2020
DOI: 10.1177/0957456520948276
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Experimental study of vibration characteristics of 110 kV oil-immersed transformer

Abstract: As the voltage level and capacity of power transformer continue to rise, this results in its increasingly prominent vibration and noise problems. In this article, we study the vibration characteristics of the 110-kV oil-immersed transformer by means of experiments. Under different no-load voltages and short-circuit currents, the vibration signals in different positions and directions of the transformer are monitored respectively, and the vibration laws are analyzed. First, the vibration law of transformers is … Show more

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Cited by 3 publications
(2 citation statements)
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“…To achieve the least core magnetostriction, we are now optimizing the number of coil turns and the core's cross-sectional size [11,12]. Assuming that Kawasaki is selected by the silicon steel sheet producer and that the brand is 20JNEH1500, is shown in Fig.…”
Section: Confirmation Of Experimental Parametersmentioning
confidence: 99%
“…To achieve the least core magnetostriction, we are now optimizing the number of coil turns and the core's cross-sectional size [11,12]. Assuming that Kawasaki is selected by the silicon steel sheet producer and that the brand is 20JNEH1500, is shown in Fig.…”
Section: Confirmation Of Experimental Parametersmentioning
confidence: 99%
“…Voice print detection system 2.2 Dual microphone array design2.2.1. Near-field and far-field environment modelsDepending on the distance from the microphone array to the point source relative to the size of the array aperture, different sound field models can be constructed[9,10] . According to whether the time delay caused by the incident Angle of the same source can be ignored, it can be divided into far field and near field.…”
mentioning
confidence: 99%