Thyristors Questions and Answers – Part 3

For effective turning off of the SCR after the anode current has reached zero value, _________

The latching current is _________ than the holding current

To avoid commutation failure

For an SCR the total turn-on time consists of
i) Delay time
ii) Rise time and the
iii) Spread time
The spread time interval depends upon

For an SCR the total turn-on time consists of
i) Delay time
ii) Rise time and
iii) Spread time
During the rise time the

During the transition time or turn-on time

For an SCR the total turn-on time consists of
i) Delay time
ii) Rise time and
iii) Spread time
During the delay time the

The minimum value of anode current below which it must fall to completely turn-off the device is called as the

The area under the curve of the gate characteristics of thyristor gives the

The gate characteristics of thyristor is a plot of