西门子 3AF04/3AF05 27.5kV铁路用户外真空断路器
时间:2018-12-30 阅读:1922
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27.5kV, 2500A, 31.5kA/4s
符合的GB/JB标准
单极/双极结构,瓷套管绝缘
真空开断技术
3AH3操作机构
可选配外置电流互感器
无SF6气体,极柱内充干燥空气防止凝露
Feature
27.5kV, 2500A, 31.5kA/4s
Designed and tested according to GB standard, JB standard.
Live tank design, single pole / double pole, poreclain insulation.
Siemens vacuum interrupter (VI) application.
3AH3 spring mechanism.
Optional external CTs for measurement and protection.
No SF6 gas inside.
技术参数 Technical Data
型 号 Type | 3AF04 | 3AF05 | |
额定电压 Rated Voltage | 27.5kV | 55/27.5kV | |
额定电流 Rated Current | 2500A | 2500A | |
额定频率 Rated Frequency | 50Hz | 50Hz | |
额定工频耐受电压 Power-frequency withstand voltage | 相对地/断口间 To earth and between phases | 95kV | 95kV |
相间 Across isolating distance | - | 140kV | |
额定雷电冲击耐受电流 (峰值) Lighting impulse withstand voltage(peak) | 相对地/断口间 To earth and between phases | 185kV | 185kV * |
相间 Across isolating distance | - | 325kV | |
额定短路开断电流 Rated short-current breaking current | 31.5kA | 31.5kA | |
额定短路关合电流(峰值) Rated short-current making current (peak) | 80kA | 80kA | |
额定短时耐受电流 Rated short circuit withstand current | 31.5kA, 4s | 31.5kA, 4s | |
额定操作顺序 Rated operation sequence | O-0.3s-180s-CO | O-0.3s-180s-CO | |
机械操作寿命 Mechanical endurance | 10,000次 | 10,000次 | |
运行条件 Working condition | -25℃~+40℃ | -25℃~+40℃ | |
防护等级 IP class | IP55 | IP55 |
* 200kV BIL 可选。
* 200kV BIL available.