efix Posted May 19, 2010 Report Share Posted May 19, 2010 HI ! I 'wd like to point your attention let we have good singal phase regulator is there any one can help me to find the singal phase scr based shunt regulator circuit diagram i shall be gratefull Thank you ! Quote Link to comment Share on other sites More sharing options...
audioguru Posted May 19, 2010 Report Share Posted May 19, 2010 I assume you are using a transformer to step-down the voltage of your electricity mains to 12VAC. What load needs the 12vAC to be regulated?The output voltage of the transformer should not change much from when it has no load to when it is fully loaded unless it is poor quality and cheap. Is it poor quality and cheap?What is wrong with your electricity mains that is causing its voltage to vary up and down?What is the load current? A shunt regulator wastes a lot of power when there is no load.An SCR works with DC voltages. It needs a full-wave bridge rectifier to work with AC voltages or a triac can be used instead. Quote Link to comment Share on other sites More sharing options...
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