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Pure Sine Wave Inverter

Discussion in 'Technical Chat' started by brandonpturner, Jun 24, 2017.

  1. Jun 24, 2017 at 11:37 PM
    #1
    brandonpturner

    brandonpturner [OP] Well-Known Member

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    I saw the BESTEK 300W Power Inverter "pure sine inverter" on Amazon, but the osc output looks pretty noisy. Can anyone recommend one they've used? Thanks!
     
  2. Jun 24, 2017 at 11:40 PM
    #2
    IronPeak

    IronPeak PermaLurker

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    @cliffyk seems knowledgeable about PSW inverters
     
  3. Jun 25, 2017 at 10:46 AM
    #3
    cliffyk

    cliffyk Well-Known Member

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    I was quite surprised to see a "pure sine inverter" for $33; then I dig up the YouTube video of its output and found out why--"pure sine" my backside--however to be fair it's not all that bad compared to other "pure sine" inverters I have seen, some costing 3 to 4 times as much. I would guess its output to be in the 35% to 45% THD range.

    If you want a real, low distortion, sine wave output; 300 to 400 W, say 3% to 5% THD; you'll need to spend $150 to $200.

    3% to 5% THD is what most public utilities provide...
     
  4. Jun 25, 2017 at 11:41 AM
    #4
    brandonpturner

    brandonpturner [OP] Well-Known Member

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    Yeah I don't mind the cost. I just don't know which one I should get so looking for recommendations from users.
     
  5. Jun 25, 2017 at 4:19 PM
    #5
    cliffyk

    cliffyk Well-Known Member

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    I read through the reviews on Amazon, some say it's output is pretty good--and show some waveforms that look clean--however those that do do not specify the specs of their 'scopes. If I had any use for another low power inverter (I have three plus the one in the truck, and no longer use any of them) I'd buy one and test it myself...
     
  6. Jun 26, 2017 at 6:50 PM
    #6
    brandonpturner

    brandonpturner [OP] Well-Known Member

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    Yah. I read about this one too. I'm just wondering if anyone out there uses *ANY* Pure Sine Inverter and can recommend it.
     
  7. Jun 26, 2017 at 7:30 PM
    #7
    Sandman614

    Sandman614 Snarky TWSS elf, Travis #hotsavannahdotcom, LRGRNR ⛄ Official TWSS Elf ❄️

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    I picked this one up, seems good, reviews are good, haven't put it on a scope or looked up any graphs.
    AIMS Power (PWRI60012S) 600W Pure Sine Power Inverter with Cables https://www.amazon.com/dp/B007KDDSXQ/ref=cm_sw_r_cp_apa_rmCuzbNH5WMK4
     

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