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Pūoko pāmahana whakaata Fiber, Pūnaha aroturuki Intelligent, kaiwhakanao whakaata tākainga tūari i Haina

Inenga pāmahana whakaata tākaka Pūrere inenga pāmahana whakaata Pūnaha inenga pāmahana whakaata tākaka

Transformers and switchgear can use fiber optic temperature measurement systems, which are mainly divided into fluorescent fiber optic temperature measurement, inenga pāmahana whakaata tākaka, me fiber optic grating temperature measurement systems.

The main categories of fiber optic temperature measurement systems are fluorescence fiber optic temperature measurement systems, fiber optic grating temperature detection systems, and DTS fiber optic distributed temperature measurement systems, which achieve comprehensive/separate temperature monitoring of power equipment such as oil immersed transformers, panoni momo maroke, switchgear, reactors, generator stators, high-voltage cable joints, high-voltage bus joints, knife switches, taura ngaohiko tiketike, ērā atu mea. in power generation/substations. They can meet the requirements of point based accurate measurement and long-distance distributed measurement. The entire temperature sensing network is composed of optical fibers, and the monitoring and signal transmission of optical fiber sensors are completely without electricity. Its excellent insulation performance does not cause lightning strikes, and even if it is struck by lightning, the system can still work normally. By connecting through local area networks, internet networks, and MIS systems, it is possible to integrate power integrated systems, fire protection systems, and other integrated power intelligent monitoring systems into more powerful functions.

Introduction to Fiber Optic Temperature Measurement System

(1) Pūnaha inenga pāmahana whakaata

The fluorescence fiber optic temperature measurement system has unique technical advantages in measuring temperature in special environments such as high voltage and strong electromagnetic interference. The temperature hotspot of the fluorescent fiber optic temperature sensor used in the transmitter is not electrically connected to the measurement signal receiving part, which can work with high precision and stability for a long time, greatly improving its application range. I te wā kotahi, fiber optic temperature transmitters effectively eliminate the hidden dangers of high voltage circuit breakers or cable heads being used in excessively high temperature environments, which can shorten their lifespan and even burn out circuit breakers or cables, and are not conducive to the safe operation of switchgear. The transmitter has high accuracy and sensitivity, is resistant to high pressure and corrosion, can be remotely monitored, has a long service life, is small in size, makes instrument maintenance simple and convenient, and is safe to transport. Its internal modular integrated design is aesthetically pleasing and reasonable.

(2) Fiber Bragg Grating Temperature Monitoring Subsystem

It mainly consists of fiber optic grating temperature sensors, fiber optic grating wavelength analyzers, and transmission optical cables. Through the fiber optic grating wavelength analyzer, it is connected to oil immersed/dry-type transformers, switchgear, cable/bus joints, reactors, and fiber optic grating temperature sensors distributed in power generation/substations to form a star shaped mesh sensing network topology. Each fiber optic channel can connect 20-30 fiber optic grating temperature sensors, which is easy to install, maintain, and expand the system.

(3) DTS Fiber Distributed Temperature Monitoring Subsystem

The DTS fiber optic distributed temperature measurement subsystem mainly consists of DTS fiber optic distributed demodulator and fiber optic distributed temperature sensing optical cable, which can realize long-distance online temperature monitoring of high-voltage cable in cable trenches, vertical shafts, cable tunnels/interlayers.

Application scope of fiber optic temperature measurement system

High voltage/ultra-high voltage oil immersed transformer

Dry type transformer

Switchgear contacts and electrical contacts

Reactor wire package and electrical contacts

High voltage bus joint/high voltage cable joint

Generator stator bearings

High voltage cable/cable tunnel/cable interlayer

Characteristics of Fiber Optic Temperature Measurement System

1. Intrinsic safety: He haumaru tūturu te pūnaha, and the sensing network is completely without electricity. Its ability to withstand electromagnetic interference from guns, prevent lightning strikes, prevent corrosion, prevent explosion, and adapt to harsh environments is significantly better than temperature sensing optical cables and other electrical sensing measurement methods.

2. Real time monitoring: uninterrupted online monitoring/live monitoring, achieving true unmanned operation of the power system.

3. Intelligent Network: The star shaped mesh fiber optic sensing network has a large number of measurement points, allowing for both point based and distributed measurements; By connecting through local area networks, wide area networks, the Internet, and MIS systems, it is possible to integrate power integrated systems, fire protection systems, and other integrated power intelligent monitoring systems into more powerful functions.

4. Fast and accurate: Digital measurement ensures the measurement accuracy and repeatability of the system, while fast response speed can fully meet the requirements of temperature measurement accuracy and response time in the power system.

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