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Thread: Electric Vehicles - Air Con

  1. 24th November 2019, 08:22 PM #1
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    Electric Vehicles - Air Con

    Would I be right that a 12v compressor would run the system?

    Is there is off the shelf similar
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  2. 24th November 2019, 08:31 PM #2
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    Yep, they are fairly readily available - they draw a **** load of current.

    Plenty out there like this - StreetFX Motorsport and Graphics – RENCOOL MD18 12v OR 24v Electric Air Conditioning Compressor For Automotive/Race or Construction equipment – As used in WTF-86
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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  3. 24th November 2019, 08:37 PM #3
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    You can get a 12v ac compressor.

    Tesla run heater matrix and AC comp directly off high voltage battery pack. As high as 400v

    What's the application?
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  4. 24th November 2019, 10:54 PM #4
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    Quote Originally Posted by Homestar View Post
    Yep, they are fairly readily available - they draw a **** load of current.

    Plenty out there like this - StreetFX Motorsport and Graphics – RENCOOL MD18 12v OR 24v Electric Air Conditioning Compressor For Automotive/Race or Construction equipment – As used in WTF-86
    Don’t they just!

    Certainly wouldn’t want to leave it running the vehicle off.
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  5. 24th November 2019, 11:28 PM #5
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    Quote Originally Posted by Tombie View Post
    Don’t they just!

    Certainly wouldn’t want to leave it running the vehicle off.
    Depends on the set up. You can sleep in the back of a Tesla and have the AC running all night. Uses up a few measly percent Electric Vehicles - Air Con
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  6. 25th November 2019, 12:20 AM #6
    BradC
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    Quote Originally Posted by manic View Post
    Depends on the set up. You can sleep in the back of a Tesla and have the AC running all night. Uses up a few measly percent Electric Vehicles - Air Con
    As it would at night when the heat load is a couple of hundred watts and you are sleeping on a 60KWh battery.

    Frankly at 400V and 60KWh a Tesla battery would power my House ducted A/C for close to 3 days (72 hrs) in the heat of summer. I could hook it straight up to the PFC rectified bus and just switch it on. I'd have a bugger of a time driving the house anywhere though.

    BLDC compressors are the future as the cornerstone of a fully hermetic automotive system with no potential for leaks. That's a relatively long way off however.
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  7. 25th November 2019, 06:12 AM #7
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    Quote Originally Posted by BradC View Post

    BLDC compressors are the future as the cornerstone of a fully hermetic automotive system with no potential for leaks. That's a relatively long way off however.
    Full hermetic systems have been around for years,and yes they can all leak refrigerant,no matter how well they are built......
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  8. 25th November 2019, 08:40 AM #8
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    EV don't use the 12V supply for AirCon, The 12V battery is minuscule and is used for lights / contactors etc , if the 12V battery goes flat the EV is dead.

    How does air conditioning work in an electric car? | AutoGuru
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  9. 25th November 2019, 08:45 AM #9
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    Here we go, even got a picture of a Defender in the ad

    320V lithium battery vehicle compressor
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  10. 25th November 2019, 09:01 AM #10
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    Dometic do 12V and 24V fully configured AC units for the cab
    Their 12V unit eats 40A on min setting

    Dometic's truck air conditioner adds a new 12-volt version | Dometic

    On my old 130Tdi I had considered plonking one of these in the roof
    No different to normal AC you’d just set it so it can only operate with engine running
    Much easier to run a couple of cables than the plumbing and wiring of a bet driven compressor.

    S
    '95 130 dual cab fender (gone to a better universe)
    '10 130 dual cab fender (getting to know it's neurons)
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