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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