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高度隔离的变送器,用于铁路行业的电压、电流和转速信号

用于铁路行业的精密仪器

50 多年以来,Knick 一直是国际铁路行业久经考验的合作伙伴。根据实际现场数据确定,Knick 直流高压变送器的平均无故障时间 MTBF 长达 2165 年,为该行业树立了标杆。

Knick 出品的所有其他轨道交通行业产品,亦遵循同样的高质量标准,分布在柏林总部和各国子公司的 230 多名员工,是这一标准的坚定执行者。

Knick 以此为基准开发面向未来的测量技术,致力于提高铁路运输的经济效益与安全性,覆盖了轨道以及直流牵引供电系统。凭借用于铁路领域精确测量电流和电压以及电气隔离和转换转速信号的设备,Knick 向世人尽情展现“THE ART OF MEASURING”。

在铁路车辆上

牵引变电所

路段

为何选择 Knick?
Knick 信号隔离器和变送器提供下游过程所需的信号,无干扰且高度精准。精确且耐用的 Knick 设备满足铁路行业面临的特殊规范和功能要求。对于我们而言,精确也意味着产品的各种特性与测量任务精确匹配,而这,也是整套系统可靠运行的前提条件。

H2 [Ind] Application Description

Absatz [Ind] briefly: where can be used Knick products

在直流牵引变电所中

电压测量
用于 750 V、1500 V 和 3000 V DC 系统,连续隔离电压高达 3600 V AC/DC,隔离测试电压高达 15 kV AC

电流测量
使用 ±30 mV 分流电阻,连续隔离电压高达 3600 V AC/DC,隔离测试电压高达 15 kV AC

温度测量
使用 Pt100 电阻温度计,连续隔离电压高达 6600 V AC/DC,隔离测试电压高达 15 kV AC

在铁路车辆上

电压测量
高达 ±4500 V DC / ±3000 V AC,连续隔离电压高达 4800 V AC/DC,隔离测试电压高达 20 kV AC

电流测量
使用 ±30 mV 分流电阻,连续隔离电压高达 4800 V AC/DC,隔离测试电压高达 18 kV AC

转速信号
转速信号倍增、调整和隔离,连续隔离电压高达 1000 V AC/DC,隔离测试电压高达 5 kV AC

铁路行业手册


铁路特定应用和产品解决方案总览

相关应用

Knick 为电压和电流测量提供高度隔离的变送器。P45000 是最紧凑的高压变送器,达到 SIL 2 等级,可用于所有直流和交流电动列车上的直流电压测量。
P16800 可将里程计系统的速度信号安全倍增 (SIL2/SIL4),从而简化铁路车辆与控制系统的改装。
用于直流供电的牵引变电所(高达数兆瓦)及其所供电的电网分段必须具备有效的短路保护。保护机构必须尽快可靠中断大电流,并限制短路功率。

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