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BlackMASK
21-09-2011 15:12
Please share our facebook fan page. www.facebook.com/e
lxproject

Santosh
02-08-2011 15:13
spam bye bye..

BlackMASK
29-07-2011 01:55
Janice, please write in our forum...

janice
28-07-2011 02:49
can anyone share ur ideas of creating a project that would benefit health & community...tnx

BlackMASK
20-05-2011 05:09
Got serious problem during update...fixed now

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elxproject.com

500W low cost 12V to 220V inverter

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Using this circuit you can convert the 12V dc in to the 220V Ac. In this circuit 4047 is use to generate the square wave of 50hz and amplify the current and then amplify the voltage by using the step transformer.

Circuit diagram
500W low cost inverter circuit Diagram

How to calculate transformer rating
The basic formula is P=VI and between input output of the transformer we have Power input = Power output
For example if we want a 220W output at 220V then we need 1A at the output. Then at the input we must have at least 18.3V at 12V because: 12V*18.3 = 220v*1
So you have to wind the step up transformer 12v to 220v but input winding must be capable to bear 20A

 

author: Ashad Mustufa
e-mail: [email protected]
web site: http://www.electronics-lab.com

· Santosh on December 11 2011 · In Power Suplies · 0 Comments · 12531 Reads ·Print

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