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Research tagged "transformer noise"

Power Transformer Noise—Prediction and Control

Power transformers located in outdoor substations can be a significant source of environmental noise disturbance, especially during nighttime hours.  The dominant characteristic of transformer noise is the low frequency  “hum” generated within the magnetic core as a result of the magnetostrictive properties of the core steel.  The core-generated noise consists of the harmonics of the […]...
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