EV Charger 8 - 32 amp Level two Chargers

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Fordean

Senior Member
Location
New Jersey
Occupation
Electrical Contractor
Trying to double check my numbers on a Transformer install.

Have 8 Level 2 Chargers. Going to Dial in at 32 amps. What size transformer would be recommended. I did the numbers I might be over the limit on a 75KVA

480 / 120-208v Transformer 75KVA
 
Worst phase legs will have 3 chargers so calculate the load based on 3 chargers on all. 3 x 32 x 208 = 20 kVA on each phase, so 20 x 3 = 60kVA. You're good with a 75 kVA.
 
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