Space Required for Transformer and Substation Room

Minimum Clearance Around Transformer As per IS Code

• In this theory, minimum clearance around transformer as per Indian Standard Code for different rating transformer is given. 
• Transformer room area and substation room area for medium voltage, high voltage panel without generator as per Indian Standard Code is given below.

 

Capacity of Transformer         ( kVA )	Minimum Transformer Room Area,         ( meter2 )	Minimum Substation Area, ( meter2 )	Minimum Face width ( meter )
1 × 160	14.0	90	9.0
2 × 160	28.0	118	13.5
1 × 250	15.0	91	9.0
2 × 250	30.0	121	13.5
1 × 400	16.5	93	9.0
2 × 400	33.0	125	13.5
3 × 400	49.5	167	18.0
2 × 500	36.0	130	14.5
3 × 500	54.0	172	19.0
2 × 630	36.0	132	14.5
3 × 630	54.0	176	19.0
2 × 800	39.0	135	14.5
3 × 800	58.0	181	14.0
2 × 1000	39.0	149	14.5
3 × 1000	58.0	197	19.0

 

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