Driving While Charging ?

Discussion in 'Prime Main Forum (2017-Current)' started by Rob43, Aug 27, 2019.

  1. Rob43

    Rob43 Senior Member

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    Here's the question:

    Could a Prime take a charge through the charging port while it's actually driving around as a mileage extender ?



    Rob43
     
  2. 2015BlizzardPriusFour

    2015BlizzardPriusFour Active Member

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    I doubt it. But there is the charge mode that uses the ICE to charge up to 70 or 80%. Just hold down you HV/EV button for a few seconds.


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  3. Rob43

    Rob43 Senior Member

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    Yep, fully aware of the 3 second button, I've used it many times.

    But that's not the question....



    Rob43
     
  4. 2015BlizzardPriusFour

    2015BlizzardPriusFour Active Member

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    Ok. So to answer your question. “I Doubt it”

    unless you are willing to crack into the computer and change many lines of coding put in place for safety. As I’m sure is done with most, if not all, EVs (Battery only or plug in hybrid) the car will not initiate a charge while running and will not show “ready” while plugged in charging. This is put in place to keep people from driving off while connected to EVSE, I’m sure. Kind of like some people drive off with the fuel nozzle still stuck in the filler.


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  5. Rob43

    Rob43 Senior Member

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    I should have stated this in post #1:

    This assumes the safety system of a "plugged in" SAE J1772 could be disabled.


    Rob43
     
  6. jb in NE

    jb in NE Senior Member

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    It already has a 4 cylinder range extender built in. What is the purpose or advantage of an external charge while driving?
     
    #6 jb in NE, Aug 27, 2019
    Last edited: Aug 27, 2019
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  7. schja01

    schja01 One of just a few in Chicagoland

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    That'll be one Loooooong Extension Cord.
     
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  8. Salamander_King

    Salamander_King Senior Member

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    Even if you could, which I fully doubt, would you want to drive a car with J1772 sticking out of the port and somehow connected to your external extender guessing either in the car or placed on a hitch or something outside of car. Being PHEV you already have gas engine as a range extender. I just don't see why you would want to do that???
     
  9. NSXT

    NSXT Member

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    Rob's extended version of solar panel (front of the car) and stick a custom J1772 to it :cool:
     
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  10. jerrymildred

    jerrymildred Senior Member

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    The short answer is "No."
    From page 132 of my 2017 manual:
    1. ■ Safety functions
      ●The hybrid system will not start while the charging cable is attached to the
      vehicle, even if the power switch is operated.

      ●If the charging cable is connected while the “READY” indicator is illuminated, the hybrid system will stop automatically and driving will not be possible.
     
    #10 jerrymildred, Aug 27, 2019
    Last edited: Aug 27, 2019
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  11. sam spade 2

    sam spade 2 Senior Member

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    But.....if you could put a LARGE solar panel on the top surfaces of the car, it could be connected some way that did NOT involve the standard charging port.

    There have been some experimental vehicles made like that.
    Solar panels are not efficient enough now to make it practical though.

    I think he asked the wrong question.
     
  12. bisco

    bisco cookie crumbler

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    anything is possible, everything is not viable
     
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  13. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    A large enough solar panel may help keep the 12 battery charged. That would lower the power needed for that task in the Inverter/Converter, giving some minor MPG improvement, and increasing 12 volt battery life.

    He is never going to get HV Battery kinda power.
     
  14. smyles

    smyles Member

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    Solar array on a trailer. Surprised Tesla isn't making one yet.
     
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  15. schja01

    schja01 One of just a few in Chicagoland

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    How about a wind turbine mounted on the roof?
    Car goes, turbine turns and powers car, car goes faster so turbine goes faster. Repeat
    Kind of like a perpetual motion machine.
     
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  16. fuzzy1

    fuzzy1 Senior Member

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    While moving at any useful highway speed, it will be difficult to get enough power from any PV trailer to cover even its own aerodynamic drag, let alone extend the range of the vehicle towing it.
     
  17. mr88cet

    mr88cet Senior Member

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    It won’t go into READY mode if it’s plugged in, so, no.
     
  18. m8547

    m8547 Active Member

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    Even if you could override the safety feature that keeps it from driving while plugged in, I don't think you could charge through the built-in charger. It's not designed to work with greatly varying voltage and current into and out of the battery. For example while you're accelerating or braking you might burn up the charger because it was not designed for that amount of power. It might be fine if it is inherently current limited, but to be safe you'd have to design your own charger. In that case there is no technical reason why it can't be done.
     
  19. Trollbait

    Trollbait It's a D&D thing

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    Which is what the factory solar roof does while the car is driven.
     
  20. m8547

    m8547 Active Member

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    Maybe a good application for a rotor sail. Rotor ship - Wikipedia

    The principle of operation is just obscure enough that it might work for perpetual motion.
     
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