Product added to compare
Product Compare added Product Compare

直流供电系统的电压、电流和温度测量

数十年来,Knick 致力于提供优质的电气隔离变送器,用于可靠、精确测量直流设备中的电压和电流。公司历经风雨,现已发展成为该领域的全球市场领导者。因此,当直流设备供应商和运营商遇到特殊技术挑战时,例如需要磨损监测解决方案实现预防性维护,Knick 总能挺身而出,为客户排忧解难。

为何选择 Knick?
变电站中的保护装置必须测量电流和电压,以便执行短路检测算法。这就需要能够快速精确测量、同时又能承受高负荷的高压变送器。其必须能承受 750 至 3000 V 之间的直流电压,包括瞬时的过电压,例如在制动列车的能量回收过程中。在这些高压应用中,对人员和设备的保护至关重要。因此,Knick 设备所具有的强电气隔离特性,是客户选择变送器的重点考虑因素。

相关产品

相关工业和应用

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。
直流牵引变电站和机车车辆上的电气测量;轨道车辆上速度传感器信号的转换和复制。
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。
铁路行业手册


铁路特定应用和产品解决方案总览

最新博客文章

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

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.

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.

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。

Knick Interface at Battery and Electric & Hybrid Vehicle Technology Expo

Knick will be showcasing high-voltage electrical measurement and signal conversion products.

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.

Electrical measurement and process analytics for hydrogen production

Knick products optimize hydrogen production in the process and in electrolyser operation.

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.

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.

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。

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。

Measuring Photovoltaic Degradation

Photovoltaic (PV) array degradation is an important aspect to consider for system design and installation.

Electrical Measurement Solutions: Control from 480 to 4800 Volts

Voltage and current transducers from Knick bring true control to electrical measurement applications across a wide-range of industries.

Benefits of High Voltage Transducers versus Instrument Transformers

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.

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。

MTBF beyond 3000 years: A snap hook for your plant

Failure of equipment on the plant floor can lead to considerable and costly disruption.

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.

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.

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.

Functional safety and maximum availability can go together

The requirements on operational and safety-related circuits are continuously growing.