Hello
I am about to design a trigger circuit for an SCR.
The i/p voltage is 1200Vdc @500mA
The SCR is triggered for a few microseconds, and a current flows from 1200Vdc to a coupling transformer and through the SCR.
My question is regarding optical triggering of the SCR (or pulse transformer if it works)
Any learned member wish to help me understand how this is done?
I saw a few optoisolators but none have a voltage rating of above 600vdc.
Regards
I am about to design a trigger circuit for an SCR.
The i/p voltage is 1200Vdc @500mA
The SCR is triggered for a few microseconds, and a current flows from 1200Vdc to a coupling transformer and through the SCR.
My question is regarding optical triggering of the SCR (or pulse transformer if it works)
Any learned member wish to help me understand how this is done?
I saw a few optoisolators but none have a voltage rating of above 600vdc.
Regards