Friends, today in this article we will learn about transformer cooling . I am going to give information about all this in a very good way. So let’s start. Naturally cooled transformers- To cool a small transformer of around 20kVA, the core area is kept large so that it absorbs the heat generated. Apart from this, a … Read more
Friends, today in this article we will learn about distribution transformers, I am going to give information about all these in a very good way. So let’s start. Distribution Transformer Distribution – This type of distribution transformers are installed at substations. In distribution, 11000 volts and 66000 volts are stepped down to 440 volts and … Read more
Friends, today in this article we will learn about three phase transformers, I am going to give information about all these in a very good way. So let’s start. Three Phase Transformer – Three phases are used to produce electrical energy at a high level. A three phase transformer can produce 13.2kV or even more … Read more
Friends, today in this article we will learn about the difference between power and distribution transformer. I am going to give information about all these in a very good way. So let’s start. Distribution/Distributor Transformer – When transformers are used for distribution of electric power, they are called distribution transformers. Their capacity is up to … Read more
Friends, today in this article we will learn about the tap change of the transformer. I am going to give information about all this in a very good way. So let’s start. Tap change of transformer- When the voltage is sent to a long distance, there is a voltage drop in the conductors, due to … Read more
Friends, today in this article we will learn about single phase transformer. I am going to give information about all these in a very good way. So let’s start. Single Phase Transformer – This type of transformer has a primary coil and a secondary coil. By giving a single phase electric supply in the primary … Read more
Friends, today in this article we will learn about back-to-back test on transformer. I am going to give information about all these in a very good way. So let’s start. Back-to-back test on transformer – This test is done to measure the efficiency, regulation of the transformer as well as the temperature rise at full … Read more
Friends, today in this article we will learn about the principle of DC motor, I am going to give information about all these in a very good way. So let’s start. There is not much difference between a DC generator and a DC motor, that is, we can use a DC generator or motor in … Read more
Friends, today in this article we will learn about four point starter. I am going to give information about all these in a very good way. So let’s start. Four point starter – This starter is used for those shunt and compound motors where the speed of the motor has to be regulated by the … Read more
Friends, today in this article we will learn about the three point motor starter. I am going to give you information about all this in a very good way. So let’s start. Three point motor starter – The internal structure of the starter is as shown in the figure. It has three terminals, L for … Read more