I、 What is the reason for transformer damage caused by lightning strikes?Direct lightning strike: When lightning strikes a transformer or nearby transmission line directly, it will generate a huge transient current, which instantly passes through the winding and iron core of the transformer, causin
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The impact closing test of a transformer does not necessarily have to be conducted from the high voltage side, which is related to the application scenario of the transformer. Generally, this test is conducted in conjunction with the operation of the transformer. Due to the fact that most of the tra
The whistling sound of a transformer is mainly due to the low-frequency oscillation contained in the excitation component of the transformer, which causes the magnetic molecules of the magnetic core to move under this low-frequency magnetic field, resulting in mechanical vibration and causing vibrat
Unit transformers are a common and very important electrical equipment. We often see a layer of pebbles placed at the bottom of the transformer. Why are these pebbles placed under the transformer?1、 Dry type transformer and wet type transformerDry type transformer is a type of transformer that does
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