Compare between indoor substation and outdoor substation

Indoor substation Outdoor substation
Less because all the components are insulated.therefore clearance required between them is less. More as some components such as bus bar, O.H. line are not insulated hence clearance between them is more.
More because additional building construction is required. Less because no building construction is required
Difficult due to less space available. Easy due to more space is available.
Difficult because all the equipment are enclosed. Easy because all the equipment are in full view.
More due to building construction. also the specially designed equipment are required as they are installed indoor. Less because no building construction is required. also there is no need of specially designed equipment.
Difficult as space between equipment is less. Easy as space between equipment is more.

 

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