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help in a Circuit used to fire thyristors

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mosh11

New Member
Hello members

i want to design a circuit to supply the firing pulse of the thyristors

i want also its theory of operation.

any help will be appreciated:)

thank you

Ahmed
 
The thyristor, will it be a SCR or TRIAC?
Are you going to control a DC or AC load?
In the latter case, will it be phase control, zero crossing or static switching?
How large is your thyristor? Volt/Current ratings.
Sensitive gate SCR?, Three or Four quadrant Triac?
Isolated or non-isolated drive?
Cost?

General Electric's SCR manual has something like 40 pages dedicated to thyristor triggering.
 
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