Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 2121.32 A. 4242.64 A. 1500 A. 6000 A. 2121.32 A. 4242.64 A. 1500 A. 6000 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is less than holding current. both (A) and (B). < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. less than holding current. both (A) and (B). < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? CB and fuse. Heat sink. Snubber circuit. Voltage clamping device. CB and fuse. Heat sink. Snubber circuit. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR anti parallel. either series or parallel. in series. in parallel. anti parallel. either series or parallel. in series. in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low dv/dt. Low di/dt. High di/dt. High dv/dt. Low dv/dt. Low di/dt. High di/dt. High dv/dt. ANSWER DOWNLOAD EXAMIANS APP
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