Abstract
The authors have developed a laser control and measuring complex (LCMC) for contactless vibration control of the technical condition of a power transformer. This LCMC allows you to monitor the technical condition of the magnetic circuit and power transformer windings. It is necessary to control the condition of the windings and the magnetic circuit due to the possibility of their damage during the operation of the transformer. A laser vibrometer is used as a measuring element in the developed LCMC. The laser vibrometer allows you to measure the vibration velocity of the transformer contactlessly at a distance of up to 30 m. After measurement, the signal, the analog signal from the laser vibrometer enters the analog-to-digital converter, where it becomes a digital signal. The tool for processing vibration signals in the developed LCMC is the LabVIEW software environment. After processing the signal, the technical condition of the power transformer is assessed according to the amplitude spectra of vibration of the tank of the transformer under study. The amplitude spectrum is generated using the Fast Fourier Transform procedure in the LabVIEW software environment.
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