Power Inverter Types

DC to AC and Grid Tie Power Inverter Types

How to choose between modified and pure sine wave inverters and plug-in grid tie or wired grid tie power inverters

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A DC to AC power inverter allows you to convert the stored power from your battery bank to the tools and appliances you want to operate.  The term “sine wave” refers to the type of power the inverter is producing – typically modified sine wave or pure sine wave.  Missouri Wind and Solar carries a variety of power inverters, but you need to know which unit is the best for your application.

  1. Modified Sine Wave Power Inverter

    Modified Sine Wave Power Inverter

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    • Most common
    • Lower starting price ($$-$$$$)
    • Emits a “blocky” sine wave
    • Primarily used for operating lighting and most power tools
    • May cause static, buzzing, and/or humming when used with electronics
    • Draws more amps to operate (battery power is used more quickly)
    • May reduce the lifespan of large appliances, like refrigerators.
    • Cannot be wired into a wall outlet
    • Click here for our modified sine wave inverters
  2. Pure Sine Wave Power Inverters

    Pure Sine Wave Inverter

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    • Higher price point ($$-$$$$)
    • Produces a “smooth” power that closely resembles (or is better than) power from the utility grid
    • Primarily used for electronics, such as  laser printers, medical equipment, televisions,  and variable speed power tools and cordless tool battery chargers
    • Draws less amps to operate (battery power lasts longer)
    • Cannot be wired into a wall outlet
    • Click here for our pure sine wave inverters
  3. Plug-in Grid Tie Power Inverter

    Plug-In Grid Tie Feed Inverter

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    • Inexpensive ($$$)
    • Feeds back into the grid
    • Turns off if the grid power is down
    • Somewhat limited by wattage rating (about 500 watts)
    • Very easy to use, plug and play operation
    • Inverter is plugged into a regular household outlet
    • Click here for our plug-in grid tie inverters
  4. Grid Tie Power Inverter

Kaco Grid Tie Feed Inverter

    • Expensive ($$$$)
    • Designed to be wired into your fuse box
    • Pure Sine Wave
    • Higher wattage rating (1,500 watts to 10,000 watts+)
    • May or may not be used with a battery bank depending on the manufacturer and inverter type
    • Click here for our grid tie inverters

       

If you’re interested in the plug-in grid tie inverter, we recommend watching the video below

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4 Responses to Power Inverter Types

  1. Andrew Kenny says:

    So for just running a 40watt aerator pump is there much difference between modified and pure sine wave?
    Would pure sine be easier on my battery?

  2. ernest vega says:

    hi i am from puerto rico i still don’t have light i want to start a panel system how much just to use the fridge and some lights and tv at night ,my fridge is 6.0 amp

  3. Millie Hue says:

    Thanks for helping me understand that inverters are used to convert energy so that we will be able to use our appliances without issues. I just got curious about this because my uncle is going to buy one this weekend. It appears that he will be using it for the workshop that he will be having. He is such a creative person that is why his dream is to have a place where he can make his ideas into reality. I guess he will be using different tools and equipment to create his projects that is why he needs it.

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