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Mansouri97

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alternater not giving correct value

hi i am trying to make a 220 ac to 12 dc converter but something is wrong with the alternator i put 220v and 50 hz in parameteres but in the the ossliscope it shows a max of 155 v
alter.PNG
value.PNG
 

Re: alternater not giving correct value

Hi,

for a voltage measurement you need two wires.
The volt_meter / scope uses GND and the signal_input (in your case Ch A). It displays the voltage "CH_A - GND"

But your input is not GND referenced. So both signal source connetions are floating somehow.

--> I assume connecting the lower side of your signal source to GND gives the expected values.

Klaus
 
Re: alternater not giving correct value

tried again it worked like a charm
 

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