TD-24/1250-25J(2389)型 断 路 器 用 真 空 灭 弧 室
CERAMIC VACUUM INTERRUPTER FOR CIRCUIT-BREAKER Q/20258792-X667—2004《3.6～40.5kV 交流高压断路器用真空灭弧室》适用,并作如下补充: 主要技术参数(MAIN TECHNICAL DATA)
参数名称(Data) 额定电压 Rated Voltage 雷电冲击耐受电压(峰值) Lightning Impulse Withstand Voltage (Peak) 短时(1min)工频耐受电压 Short-time(1min) Power-frequency Withstand Voltage 额定频率 Rate Frequency 额定电流 Rated Current 额定短时耐受电流 Rated Short-time Withstand Current 额定短路持续时间 Rated Duration of Short-circuit 额定峰值耐受电流 Rated Peak Withstand Current 额定短路关合电流 Rated Short-circuit Making Current 额定短路开断电流 Rated Short-circuit Breaking Current 最大直流分量 Max. Dc component 额定短路开断电流开断次数 Switch Operations of Rated Short-circuit Breaking Current 额定单个电容器组开断电流 Rated Single Capacitor Bank Breaking Current 额定背对背电容器组开断电流 Rated Back-to-back Capacitor Bank Breaking Current 机械寿命 Mechanical Endurance 触头开距 Clearance Between Open Contacts 触头自闭力 Contact Closed Force Due to Bellows and Atmosphere 触头反力 Counterforce of Contact at Full Stroke 额定触头压力下限时的回路电阻 Circuit Resistance at Min. Rated Contact Force 触头允许磨损厚度 Contact Limit Erosion 运动部分的质量 Mass of Moving Parts 内部气体压力 Internal Gas Pressure 允许储存期 Shelf Life 额定操作顺序 Rated Operating Sequence 单位(Unit) 数值(Value) 24 145★ 30/79★ 50 1250 25 4 63 63 25 50% 次 Operations 30 400※ 400※ 10000 13±1 110±40 190±40 ≤18 3 1.2 <1.33×10-3
kV kV kV Hz A kA s kA kA kA
A A
次 Operations mm N N μΩ mm kg Pa
年 20 Year 分-0.3 秒-合分-180 秒-合分 Open – 0.3s - CO –180s – CO
配套的真空开关设备应满足的机械参数 MECHANICAL DATA OF VACUUM SWITCH EQUIPPED WITH THE INTERRUPTERS
参数名称(Data) 平均分闸速度(前 6mm) Average Opening Speed(first 6mm) 平均合闸速度(后 6mm) Average Closing Speed(last 6mm) 触头合闸弹跳时间 Contact Bounce Duration at Closing Operation 触头合闸和分闸不同期 Out of Simultaneity of Contact Closing and Opening 额定触头压力 Rated Contact Pressure 触头初压力 Contact Pressure at contact touch point 触头最大分闸反弹量 Max. rebound of contact at opening Operation 触头分闸允许过冲 Overtravel during Opening
注 1: "★"在变压器油中或等效绝缘介质中 注 2: "※"为需要时提供的额定参数
单位(Unit) m/s m/s ms ms N mm mm

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