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Power Electronics
Which of the following is used in SCR to protect from high dV / dt?
Snubber circuit.
Fuse.
Equalizing circuit.
Circuit breaker.
Snubber circuit.
Fuse.
Equalizing circuit.
Circuit breaker.
Answer
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Related Question
Power Electronics
In a UJT, the p-type emitter is ___________ doped
None of these
Lightly
Moderately
Heavily
None of these
Lightly
Moderately
Heavily
Answer
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Power Electronics
SCR will be turned off when anode current is
both (A) and (B).
less than holding current.
< latching current but greater than holding current and gate signal is 0.
< latching current but greater than holding current and gate signal is present.
both (A) and (B).
less than holding current.
< latching current but greater than holding current and gate signal is 0.
< latching current but greater than holding current and gate signal is present.
Answer
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Power Electronics
A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n
70.
90.
60.
80.
70.
90.
60.
80.
Answer
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Power Electronics
Which of the following is used in heat sink?
Silver.
Iron.
Carbon.
Aluminium.
Silver.
Iron.
Carbon.
Aluminium.
Answer
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Power Electronics
A GTO can be turned on by applying
Positive source signal.
Positive gate signal.
Positive drain signal.
None of these.
Positive source signal.
Positive gate signal.
Positive drain signal.
None of these.
Answer
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