What appliances will work with standard inverter?

Discussion in 'Trucking Electronics, Gadgets and Software Forum' started by bigtire, Nov 10, 2012.

  1. bigtire

    bigtire Light Load Member

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    I just purchased a truck with thermo king tripac, that comes with 1800W inverter, on the box – it says Thermo King / Ingersoll Rand, but looks exactly like the Xantrex models, so I am assuming is made by Xantrex.

    I start testing some appliances:
    - My wife’s hair drier 1600W – works perfect.
    - Counter top cooker 1500W – works perfect.
    - Toaster 900W – works perfect
    - Counter top induction cooker 1600W – doesn’t work
    - Fully automatic espresso machine 1250W – doesn’t work

    I assume that appliances with more complex electronics will not work with the standard inverter; they need pure sine wave inverter, which will cost around $1000 for 2000W.
     
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  3. snowwy

    snowwy Road Train Member

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    invertors have a peak wattage.

    all devices have a peak wattage that they pull to get them jump started. your counter top probably exceeds that peak wattage

    in other words.

    the blow drier. 1600 watts. but the second you flick that switch. it probably pulls 3000 watts for a very brief second before it drops down to 1600.

    everything needs a jump start to make them run. and that jump start always exceeds the normally running wattage.

    your inverter probbably has a peak of 3600 watts. but runs continous 1800 watts. look at the lable on your invertor and the lables on your devices.
     
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  4. bigtire

    bigtire Light Load Member

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    It is not the peak wattage, before trying on the truck – I measured them in my house with device that gives you the real power the appliance using. The counter top induction cooker was giving me 1550 W and was rated 1600W. The induction cooker works like electric motor and probably has some electronics inside that doesn’t like the inverter.
    The espresso machine is only 1250W and I tested in my house – was going from 250W to 1150W max, but the machine has some electric motors and vibration pump for the water and some of the components doesn’t agree with the inverter…..
     
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  5. bigtire

    bigtire Light Load Member

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    ...the inverter is 1800W Continuous Power and 3600W peak. The espresso machine turns on and I can hear the motor running but in a very slow motion....something is wrong with the quality of the power.
     
    Last edited: Nov 10, 2012
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  6. BossOutlaw88

    BossOutlaw88 Road Train Member

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    You might want to go get it serviced at a shop. The APU csn power any household appliance when in good condition. The previous driver probably knew the APU was going out and sold you a lemon. Unfortunately the repair costs can be steep.
     
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  7. bigtire

    bigtire Light Load Member

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    I have checked with Thermo king, this is a MODIFIED SINE inverter made by Xantrex for Thermo King. The pure sine are expensive, Magnum makes the best. The cheapest pure sine is about $800-900 for 2000W.
     
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  8. cadillacdude1975

    cadillacdude1975 Road Train Member

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    screw the APUs that have the built in inverter. the best way to deal with that situation is to have another big inverter (if allowed) professionally installed to the batteries. leave the APU on auto. run what you want. when the batteries need charged, the APU kicks on and charges the batteries. this way, the APU only runs to charge the batteries. if your using the "shore power" feature on the APU, i do believe it has to be running for the built in inverter to work.

    i drove for BIR for a while, and i had an eagle international that had the thermoking tripack apu, no inverter. i had my own inverter hooked up to the batteries, and i ran what i wanted to and never looked back. just be sure and leave that APU on auto or you will be in a hurt locker trying to start that truck if you forget about the inverter and something is running.
     
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  9. bigtire

    bigtire Light Load Member

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    …this is exactly how the inverter is hooked up, straight to the batteries. The APU is not running when I use the inverter, it kicks in only when the batteries getting low….
     
  10. bigtire

    bigtire Light Load Member

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    .......the APU has nothing to do with the inverter, it only starts to charge the batteries when need it....and is working fine, I just did the full service my self. Purchased the 2 fuel filters, air filter and oil filter from Thermo king 1 gallon of 15W40 Mobil delvac.
     
  11. snowwy

    snowwy Road Train Member

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    i don't have anything to test the devices. but i once had a 300 watt small window mount a/c. i woulda though my 400 watt invertor would have ran it. that was before i realized that there's a power spike to kick start the thing. which exceeded the 800 peak watt for my 400 watt continous. ran fine with a 750 watt invertor. 1500 watt peak rated.

    but like others have said. it's possible maybe the invertor is worn out. or something else in your system.

    i've got a 1500 watt right now that don't work. it got fried with my 1000 watt one burner stove. now, if i turn the invertor on. it drains 4 batteries in a heart beat.
     
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