Power Electronics The typical value of SCR for modern alternator is 0.5. 1.5. 1.0. 1.2. 0.5. 1.5. 1.0. 1.2. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. ANSWER DOWNLOAD EXAMIANS APP
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 120°. 30° to 150°. 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. 60° to 180°. 30° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Factor of safety. Derating factor. Reliability factor. String efficient. Factor of safety. Derating factor. Reliability factor. String efficient. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? All of these. To minimize the loss . To minimize the discharging current. To minimize the charging current. All of these. To minimize the loss . To minimize the discharging current. To minimize the charging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. ANSWER DOWNLOAD EXAMIANS APP
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