Is an SCR semi controlled device?

Question Posted / surendra

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Is an SCR semi controlled device?..

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

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29 Yes

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Is an SCR semi controlled device?..

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 ...

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10 Yes

0 No

Is an SCR semi controlled device?..

Answer / guest

yes

Is This Answer Correct ?

5 Yes

3 No

Is an SCR semi controlled device?..

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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2 Yes

18 No

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