The most appropriate type of substation depends on such factors as voltage level, load capacity, environmental considerations, site space limitations, and transmission line right of way requirements. The design criteria …
The rating of circuit breaker is given according to the duties that are performed by it. For complete specifications, standard rating and various tests of switches and circuit breakers IS …
A lightning arrester is connected to protect a piece of equipment from lightning and switching surges. Overvoltages may cause the burning of insulation of substation equipment if not well protected. …
Transformer Oil Filtration Plant is a self-contained unit to upgrade the quantity of oil. The duty cycle begins from pumping the dirty oil from the equipment (or container) to a …
What is Transformer Oil? Transformer oil is mineral insulating oil derived from crude petroleum. It is a mixture of various hydrocarbons. It consists partly aliphatic compounds (open chain compounds) with …
Air blast circuit breaker employs a high-pressure air blast as an arc quenching medium. The construction and working of different types of air blast circuit breakers are explained in this …
The operating principle and arc forming phenomenon were explained in the previous article. Now it is very important to extinct the arc to avoid the serious dangers. As long …
The substation earthing system comprises of a grid (earth mat) formed by a horizontal buried conductors. Read about design of substation earthing system here. The grounding system in substation is very …
The power transformer and distribution transformer are an important part of an electrical power distribution network. They are classified based on some of their characteristics. A power transformer is used …
