what are difference between indoor and out door substation



what are difference between indoor and out door substation..

Answer / jithendra

Indoor SS

Equipment's are accommodated in the panels

Resin-cast CT's & PT's & VCB indoor type are used

Outdoor SS
Equipment's are accommodated on the ISMC Structures

Oil-cooled CT's & PT's & VCB Outdoor type are used


INDOOR SS IS POSSIBLE ONLY UPTO 33KV Only.

economically & Area availability we can choose the INDOOR or OUTDOOR

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