inverter 12v to 220v

 TL494

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In this project, we will show how to build a power inverter circuit.

A power inverter circuit is a circuit that converts DC power into alternating current power.

You can make the AC power at any level you want and at any frequency you want.

Common values ​​for boosting AC voltage level are either 110-120V or 220-140V because these are the AC voltages used all over the world.

We achieve this voltage, we use a transformer with an amplification of 1:10. So if we are able to use a 12V battery to power our circuit then when we subject the transducer input to that it will convert 12VDC to 220 VAC

So in order to do this circuit we will need a VAC220 power supply transformer that takes a 12V input.

How to achieve circuit frequency through resistor capacitor (RC) network. By carefully choosing the values ​​of the resistor and capacitors, we can get a signal that has a frequency in the desired range that we want.

In the United States, the standard frequency is 60 Hz for AC voltage from wall outlets. Therefore, we will try to imitate this frequency as soon as possible. Later, we can test the frequency with either a multimeter, oscilloscope or frequency counter for accuracy. Worldwide, the frequencies are either 50Hz or 60Hz, so there isn't much difference. So with a simple adjustment of the values ​​we can get any frequency, if you want to frequency where you live.

By doing this circuit and having the amplitude and frequency of the AC voltage that we use in our country, we are imitating the function of the AC wall socket. Therefore, devices that are powered by connecting to a wall outlet can now be powered directly via our inverter circuit. This is one of the main reasons for using transformers. So if for any reason the power goes out, we can still power a device connected to AC power in an emergency. This is why so many people have spare converters lying around. It completely replaces the functionality of a wall socket, assuming one simple condition - that the inverter has enough power to power this object.

If you are dealing with a 1000 watt inverter, and the appliance you need needs 1500 watts, such as a typical high power heater, then the inverter circuit will not be able to do that. You need to know that the power limits of the said inverter. This is why if you look at commercial transformers, they will have specifications for how much power they can produce. Power is a function of voltage versus current. So, if the inverter generates 220 volts and can output up to 12 amps of current, then its rated power is 1440 watts.

The maximum wattage that our circuit can handle will be a function of the transducer used. You have to check your power adapter for the maximum current it can produce. This multiplied by the output voltage will be the maximum wattage of the circuit.