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Sir please explain how a Dropping Capacitor drops voltage levels from 230v to 12v or 24v etc…….. in a transformerless power supply
you will find your answer here
http://www.engineersgarage.com/contribution/transformerless-power-supply-circuit
sir i have seen that website already but there was no explanation regarding how a droping capacitor reduces voltage from 230v to 12v or 24v etc.. and also how to caculate the dropping capacitor value for reducing the voltage to 12v or 24v etc.. in transformerless poer supply.
Hi Sonam,
Basically as the frequency of the current flow through the capacitor decrease, the voltage drop across it increases, and it is dependend on the capacitance value. I think Mr. Mohankumar explained all the details clearly using design equations in the article which you are talking about.
In the equation I = V / X
find out X, you know the required volatge drop V and the required current I. X can be found uisng another formula X = 1 / (2 ¶ fC ).
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