An Introduction To Transformers

Have you ever thought of, what is a box type device installed in almost every house hold appliances? Well, that is a transformer used to couple electric energy from one circuit to another with the use of inductively coupled capacitors. Common areas where transformers are used can be like TV, ceiling fans and your electric motor that is used to fill up the overhead tank.

Transformers are basically based on mutual inductance. These consists of two windings, one known as primary and the other one is known as secondary winding and these windings are made up of conductor coils. When a current in the primary winding varies, it produces varying magnetic field in the transformer core. This in turn produces varying current in the secondary coil. This phenomenon is known as mutual inductance.

Transformers are an inseparable part of electricity and thus offers an extensive range of applications. Before the electrical energy is distributed to houses, companies, markets and other places, it is first converted into usable form using transformers.

While, the electricity that is used in residential areas is stepped down using a step down transformer, step up transformers are used in big companies and firms where a power is needed.

Electronic products and even the digitally operated equipments use transformers. Your common telephone sets also consists of transformers in order to carry out a two conversation on a single cable. Moreover, microphones and record players also use transformers for a better functioning.

Signal and audio transformers find applications to couple the stages of amplifiers in devices such as microphones and record players.

The transformers form an essential part of any electronic circuitry. And the best part is, it consists of relatively inexpensive parts, therefore the overall cost of the device is comparatively very low. Auto transformers that are used in many applications consists of only single winding which further reduces the cost of the devices and the appliance in turn.

The device offers faster switching time and lower cross- over losses and have very high efficiency. These are able to deliver high- quality power effectively.

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