Power Electronics A thyristor can termed as DC switch. Both a and B. AC switch. Square wave switch. DC switch. Both a and B. AC switch. Square wave switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? GTO. SIT. SCR. SITH. GTO. SIT. SCR. SITH. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 600 V/µs. 1000 V/µs. 800 V/µs. 1200 V/µs. 600 V/µs. 1000 V/µs. 800 V/µs. 1200 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A three junction device A triac without gate terminal None of these A single junction device A three junction device A triac without gate terminal None of these A single junction device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A d.c. A mechanical None of these An c. A d.c. A mechanical None of these An c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
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