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 Under over voltage condition impedance offered by the voltage clamping device is low. infinity. high. moderate. low. infinity. high. moderate. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? BJT. Microwave transistor. Power MOSFET. Schottky diode. BJT. Microwave transistor. Power MOSFET. Schottky diode. 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 180°. 60° to 180°. 30° to 150°. 60° to 120°. 30° to 180°. 60° to 180°. 30° to 150°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during all. delay time. spread time. rise time. all. delay time. spread time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using snubber circuit. voltage clamping device. heat sink. fuse. snubber circuit. voltage clamping device. heat sink. fuse. ANSWER DOWNLOAD EXAMIANS APP
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