Md Nazmul Islam

Have you ever thought, when a low voltage is supplied to fan or motor, what happens and why? Many people say that no motor or fan should be run at low voltage. Let us learn what actually happens. In fact, a fan and one type of motor fan are usually...

Have you ever wondered about the effect of earthing in electricity bill? How does Earthing affect the electricity bill? In fact, the effect of earthing in electricity bill can very easily be understood using some real-life based examples. Now, the word earthing is a very familiar word in our...

Why ammeter connected in series and voltmeter connected in parallel? Has this question ever crossed your mind? Furthermore, if you are an electrical engineering student, then surely this is something that might entice you. Here, in order to know why ammeter connected in series and voltmeter connected in parallel, we...

Why are the electric power transmission distribution voltage of only 11KV, 33KV, 66KV, and 132KV? Just why are they multiples of 11? Why not 10, 30, 60, 120? Let's find the explanation. Many say the idea is that the form factor is 1.11, the voltage pattern is like that. 10 ×...

Have you ever considered understanding, why are U type jumpers provided in an overhead transmission line? What is the jumper line? What do you mean by it? Here, the conductor hanging in the U-shape on the transmission line above is the jumper line. Now, what is the function of this...

Why Neutral of the Transformer is Earthed? What do you mean by it? Let us learn in-depth about it. What actually do the terms, neutral of the transformer being earthed mean? Below, you will find an in-depth analysis of this topic. Notice the image below. This sign of the earthing...

Before starting it off with your career, having ohm law and career goal of yours in mind is a must. Career is a very important chapter in human life. The battle to build a career begins as soon as the student life is over. Success in this war requires...

If you are an Electric Engineering student, then you might have encountered suspicion regarding the earthing cable size calculation. It is a very easy process indeed. The word earthing is a very familiar word in our electrical field. For instance, we all know that when a device suffers from...

Why does induction motor/fan draw heavy current at starting? We know it as Inrush Current / Surge Current. But now the question is why? Before giving the answer, let me give you a nice example. Suppose, it's morning. It is raining heavily outside. It's time to go to the office....

What is Electrical Substation? Electrical Substation is a very well known word in the electrical world. Many of us are aware of substations. Maybe we've read a book or seen it in real life. Today, I will introduce you to the members of the whole substation family in a...

Today's article is about the top unknown facts about transmission line. The transmission and distribution course is very interesting. The more you know, the more you want to know here. Actually, there is a lot to know about this transmission line. It is really eye-catching to see the transmission...

What is instrument transformer? Many of us think of transformers as voltage ups and downs by keeping only the power fixed. But, what actually is an instrument transformer? In fact, the transformer can not only increase or decrease the voltage but also measure the current and voltage. Again, those transformers...