Question: Two thyristors having a difference of 3mA in latching current are connected in series with the circuit. Voltage across the devices are 420 V and 300 V. What the values of a resistor and capacitor of a suitable RC circuit for thyristor if the permissible difference in blocking voltage is 8 V and difference in recovery charge is 3µC. Option 1: зоко, 0.015 MF Option 2: 60KO, 0.045 µF Option 3: 50KΩ, 0.035 μF Option 4: 40KO, 0.025 uF Prev

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Question:
Two thyristors having a difference of 3mA in latching current are connected in series with
the circuit. Voltage across the devices are 420 V and 300 V. What the values of a resistor
and capacitor of a suitable RC circuit for thyristor if the permissible difference in blocking
voltage is 8 V and difference in recovery charge is 3µC.
Option 1:
30KQ, 0.015 µF
Option 2:
60KO, 0.045 µF
Option 3:
50KO, 0.035 µF
Option 4:
40KQ, 0.025 µF
Prev
Transcribed Image Text:Question: Two thyristors having a difference of 3mA in latching current are connected in series with the circuit. Voltage across the devices are 420 V and 300 V. What the values of a resistor and capacitor of a suitable RC circuit for thyristor if the permissible difference in blocking voltage is 8 V and difference in recovery charge is 3µC. Option 1: 30KQ, 0.015 µF Option 2: 60KO, 0.045 µF Option 3: 50KO, 0.035 µF Option 4: 40KQ, 0.025 µF Prev
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