Advantages of Outdoor Substation
The outdoor substations have the following main advantages. These are
All the equipment in the outdoor substations is within view, and therefore fault location is easier.
The expansion of the installation is easier in the outdoor substations.
The time requires in the construction of such substations is lesser.
The smaller amount of building material like steel, concrete is required.
The construction work required is comparatively less, and the cost of the switchgear installation is also very low.
Repairing work is easy, and proper space is provided between the apparatus so that the fault occur at one point will not be carried over to another point.
Disadvantages of Outdoor Substation
More space is required for the outdoor substations.
Protection devices are required to be installed for the protection against lightning surges.
The length of the control cables increases which increase the cost of the substation.
Equipment designed for outdoor substation are more costly because outdoor door substation equipment required additional protection from the dirt and dust.
In spite of the disadvantage, outdoor substations are very widely used in the power system.
