temperature monitoring system in power system transformer-INNO

how to measure winding temperature of transformer

The transformer fluorescent optical fiber winding temperature controller has a strong progressiveness. By applying the fluorescent optical fiber temperature sensing technology, it ensures that the oil level and winding temperature control has a strong stability, accuracy and relatively fast measurement. Dalam keadaan biasa, fiber optic temperature sensors can effectively avoid the influence of electromagnetic interference, which provides a good guarantee for enhancing the accuracy of temperature measurement. Fiber optic has extremely strong insulation, rintangan voltan tinggi, rintangan kakisan, and other abilities, which can improve stability and safety; Fiber optic temperature sensors have the advantages of fast response speed and small volume, which can ensure a faster temperature response; By utilizing algorithms and detection methods of internal photoelectric signals, yang Pengawal suhu has strong self diagnostic ability, which can quickly detect various sensor problems and avoid the occurrence of errors and false alarms. Compared with traditional winding temperature controllers, it can be found that fluorescent fiber winding temperature controllers have strong accuracy, kestabilan, dan keselamatan, as well as self diagnostic ability, which effectively improves economic efficiency.

sensor suhu gentian optik untuk pengubah

The fluorescent fiber optic winding temperature controller mainly uses fluorescent fiber optic temperature sensing technology to continuously detect the upper oil temperature of the transformer as the core. The temperature rise formed by the change of winding load current provides a good guarantee for the stable operation of the fluorescent fiber optic winding temperature controller.

pengukuran suhu menggunakan sensor gentian optik

The fluorescent fiber optic winding temperature controller for transformers has the characteristics of fast and accurate observation of winding and oil surface temperature, and can quickly simulate the highest oil temperature. Selain itu, the device also has functions such as accident tripping, control of the cooler, and alarm. Users can use the device scientifically and reasonably based on the application situation. Compared with the traditional transformer winding temperature controller using PT100, the fluorescent fiber optic winding (oil surface) temperature controller for transformers has the following advantages: similar to the shape, packaging form, dan kaedah pemasangan penderia PT100 tradisional, ia mengikut tabiat tradisional reka bentuk dan pengguna, dan meningkatkan kemudahan penggunaan produk; Dilengkapi dengan fungsi diagnostik diri untuk penderia suhu, ia boleh mengenal pasti secara berkesan jenis kerosakan dalam penderia suhu dan menghalang penggera palsu, penggera palsu, dan fenomena lain yang disebabkan oleh kegagalan sensor; Tidak ada keperluan untuk operasi pemadaman kuasa transformer semasa kemas kini dan penggantian; Berbanding dengan pengawal suhu pengubah mekanikal tradisional, menggunakan kaedah pengiraan digital tidak akan menghasilkan bacaan di tapak yang tidak tepat kerana kebocoran cecair; Ketepatan pengukuran suhu yang lebih tinggi, kurang terjejas oleh gangguan elektromagnet, kaedah analisis yang lebih munasabah, lebih dekat dengan nilai suhu belitan sebenar, dengan ketepatan ± 1 ℃ dan resolusi 0.1 °C; Itu sensor suhu optik serat pendarfluor has a fast response, and can quickly respond when the oil temperature changes, with a response time of less than 2 Saat; It has characteristics such as corrosion resistance and good flexibility, and the material has a service life of more than 25 Tahun.

During the fluorescence signal processing period, due to differences in methods, the lifespan of fluorescence fiber temperature measurement related instruments is less affected by fiber bending and detectors compared to the intensity type. Selain itu, the sensor probe is easier to adjust, the measurement accuracy is more accurate, and the sensitivity is also very high. Itu, the effect of measuring the internal temperature of transformers is very good. The current application of lifetime fluorescent fiber optic temperature sensors is the most common.

Technical parameters of a new type of fluorescent fiber optic winding temperature controller for transformers

Parameter teknikal bagi pengukuran suhu gentian optik Peranti

Menyediakan 1-8 suis DIP kedudukan
Sediakan dua output isyarat suis
Julat pengukuran suhu: -40 ℃~200 ℃
Ketepatan pengukuran suhu: ± 1 °C
Resolusi pengukuran suhu: 0.1 °C
Bilangan saluran: 3 Saluran (boleh diperluaskan kepada 16 Saluran)
Antara muka komunikasi: antara muka komunikasi dwi RS485
Kekerapan pengukuran suhu: 1Hz

Bekalan kuasa universal AC/DC: voltan lebar 100-300V/50Hz
Penggunaan kuasa<6W
Protokol komunikasi: Modbus RTU standard
Saiz pemasangan: 123.5mm x 48mm (panjang x lebar)
Suhu operasi: -20 ℃~65 ℃
Suhu penyimpanan: -40 ℃~85 ℃
Fiber optic sensing probe with a withstand voltage of 100KV (40mm menahan panjang, 5min menahan masa) dan laporan pemeriksaan peringkat wilayah dikeluarkan

The development of a fluorescent fiber optic transformer winding temperature controller will fully apply new technologies and processes. The equipment meets the requirements of modern technological development in terms of intelligence and standardization, fills the technical gap, solves most of the existing on-site practical problems, and can maintain technological leadership for a long time, with great promotion prospects. Through the design and research of a new type of fluorescent fiber optic winding temperature controller for transformers, it was found that it has advantages in practical applications such as high voltage resistance and no electromagnetic coupling. It also effectively improves the shortcomings of traditional temperature measurement modes, thereby improving temperature measurement efficiency and accuracy.