Answer / ummed singh

yes, because scr can only be turn on by applying gate pulses
but it cannot be turnoff by the same.

Ref. P.S. Bhimbra power electronics

Answer / keshav khannawalia

yes, only triggering can be done through gate but commutation cant be done through gate,gate loses control after the scr turns on ...

Answer / guest

yes

Answer / sidharth

NO, the firing angle of the SCR can be controlled from 0 to 360 degrees. only the operation of the SCR changes. It acts as a phase controlled rectifier from 0 to 180 degrees and as an inverter from 180 to 360 degrees.

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