Wednesday, 4 May 2016

Does Transformer Hum Make You Nervous

Where Does the Sound Come From? Noise is caused by magnetostricition (changes in shape) of the core laminations while the transformer is energized. Transformers emit a low-frequency, tonal noise that people living in their vicinity experience as an irritating “hum” and can hear even against a noisy background. The electrical power industry produces a range […]

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