Built-in EVSE

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jsantala

Well-known member
Joined
Sep 12, 2014
Messages
296
Location
Finland
I now have a built-in EVSE in the car. It's based on this product:

http://www.ev-power.eu/Electric-Cars/EVSE-kit-for-EV-charging-station.html

Missing two of the three switches and a bit messy on the inside, but the kit is assembled into this little box:

https://www.dropbox.com/s/33oa7raw0rmmri4/2015-10-09%2011.09.27.jpg?dl=0

LNG input wires were connected to before they go into the little case above the charger:

https://www.dropbox.com/s/jthued676yyba6e/2015-10-12%2009.56.22.jpg?dl=0

Pilot and Proximity signals were tapped into right behind the J1772 connector. Wires go thru the engine bay lid into the trunk.

Here you can see both the EVSE and a 0/800/1200W heater connected to mains outlet in the trunk:

https://www.dropbox.com/s/r1vmehan9digopa/2015-10-12%2014.08.00.jpg?dl=0

The EVSE has on/off switches for Pilot and Proximity. You can also select 6 or 10 A:

https://www.dropbox.com/s/duoclxdtixz8nft/2015-10-12%2013.52.07.jpg?dl=0

In a dire situation you could open the box and cut a wire to charge at 16 A, but I then I'd need to plug straight into a heavier extension cable. The inlet and especially it's cabling is not designed for 16 A continuous.

The vehicle seems quite conservative. In 6 A mode it draws closer to 5 A and in the 10 A setting more like 9 A. Interestingly, CaniOn seems to show about 0.5 kW too little for both settings. In 6 A it shows -0.5 kW where the actual power going into the pack is more like 1 kW. In 10 A it shows -1.5 kW, when in reality it's close to -1.9 kW. For comparison, the figures for full power are -2.5 kW shown and about -2.9 kW actual. The explanation for it is the inaccuracy of the power measurement in the vehicle at low amps.
 
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