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Power Electronics
The function of snubber circuit connected across the SCR is to
decrease di / dt.
suppress dV / dt.
increase dV / dt.
decrease dV / dt.
decrease di / dt.
suppress dV / dt.
increase dV / dt.
decrease dV / dt.
Answer
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Related Question
Power Electronics
A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is
0.32.
0.27.
0.67.
0.45.
0.32.
0.27.
0.67.
0.45.
Answer
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Power Electronics
Which statement is true for latching current ?
It is related to conduction process of device.
It is related to turn off process of the device.
It is related to turn on process of the device.
Both C and D.
It is related to conduction process of device.
It is related to turn off process of the device.
It is related to turn on process of the device.
Both C and D.
Answer
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Power Electronics
After peak point, the UJT operates in the ___________ region.
Cut-off
Negative resistance
None of these
Saturation
Cut-off
Negative resistance
None of these
Saturation
Answer
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Power Electronics
A single phase full bridge inverter can operated in load commutation mode in case load consist of
RLC underdamped.
RLC critically damped.
RL.
RLC overdamped.
RLC underdamped.
RLC critically damped.
RL.
RLC overdamped.
Answer
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Power Electronics
A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is
60° to 180°.
60° to 120°.
30° to 180°.
30° to 150°.
60° to 180°.
60° to 120°.
30° to 180°.
30° to 150°.
Answer
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