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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。

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

铁路车辆上的高压和电流测量
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。
铁路车辆上的速度信号倍增
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。
直流牵引变电所中的电压和电流测量
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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合适的产品

P16000 Pulse Frequency Conditioner | Input speed sensor signal up to 20kHz | Safe decoupling acc. SIL3
P16000 Pulse Frequency Conditioner | Input speed sensor signal up to 20kHz | Safe decoupling acc. SIL3
商品编码:

P16000

P16800 Speed Signal Doubler | Input speed sensor signal 10 … 33.6 V DC (max.35 V) | Safe decoupling acc. SIL4, safe transmission acc. SIL2
P16800 Speed Signal Doubler | Input speed sensor signal 10 … 33.6 V DC (max.35 V) | Safe decoupling acc. SIL4, safe transmission acc. SIL2
商品编码:

P16800

P41000 High Voltage Transducer | Input up to ±100 V | High isolation up to 3600 V
P41000 High Voltage Transducer | Input up to ±100 V | High isolation up to 3600 V
商品编码:

P41000

P41000AG High Voltage Transducer | Input up to ±120/1320 mV | Nominal current and overcurrent measurement
P41000AG High Voltage Transducer | Input up to ±120/1320 mV | Nominal current and overcurrent measurement
商品编码:

P41000AG

P42000 High Voltage Transducer | Input up to ±3600 V | Voltage measurement
P42000 High Voltage Transducer | Input up to ±3600 V | Voltage measurement
商品编码:

P42000

P45000 High Voltage Transducer | Input up to ±3000 V overrange up to 150% | For use in SIL2 systems, redundantly in SIL3
P45000 High Voltage Transducer | Input up to ±3000 V overrange up to 150% | For use in SIL2 systems, redundantly in SIL3
商品编码:

P45000

P51000 High Voltage Transducer | Input up to ±125 V | Current measurement | Energy metering
P51000 High Voltage Transducer | Input up to ±125 V | Current measurement | Energy metering
商品编码:

P51000

P52000 High Voltage Transducer | Input up to ±4800 V | Voltage measurement | Energy metering
P52000 High Voltage Transducer | Input up to ±4800 V | Voltage measurement | Energy metering
商品编码:

P52000

P52000 VPD High Voltage Transducer | Input max. 4200 V DC or AC peak | Voltage presence detection
P52000 VPD High Voltage Transducer | Input max. 4200 V DC or AC peak | Voltage presence detection
商品编码:

P52000VPD

接口技术领域的最新博客文章

12月 2023

Company

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Interface Technology

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Process Analytics

Knick Austria - direct customer contact in Austria from 2024
Reorganization of sales in Austria and new contacts in the field of process analytics and interface technology

9月 2022

Interface Technology

Exhibition, InnoTrans

InnoTrans 2022 - three products as world firsts for rolling stock and DC traction power supply applications
At InnoTrans 2022 Knick presented 3 products as world firsts for rolling stock and DC traction power supply applications.

5月 2022

Interface Technology

Energy

Energy storage - the handshake between renewable energy and electric vehicles
Energy storage technology such as battery and hydrogen are critical for growth and continuous development of renewable energy and e-mobility.

2月 2022

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P52000VPD, Voltage

P52000VPD 电压检测器能够可靠检测高达 4200 V 的直流电压
新型电压检测器 P52000VPD (Voltage Presence Detection) 能够可靠监控高压应用领域，在达到指定阈值时向下游设备控制器发送信号。

9月 2021

Interface Technology

USA, Exhibition

Knick Interface at Battery and Electric & Hybrid Vehicle Technology Expo
Knick will be showcasing high-voltage electrical measurement and signal conversion products.

5月 2021

Interface Technology

VariTrans A20340 – 仅需一个隔离放大器的标准信号倍增
The A20340 can output a standard input signal to four calibrated and galvanically isolated outputs in parallel.

4月 2021

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Hydrogen

Electrical measurement and process analytics for hydrogen production
Knick products optimize hydrogen production in the process and in electrolyser operation.

3月 2021

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High-Voltage Transducer, USA, P44000

Condition Monitoring of High-Voltage Motors
Having an active predictive maintenance campaign in place for large rotating equipment can be a key strategy for maximizing process uptime.

3月 2021

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Pulse frequency conditioner for speed sensors
The new P16000 from Knick is a pulse frequency conditioner that converts frequency signals from speed sensors into standard signals.

11月 2020

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High-Voltage Transducer, Voltage, P42000D2

全球最小传感器，高达±2200 V
Knick的VariTrans P 40000系列能对从±50 mV到±3600 V的电压，以及从±100 mA到±20 kA的电流进行可靠测量。经过验证的ProLine系列现在已经扩展到包含传感器P42000D2，它安装在Din导轨上，模块设计紧凑，测量高达2200 V的直流电压。

8月 2020

Interface Technology

DC

宽范围电源对于直流电气测量的重要性
Knick生产的众多直流电气测量产品都包含通用的，也称为宽范围电源。这意味着它们将工作在一个相对较宽的电压范围窗口内，如20…253V，交流或直流。

7月 2020

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High-Voltage Transducer, DC, P29000

Measuring Photovoltaic Degradation
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6月 2020

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High-Voltage Transducer, USA

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6月 2020

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When a need arises to step voltage in a circuit either up or down for purposes of power transmission or distribution, there is no doubt that transformers are essential.

11月 2019

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DC, USA, Current

分流器和霍尔效应的技术对比
在许多系统中，为了确保性能和安全，需要测量较大的直流电流。两个例子是静态励磁和轨道牵引动力。这些电流的测量通常采用两种主要原理之一：配有mV级变送器的分流器电阻或霍尔效应传感器来反馈。

3月 2018

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MTBF beyond 3000 years: A snap hook for your plant
Failure of equipment on the plant floor can lead to considerable and costly disruption.

1月 2018

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UL

Knick Products Comply With UL - What Does That Mean?
There are different assessments and approaches to reach an adequate level of safety. Manufacturers are typically on the “safe” side, if they comply with recognized standards.

11月 2017

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High-Voltage Transducer, P50000

High-voltage transducer offers more safety on railway vehicles
The requirements placed on railway vehicles have increased significantly in recent years. Products for rolling stock need to ensure a higher level of functional safety than ever before.

2月 2017

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P41000TRMS

True RMS Measurement with P41000TRMS
Traditional millivolt AC transducers are very susceptible to errors due to their poor insulation and are only designed for pure sinewave measurement.

2月 2017

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P22400, SIL

Functional safety and maximum availability can go together
The requirements on operational and safety-related circuits are continuously growing.