Scientists at Chuvash State University (ChSU) named after I. N. Ulyanov have developed and tested a new class of diagnostic devices for power transformers designed to operate in extreme conditions. The equipment makes it possible to obtain data on the condition of transformers without interference from electromagnetic noise.
The tests were carried out on an operating installation in the Moskovsky District of Cheboksary. Fiber-optic sensors record temperature parameters, acoustic and vibration characteristics of the equipment, providing comprehensive monitoring without the distortions typical of a high-voltage environment.
Traditional diagnostic methods are hampered by limited access to the internal elements of transformers, the need to suspend equipment operation, and the impact of electromagnetic interference. The new approach makes it possible to take measurements under operating voltage, reduces the risks of process disruptions, and lowers the cost of diagnosing oil-filled equipment.
At ChSU, it is noted that integrating fiber-optic sensors into power systems opens up the possibility of predictive analysis of equipment aging and the detection of emergency modes in a fundamentally new way not previously used in the industry. According to specialists, the widespread implementation of the development could become an important step in import substitution of high-tech solutions for critical energy infrastructure.
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