Low cost inverter circuit

With this 500 W cheap inverter inverter 12 V/220 VAC scheme, a constant voltage of 12 V can be converted to AC 220 V. 4047 chip produces a square wave generator of 50 Hz. square wave pulse will be amplified and then fed to the step-up transformer.

Calculate the parameters of the transformer

The base ratio for the transformer Pin = Pout, where

Pin = Vin × Iin – power of the primary winding,
Pout = Iout × VOUT – power of the secondary winding.

For example, if we want to connect to the inverter load 220 W at a voltage of 220 V, secondary current must be 220/220 = 1 A. In this case, the primary winding must be designed, at least at current 3.18 A, as 12 × 18.3 = 220 Tues

Thus, you need to winding the transformer, increasing 12 to 220, with the primary winding must be rated for currents up to 20A

Attention: This 500 W cheap inverter inverter 12 V/220 VAC Circuit is using high voltage that is lethal. Please take appropriate precautions

A power inverter is a device that converts DC (Direct Current) power into AC (Alternating Current) power. The AC output is usually 120 VAC, 60 Hz (USA domestic power) or 230 VAC, 50 Hz (International power). Inverters are usually used to supply AC power from DC sources such as solar panels or batteries

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