What is step down transformer where it is used?

Applications of Step Down Transformer It is used in the main adapters and chargers for cell phones, CD players and stereos. It can be used to step down the voltage level in transmission line. In welding machines it is used in reducing voltage and increasing current.

Why do we use a step down transformer?

The higher the current, the more heat is lost. To reduce these losses, the National Grid transmits electricity at a low current. This needs a high voltage. These high voltages are too dangerous to use in the home, so step-down transformers are used locally to reduce the voltage to safe levels.

What is an example of where you use a step up transformer?

Applications of the Step-up transformer It is used to distribute electrical energy. This transformer is used to change the high voltage in power transmission lines generated by generators. This transformer is also used to make electric motors running, X-ray machines, microwave ovens, etc.

How does a step down work?

The concept of a step-down transformer is actually quite simple. The transfer has more turns of wire on the primary coil as compared to the turns on the secondary coil. This reduces the induced voltage running through the secondary coil, which ultimately reduces the output voltage.

When would a step up transformer be used?

Applications – Step-up transformer is used in transmission lines for transforming the high voltage produced by the alternator. The power loss of the transmission line is directly proportional to the square of the current flows through it.

What are step up and step down transformers Shaalaa?

Solution

Step up transformer	Step down transformer
It increases the a.c. voltage and decrease the current.	It decreases the a.c. voltage and increase the current.
The wire of primary coil is thicker than that in the secondary coil.	The wire in the secondary coil is thicker than that in the primary coil.

What is transformer explain step-up and step-down transformer?

A transformer that increases the voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a step-up transformer. Conversely, a transformer designed to do just the opposite is called a step-down transformer.

What is the function of a step down transformer?

It is designed to reduce the voltage from the primary winding to the secondary winding. This kind of transformer “steps down” the voltage applied to it. As a step-down unit, the transformer converts high-voltage, low-current power into low-voltage, high-current power.

What is step up transformer in power plant?

The voltage from the Power Plant or Generation Station is around 20kV. In order to transmit this voltage over long distances, it is stepped up to 440kV using a Step up Transformer. This voltage with increased levels is then transmitted to a distribution station.

What is a transformer and how does it work?

Transformers are able to work in two regimes, as voltage step-up and voltage step-down transformers. The step-up transformers are described in our previous page. A step-down transformer converts the high voltage (HV) and low current from the primary side to the low voltage (LV) and high current value on the secondary side.

What are the applications of LV transformer?

The first LV application refers to the transformers in electronic devices. Supplying the electronic circuits requires a low voltage value (e.g. 5V, even lower values nowadays). A step-down transformer is used to provide this low voltage value which is suitable for electronics supplying.