Public Charging MGS5

[TimothyN]

I thought it was changed to 230v to harmonise with the EU, which was raised from 220 to 230?

 

[Everest]

I thought it was changed to 230v to harmonise with the EU, which was raised from 220 to 230?

LOL... only on paper; most of the UK grid still runs around 240V. They just increased the tolerances. Our old specification of 240V +/- 6% (so 226V to 254V) was changed in 1995 for EU harmonisation to be nominally 230V +10% / -6% (so 216V to 253V).

In practice no changes were made to the grid infrastructure.

 

[Chris H]

Chargers will charge at a specific current. And, from Watts law, we know that P = V x I (power = volts x amps). So variations of power delivered via an EVSE will be a linearly related to grid voltage, which itself could be as low as 216V and as high as 253V, though more commonly around 240V in the UK.

I have a 100A fuse but the charger has a limit of 31.8A according to Zappi. Nominal voltage is 230V so that makes around 7.3kW

 

[Everest]

32A is the limit for single phase AC charging.

 

[Nicko]

It is not your supply which determines the rate the car will charge. It is the car which determines what load it is pulling from the mains. The car will only pull approx. 6.5kW