Power Electronics To meet high current demand we use SCRs in series connection. parallel connection. both B and C. anti parallel connection. series connection. parallel connection. both B and C. anti parallel connection. 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 4242.64 A. 1500 A. 6000 A. 2121.32 A. 4242.64 A. 1500 A. 6000 A. 2121.32 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 100 A. 110 A. 150 A. 120 A. 100 A. 110 A. 150 A. 120 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC critically damped. RLC overdamped. RLC underdamped. RL. RLC critically damped. RLC overdamped. RLC underdamped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 140 μs. 145 μs. 135 μs. 130 μs. 140 μs. 145 μs. 135 μs. 130 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. 90. 80. 60. 70. 90. 80. 60. ANSWER DOWNLOAD EXAMIANS APP
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