36. Crude AC inverter

This project allows you to convert the 12 volts DC, to 120-volt AC. This output can be used to power any appliances that require that AC voltage. It requires some tuning, since it may or may not guarantee a steady 120 volts, but it works.

<Entire inverter>

It works through a multivibrator circuit, where the PWM signal was generated, and switches the MOSFETs, allowing the current to flow through the MOSFETs, and into the transformer.

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 The transformer then steps up the voltage for whatever voltage it has, and due to the switching from the MOSFETs, the voltage alternates back and forth. The voltage that you'll receive at the end will depend on the transformer itself. For example, if you have a transformer designed for stepping down 120 volts, then you are guaranteed to have the same output as the input.

This is a fun way to get started on High Voltage projects, and a great preparation when it comes to emergencies like power outages. While the wattage output may not be good, it is still enough to power most applications, just look to see if the power usage for an appliance is suitable enough.

<Back view>

But remember this, while it still does work for powering 120-volt applications, you need to know the limits of this inverter. In this inverter, while its power output is 120-volt VAC, the wattage output is 40w, which can eliminate most of the devices that require a substantial amount of watts. You can power it through 24 volts from the 2 lead-acid batteries, and that will give you more watts for powering devices such as a laptop. But that will increase the voltage up to over 600 volts-best use is a switching mode for 12 volts or 24 volts.

 

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