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Power inverter buzzing

Discussion in 'Technical Chat' started by ktmrider, Sep 21, 2010.

  1. Sep 21, 2010 at 5:17 PM
    #1
    ktmrider

    ktmrider [OP] Senior Member

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    Hey everybody I wanted to take a waffle maker with me tomorrow morning and make waffles on site at school, but It draws 550 watts, I tried it and it heated up fine but there was a distinct buzzing coming from the inverter. Im guessing it shouldn't do that. Will this set up be fine or should I just ditch the idea and bring the propane grill for pankcakes.

    it looks like this
    [​IMG]
     
  2. Sep 21, 2010 at 8:21 PM
    #2
    ktmrider

    ktmrider [OP] Senior Member

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    bump. Test 2 was a success Im going for it tomorrow
     
  3. Sep 21, 2010 at 8:36 PM
    #3
    fletch aka

    fletch aka www.BeLikeBrit.org

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  4. Sep 21, 2010 at 8:38 PM
    #4
    ktmrider

    ktmrider [OP] Senior Member

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    thats what im thinking, Im kinda excited
     
  5. Sep 21, 2010 at 8:39 PM
    #5
    SlurpeeBlueMetallic

    SlurpeeBlueMetallic FFFFFFUUUUUUUUUUUUUUU...

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    550w is a bit much, 400w is the max IIRC. However, kudos for using it for something I would have never thought of but sounds amazingly delicious!

    :hungry:
     
  6. Sep 21, 2010 at 8:42 PM
    #6
    ktmrider

    ktmrider [OP] Senior Member

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    Ive got a trip to harbor freight this weekend, Im picking up a 1200watt inverter to have even more fun
     
  7. Sep 21, 2010 at 8:51 PM
    #7
    larryde09

    larryde09 Well-Known Member

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    I can't say for sure about this inverter and its limits, but generally it is not uncommon for an inverter to "chirp". It is the inductor inside the switching regulator that is oscillating near human hearing frequencies.
     
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