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FZBW-24(12)/0.4 户外装配式变电站 ( 欧式 )                                                            3
                                                                                                       مอ׈৯
           Outdoor assembled substation (European)                                                     '"5&/( 108&3



           VGV-24(VS1-24) 型真空断路器技术数据 Vacuum circuit breaker technical data


            序号                          项目 project                单位                 数值 Numerical value
            Serial number                                         unit

            1                       额定电压 Rated voltage             kV                       24


            2                      额定频率 Rated frequency            Hz                       50

            3                       额定电流 Rated current             A                630、1250、2500、3150


            4             额定短路开断电流 Rated short-circuit breaking current  kA              25、31.5

            5             额定短路关合电流 Rated short circuit closing current  kA                63、80


            6               额定峰值耐受电流 Rated peak withstand current  kA                     63、80

            7             额定短时耐受电流 Rated short-time withstand current  kA/s             25/4、31.5/4


                          额定 1min 工频耐受电压 Rated 1min power frequency
            8                                                      kV              65(相间、对地)/79(断口)
                                      withstand voltage
                         额定雷电冲击耐受电压 Rated lightning impulse withstand
            9                                                      kV             125(相间、对地)/145(断口)
                                         voltage
            10                额定操作顺序 Rated operation sequence                       O-0.3s-CCO-180s-CO


            11                   主回路电阻 Main loop resistance       μΩ            ≤ 60(630A)、≤ 50(1250A 以上)

                                各相导电回路电阻(含触臂)触头开距
            12           Each phase of the conductive loop resistance (including   mm     13±1
                             the contact arm) contact opening distance

            13             触头允许磨损厚度 Contact allowable wear thickness  mm                    3

            14                 平均合闸速度 Average closing speed       m/s                     0.8±0.2


            15                 平均分闸速度 Average opening speed       m/s                     1.4±0.3

            16                         合阐时间 Time                  ms                      35 ~ 70


            17                      分闸时间 Opening time             ms                      20 ~ 50

            18              触头合闸弹跳时间 Contact closing bounce time  ms                       ≤2

                                     三相触头合分阐不同期
            19                                                    ms                       ≤1
                          Three-phase contact is divided into different periods
            20                 相间中心距 Interphase center distance   mm                       275





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