Power Electronics Thyristor can be protected from over voltages by using fuse. heat sink. voltage clamping device. snubber circuit. fuse. heat sink. voltage clamping device. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 6000 A. 4242.64 A. 2121.32 A. 1500 A. 6000 A. 4242.64 A. 2121.32 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operated in load commutation mode in case load consist of RLC overdamped. RL. RLC underdamped. RLC critically damped. RLC overdamped. RL. RLC underdamped. RLC critically damped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Delay time. Same for every case. Rise time. Spread time. Delay time. Same for every case. Rise time. Spread time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability TRIACs. Semi conductor diodes. Thyristor. MOSFETs. TRIACs. Semi conductor diodes. Thyristor. MOSFETs. ANSWER DOWNLOAD EXAMIANS APP