 Rated peak withstand current |
31.5KA |
额定短时耐受电流(3秒) Rated short-time withstand current(3s) |
12.5KA |
额定线路充电开断电流 Rated breaking current of line charging |
5A |
额定电缆充电开断电流Rated cable-charging breaking current |
25A |
额定空载变压器开断电流Rated breaking current of no-load transformer |
22A |
额定触头压力下限时的回路电阻 Circuit resistance at minimum added force |
≤25μΩ |
机械寿命 Mechanical life |
10000次 |
触头自闭力 Closing force due to bellows and atmosphere |
60±30N |
额定开距下的触头反力 Force required to hold contacts open at full stroke |
≤155N |
触头允许磨损厚度 Contact erosion limit |
3mm |
贮存期 Shelf life |
20年 |
动触头导向套耐受温度 Temperature endurance of lead bushing of moving |
170℃ |
额定操作顺序 Rated operating sequence |
O-0.3s-CO-1.8s-CO-1.8s-CO |
配套真空开关的机械参数(建议值)MECHANICAL DATA OF CIRCUIT-BREAKING RECOMMENDATIONS WITH THE INTERRUPTERS |
|
触头开距 Rated contact stroke |
12±0.5mm |
触头接触行程 Contact connection stroke |
4±1mm |
平均分闸速度（0-6mm行程）Average opening speed（0-6mm stroke） |
1.2±0.2m/s |
平均合闸速度（6mm-触头闭合）Average closing speed（6mm-contact making） |
0.8±0.2m/s |
额定触头压力 Added force on closed contacts |
670～870N |
触头合闸弹跳时间 Max.bouncing duration |
≤2ms |
触头分合闸不同期 Out of simultaneity of contact closing and opening |
≤1ms |
分闸触头反弹幅值 Max. rebound distance |
≤2mm |
备注（Note）： * 须有外绝缘保护（With insulation cover）； |
|
Beijing Orient Vacuum Electric Co.,Ltd.
