Electrical Substation is most common word for an Electrical Engineer or Engineering Student. You will find all practical problem and solution for making and maintain an electrical substation in real life.

GIS – Gas Insulated Substations

Gas Insulated Substations 420kV
A gas-insulated substation (GIS) uses a superior dielectric gas, SF6, at moderate pressure for phase-to-phase and phase-to-ground insulation. The high voltage conductors, circuit breaker interrupters, switches, current transformers, and voltage transformers are in SF6 gas inside grounded metal enclosures. A ...