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trigger pulse generation in thyristor

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sudhavaithyanathan

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pulse trigger for thyristor

friends
i am a pg student,in my project i have generated the trigger pulse for the generator .the output of the pulse transformer is 3v,but when i give it to my thyristor its not triggering.i dont know what is the problem if any one knew plz help me,its quit useful for me
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sudha
 

thyristor pulse generator

First, make sure that the secondary winding generate positive pulses with reference to the cathode .. see picture below ..

I can't tell you much about voltage level of the pulse, but normally a pulse with length 10us with amplitude of 50mA is sufficient to turn-on thyristors ..

Regards,
IanP
 

Hi IanP,

I only read little about thyristor. I want to know what really triggers the thyristor? Volate or current pulse? Thanks!
 

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