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DC for Ev stations

lyledunn

I note some interest in developing DC charging infrastructure where the DC ultra-fast chargers have multiple spaces instead of the usual two. It appears that car parks can be completely populated with units fed from the DC output of the central source and then load managed as appropriate. This will mean substantial DC fixed wiring. 
dhttps://youtu.be/SX7FrWDGhUk

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  • 0

    And there’s me thinking some of these EV charging stations in service areas have dirty great big diesel gen sets in containers around the back.

  • 0 in reply to Sparkingchip
    Sparkingchip said:
    And there’s me thinking some of these EV charging stations in service areas have dirty great big diesel gen sets in containers around the back.

    Now I wouldn't joke ... but perhaps not in the UK [hopefully ... Neutral face]

  • 0 in reply to gkenyon

    Unfortunately it is more common than one would imagine, " out of site and out of mind" so packaged diesel genset away from the charging facilities powering the EVSE until the DNO/IDNO can provide the dedicated supply.

    Also it was known and a few newspapers run with the story that during C.O.P.26 last year, many of the V.I.P delegates stayed at the Gleneagles hotel in Perthshire and if you know the general area its quite remote and a overhead distribution network. Of course all these delegates travelling to the Conference venues had to be seen in EV's and not I.C.E vehicles, so a number of EV chargers were temporary installed at the hotel, issue was no spare capacity!! for the load, so yes you guessed it packaged gensets brought in, screened off to provide the power for the EVSE, 

    I wont ask the moral question if that was the right thing to do or not.......................

    GTB 

  • 0 in reply to GTB

    Well according to this fact checking piece it was biodiesel so not perhaps quite as bad as the fermented dinosaur the rest of us are burning..

    www.politifact.com/.../

    However it is amusing and does highlight a very real problem that the HV as well as LV infrastructure is not really man enough for an all electric vehicle fleet in all  parts of the country.

    I could foresee a lot of 11kV lines needing to be upped to 33kV to do this easily, or a lot of extra heavy cable needed.

    Mike.

    Perhaps COP could have been pedal powered

    https://www.agreenerfestival.com/wp-content/uploads/pdfs/Power_Behind_Festivals_Guide_2013_V1.2.pdf

    Or even for low levels of power - not vehicle charging I think...

    https://info.uwe.ac.uk/news/uwenews/news.aspx?id=3882

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