Power Electronics Which of following devices has highest di/dt and dv/dt capability? SIT. SCR. GTO. SITH. SIT. SCR. GTO. SITH. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only positive Both positive and negative None of these Only negative Only positive Both positive and negative None of these Only negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when both B and C. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. both B and C. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet low voltage demand. high current demand. high voltage demand. low current demand. low voltage demand. high current demand. high voltage demand. low current demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 10 µs. 3 - 50 µs. 3 - 500 µs. 3 - 100 µs. 3 - 10 µs. 3 - 50 µs. 3 - 500 µs. 3 - 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 70. 60. 90. 80. 70. 60. 90. 80. ANSWER DOWNLOAD EXAMIANS APP