electrictaco
Well-Known Member
The AC to DC power conversion in most DC Fast chargers is air cooled and within the dispenser. I'm not sure about Tesla, but they could have liquid cooled power modules (similar to ChargePoint CPE250) and I think their power conversion is in a separate power cabinet farther away. These EA dispensers are pretty loud because of the air cooled power modules are in the dispenser itself. Liquid cooling pumps for the cables aren't that loud, but they are quite unreliable.Any clue why it makes noise at all? Does it have all of the electronics in the access point?
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