What is a transformer? By definition, a transformer is a static electrical device that transforms electric energy from one level to another level. Normally transformers are used to step up…
Safety is the primary element of any circuit or electrical connection. Whether it is electric iron or refrigerator or any other home appliances, everywhere safety has to be ensured to…
This article focus on explaining the similarities and dissimilarities between neutral and earth (ground). Understanding the difference between the neutral and earth may be difficult in the beginning. A Lot…
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…
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…
An Ammeter is a device used to measure the current flow through a conductor. The name is derived from the unit of current, Ampere. An ammeter is either connected in…
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 requirement…
In an AC power system, the power factor is a very important parameter that defines how efficiently electrical power is being utilized by the load. It is a rational number…
Miniature circuit breakers commonly known as MCB, are mechanically operated switches cum circuit protection devices. It is an electro-mechanically operated automatic circuit protection devices. An MCB is used to interrupt…
Introduction Circuit breakers are safety devices, which ensures the safety of equipment and personnel from electric shocks and damages. They are self-acting and should safely interrupt the current flow on…