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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

        24kV
          名称 Item                                              单位 Unit   数值 Data
          额定电压
          Rated voltage                                        kV        24
                                               对地及相间
                     1min 工频耐受电压(有效值)          To gound and              65
                     1min power frequency withstand   interphase
          额定         voltage                   真空断口间
          绝缘水平                                 Vacuum break              79
          Rated                                                kV
          insulation                           对地及相间
          level      雷电冲击耐受电压(峰值)              To gound and              125
                     Rated lighting impulse withstand   interphase
                     voltage                   真空断口间
                                               Vacuum break              145
          额定频率                                                 Hz        50
          Rated frequency
          额定电流
          Rated current                                        A         630 1000 1250 2000 2500,3150
          额定短路开断电流                                                       20             25             31.5
           Rated short-circuit current
          额定短路关合电流(峰值)                                                   50             63             80
          Rated short-circuit making current                   kA
          4s 短时耐受电流                                                      20             25             31.5
          4s thermal stability current
          峰值耐受电流                                                         50             63             80
          Peak withstand current
          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 bank   A  630/400
          current
          额定关合电容器组涌流                                           kA        12.5( 频率不大于 1000Hz)
          Rated inrush current of capacitor bank                         12.5(Frequency less than 1000Hz)
          额定操作顺序                                                         分 -0.3s- 合分 -180s- 合分
          Operating consequency                                          O-0.3s-CO-180s-CO
          分闸时间                                                           25-50
          Opening time
                                                               ms
          合闸时间                                                           35-70
          Colsing time
          机械寿命                                                 次
          Mechanical life                                                30000
          动、静触头允许磨损累计厚度                                        mm        3
           Contact allowable abrasion
          储能时间                                                 s         ≤ 12
          Spring charging time
          触头开距                                                 mm        13±1
          Contact distance
          触头超行程                                                mm        4±0.5
           Contact over-travel
          三相分闸同期性                                                        ≤2
          Triping synchronization
          三相合闸同期性
          Closing synchronization                              ms        ≤2
          合闸触头弹跳时间                                                       ≤2
          Bounce time
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