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[SOLVED] Voltage Stabilizer using LM324.

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elanshul

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Dear all,

can anyone help me for 240 volt AC out staiblizer which can operate from minimum 110 volt input using 2 relay and without chattering the relay also transformer use his own LT i.e. no additional transformer for relay operation. please arrange for transformer taping relay connection and circuit diagram. i will be highly obliged.
 

You need more then two steps for voltage regulation between 110V 240V. With two steps you will have high voltage difference, I don't think that your devices will be happy. Use more steps, for fine regulation.

Search forum I post project circuit with LM324 voltage stabilization somewhere, and maybe you find some others usefull circuits.
 
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You will most likely get more replies if you post this question in the Power forum.
But I fully agree with Tpetar... you will require MANY taps in the autotransformer for the wide voltage range you require.

Also....you state that: "no additional transformer for relay operation"..... Again with such a large voltage input range, I don't think is feasible or optimal....you may require to use an universal input AC adaptor...fortunately most, if not all adaptors for tablets, laptops or even cell phones are universal. You may be able to purchase a used one.
 

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