Reducing Laminate Hum In Transformers

Transformers ingnore dc voltages. The transformer accepts ac from the line and converts 110v ac to a different ac voltage. The main reason for humming in transformer is magnetostriction which depends upon the stray magnetic field.

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Reducing laminate hum in transformers. Buzzing and humming noises are commonly heard from electrical transformers which can be seen in both industrial and residential areas. Bear in mind this is after the transformer. Transformer mounting methods transformer mounting methods play an important role in control and reduction of the audible sound coming from the unit. If your transformer has an audible hum not electronic it is probably a physical defect.

If you have dc coming through your ac line you should contact your local power company. Let s have a look at some facts about the transformer noise. The 60hz electrical current passing through it causes it to flex slightly and vibrate at that frequency a phenomenon scientists call magnetostriction a metal equipment case containing a transformer will act as a sounding. When a transformer core is magnetized it s dimension changes slightly with the magnetisation.

In this article we will discuss the cause of humming noise in transformer reduce procedure etc. The primary cause behind the noise is magnetostriction. Transformer noise is basically due to a phenomenon called magnetostriction. Ways to reduce transformer noise.

It s a fact of life that an electronic transformer will make a buzzing noise. The noise or sound in the transformer is known as humming. This can be accomplished with one or a combination of the following installation. The prime objective is to isolate the noise that is prevent its mechanical transmission to the supporting structure and connected raceway system.