Difference between neutral and earth / ground

This article focus on explaining the similarities and dissimilarities between neutral and earth (ground). Understanding the difference between neutral and earth may be difficult in the beginning. A Lot of safety and protection-related aspects need to be carefully studied for a better understanding of the difference between them. Note: For this article, let us consider … Read more

Difference between over-current and overload

Over-current and overload are abnormal conditions occurring in a circuit. This article well explains the difference between over-current and overload. Difference between over-current and overload Over-current Any situation in which the current flow through a device or conductor exceeds the desired value is known as over current. Both overload and short circuit can cause excessive … Read more

Difference between Short circuit and overload

Short Circuit A short circuit occurs when two or more current-carrying conductors of different phases or different voltage levels or different terminal (in DC circuits) come in contact with each other or with the ground. It is an abnormal condition during which current shoots up several times the permissible limits. Read about short circuits in … Read more

Why ammeter is connected in series?

An Ammeter is a device used to measure the current flow through a conductor. The name is derived from the unit of current, Ampere. This article explains why is ammeter connected in series but not in parallel. An ammeter is either connected in series to the line along which the flow of current is measured … Read more

Commissioning procedure for VFD (Variable Frequency Drive)

Commissioning of variable speed drive is the process of checking, inspecting, testing, and configuring the equipment at the project site so that it shall fulfill the technical and functional requirements of the customer. This makes the equipment ready for safe operation. This article explains the Commissioning procedure for VFD. Why is commissioning of variable frequency … Read more