Power Transformer Marshaling Box | WTI & OTI Explained Watch the Marshaling Box of a Power Transformer with WTI & OTI, monitoring winding & oil temperature for safe operatio #PowerTransformer #MarshalingBox #WTI #OTI #ElectricalEngineering #Substation #TransformerSafety #ElectricalTech #EngineeringShorts | Er Muhammad Miyaji

Ever wonder why power grids hum at night? That mysterious low buzz you hear near transformers isn't random. It's magnetostriction in action. As AC current cycles 50 to 60 times per second, the transformer's core material literally vibrates, creating that haunting sound. At night, when everything's quieter, this electrical symphony becomes impossible to ignore. Engineers work tirelessly with better materials and insulation to minimize it, but they can never fully silence it. That faint buzz you'r

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