Md Nazmul Islam

Do you know the importance of Electrician Life Insurance? Being an electrician is riskier than other professions. So life insurance for electricians is very important. An electrician's job is to maintain and install electrical power systems on various premises. A major requirement of being an electrician is to ensure that...

Today we are going to discuss professional indemnity insurance for electricians for various purposes. As working with electricity is extremely dangerous, and it can lead to mistakes. It's not impossible for small mistakes to cost millions about electronics.  Different people have different doctrines in this regard. What does reality actually...

Once a motor is fetched in the power industry. So, it is to be connected with the terminal box. The Junior engineer is asked to choose a suitable cable for this. Before choosing a suitable cable for this motor the engineer should know whether it is a single-phase or...

Do you know about the magnifying transmitter of Nikola Tesla? If not, do you want to? Nikola Tesla and his inventions have always been very intriguing. So, let’s dive into the topic. "Could artificial telluric currents of a resonant frequency cause an earthquake? Could Tesla have been the first man...

You must have heard of commissioning. Especially who work in substations, commissioning is not a new term for them. Recently I met with a friend who works in a 230/132 kV substation. So I got to know something from him about the Electrical substation commissioning procedure. Today I will...

Summer days are so hot. We turn on the fan for some relief. The Electricity must be coming from a substation. But have we thought that, how near a substation should be? How much should be the distance from the residential area? Today we will discuss Electrical substation safety...

We have heard a lot that,  people below 50 kg can't enter a substation. Some has given some funny explanation about this. Some said that the magnetic field made by high voltage attracts people with weights below 50 kg. But this is not the right reason. Today we will...

Suppose your boss gave you a task of electrical cable selection (measuring cable size) of the LT side or low voltage side of the substation. What will you do? We can do the cable selection for our home but it is difficult for the substation. Today we will discuss...

We all know that substation is all about AC current. But why do we need DC voltage in the substation? After some research, we have found an answer which we will share today with you. Today we will discuss why is DC supply used in substations? Why do we need...

A busbar is a kind of copper or aluminum conductor rod, which collects Electricity from one or more circuit and distributes it. Today we will discuss the busbar size calculation chart pdf. Busbar Calculation Busbar calculation/selection is done in two ways: Directly based on current value andBased on transformer rating Busbar Size Calculation...

There are some calculations for selecting circuit breakers for LT and HT sides. Today we will discuss cable size and circuit breaker selection and also the circuit breaker rating chart. There is no need for any calculation for the HT section circuit breaker and it is very easy to calculate....

A single line diagram is very important in a power system. We can easily visualize or describe the three-phase power system in a single-line diagram. Today we will discuss the substation three-phase single-line diagram explanation. Instead of three wires for a three-phase line, one wire is used for describing the...