Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of the same value across each SCR. one resistor across the string. resistors of different values across each SCR. one resistor in series with each SCR. resistors of the same value across each SCR. one resistor across the string. resistors of different values across each SCR. one resistor in series with each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions Four None of these Two Three Four None of these Two Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as DC switch. Square wave switch. Both a and B. AC switch. DC switch. Square wave switch. Both a and B. AC switch. 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 30° to 150°. 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. 60° to 180°. 30° to 180°. 60° to 120°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device BJT. IGBT. TRIAC. SIT. BJT. IGBT. TRIAC. SIT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Voltage clamping device. Snubber circuit. CB and fuse. Heat sink. Voltage clamping device. Snubber circuit. CB and fuse. Heat sink. ANSWER DOWNLOAD EXAMIANS APP
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