Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Semi conductor diodes. TRIACs. MOSFETs. Thyristor. Semi conductor diodes. TRIACs. MOSFETs. Thyristor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode voltage drops from 100 % to 90 % of its actual value. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to High dv/dt. Low di/dt. High di/dt. Low dv/dt. High dv/dt. Low di/dt. High di/dt. Low dv/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 40 - 60 µs. 1 - 4 µs. 10 - 20 µs. 90 - 100 µs. 40 - 60 µs. 1 - 4 µs. 10 - 20 µs. 90 - 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 108 ohm 11.19 ohm 115 ohm 111.9 ohm 108 ohm 11.19 ohm 115 ohm 111.9 ohm ANSWER DOWNLOAD EXAMIANS APP