Chinese firm designs 500 kV underground substation

Huntsville, Ala., August 9, 2010 — East China Electric Power Design Institute has designed the world’s largest underground substation.

ECEPDI is a longtime Intergraph customer having signed a Strategic Alliance Agreement for SmartPlant Enterprise solutions.

Using SmartPlant 3D for design, the Shanghai Jing An substation is a fully-underground, cylindrical body 500 kV substation.

The cylinder diameter is 130 meters; the overall depth is 33.5 meters, while the underground construction area is 57,100 cubic meters with a ground floor area of 1,590 square meters.

China invested $215 million in the development of this substation.

The substation sits on three groups of 500 kV main transformers (capacity of 1.5 million KVA each) and three 200 kV transformers (capacity of 300,000 KVA each). It supplies power to major parts of Shanghai city and will continue servicing the Shanghai power grid.

 

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