What is Transformer? How does it work?

 What is a transformer?

A transformer is a stationary electrical device that transfers electrical energy from one circuit to another without changing the frequency.

The above scene may not need to be re-introduced. If the scene isn't familiar, just know – this robot/car is called Bumblebee. He is a transformer. It has a very weak relationship with the electrical transformer. Check out the image above to see how Bumblebee transforms from a robot to a car. It is called a transformer because of this transformation. Transformer means changing from one state to another.

Electrical transformers also do switching work. But it changes the voltage and current. Its main function is to change high voltage to low voltage or low voltage to high voltage. Let me give an example. Generally, the voltage we use in our homes is 220 volts. But the electricity generated from the power plant has a voltage of 11000 volts or 33000 volts. A transformer is used to step down this voltage.

Transformers can be of different types for different applications. I did not go into its detailed discussion.

Transformers can also be of different sizes. As are the palm-mounted step-down transformers,

Also, there are transformers like below which are as big as houses.

But usually, we see down transformers on power poles on roads.

The transformer is an electrical machine which

Alternating current converts from one voltage to another voltage.

Transformers are of two types step up or step down and are magnetic induction

(Magnetic induction) works on the principle. A transformer has no moving/rotating parts, it is a completely stationary device.

A transformer has two windings. Namely:-

1. Primary and

2. Secondary winding.

Supplying voltage to the primary winding creates a magnetic field and magnetic flux passes through the iron core to the secondary winding.

And there the magnetic field is created. As a result of which voltage is available in the secondary coil. The rate of change of the voltage of the transformer depends on the rate of the five primary and secondary coils. But remember, the transformer only changes the voltage but the power and frequency remain unchanged. Power is constant so for a change in voltage the current also changes.

Source: Circuit globe

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