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户内高压真空断路器                                                                                 ୚ࡢ䚕ࣔࠩ

        Indoor HV Vacuum Circuit Breaker                                                          AREVA ELECTRIC



        产品技术参数 /Technical parameters

        12kV
          名称 Item                                         单位 Unit  数值 Data
          额定电压 Rated voltage                              kV      12
                                           对地及相间
                    1min 工频耐受电压(有效值)       To gound and           42
                    1min power frequency   interphase
          额定        withstand voltage      真空断口间
          绝缘水平                             Vacuum break           48
          Rated                                           kV
          insulation                       对地及相间
          level     雷电冲击耐受电压(峰值)           To gound and           75
                    Rated lighting impulse   interphase
                    withstand voltage      真空断口间
                                           Vacuum break           85
          额定频率  Rated frequency                           Hz      50
          额定电流  Rated current                             A       630,1000,1250,2000,2500,3150,4000
          额定短路开断电流  Rated short-circuit current                   20          25           31.5         40
          额定短路关合电流(峰值)  Rated short-circuit making current  kA    50          63           80           100
          4s 短时耐受电流  4s thermal stability current                 20          25           31.5         40
          峰值耐受电流  Peak withstand current                          50          63           80           100
          额定短路开断电流开断次数                                    次       30
          Break times of reted short-circuit current
          额定开合单个电容和背对背电容器组电流
          Rated open-close single capacitor and back-to-back capacitor   A  630/400
          bank current
          额定关合电容器组涌流  Rated inrush current of capacitor bank  kA  12.5( 频率不大于 1000Hz)
          额定操作顺序  Operating consequency                           分 -0.3s- 合分 -180s- 合分
          分闸时间  Opening time                                      25-50
          合闸时间  Colsing time                              ms      35-70
          全开断时间  Break time                                       ≤ 100
          机械寿命  Mechanical life                           次       30000
          动、静触头允许磨损累计厚度  Contact allowable abrasion       mm      3
          额定操作电压           合闸线圈  Closing coil
          Rated operation                                 V       AC、DC 220、110
          voltage          分闸线圈  Triping coil
          线圈功率             合闸线圈  Closing coil
          Power comsumption                               W       244
          of coil          分闸线圈  Triping coil
          储能电机功率  Power comsumption of energy storage motor  W    75
          储能电机额定电压  Rated voltage of energy storage motor  V      AC、DC 220、110
          储能时间  Spring charging time                      s       ≤ 12
          触头开距  Contact distance                          mm      9±1
          触头超行程  Contact over-travel                      mm      4±0.5
          三相分闸同期性  Triping synchronization                        ≤2
          三相合闸同期性  Closing synchronization                ms      ≤2
          合闸触头弹跳时间  Bounce time                                   ≤2
          相间中心距  Interphase distance                      mm      210±2                        275±2
          合闸触头接触压力  Contact pressure when closed          N       2000±200  2400±200  3100±200  4500±200  6000±200
          平均分闸速度  Average triping speed                   m/s     0.9 ~ 1.2
          平均合闸速度  Average closing speed                   m/s     0.5 ~ 0.8
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