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 120°. 30° to 180°. 60° to 180°. 30° to 150°. 60° to 120°. 30° to 180°. 60° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as AC switch. DC switch. Both a and B. Square wave switch. AC switch. DC switch. Both a and B. Square wave switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. A mechanical A d.c. None of these An c. A mechanical A d.c. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Snubber circuit. Fuse. Inductor. Voltage clamping device. Snubber circuit. Fuse. Inductor. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A modern power semiconductor device that combines the characteristic of BJT and MOSFET is MCT. GTO. FCT. IGBT. MCT. GTO. FCT. IGBT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 100 µs. 3 - 10 µs. 3 - 500 µs. 3 - 50 µs. 3 - 100 µs. 3 - 10 µs. 3 - 500 µs. 3 - 50 µs. ANSWER DOWNLOAD EXAMIANS APP
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