Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Same for every case. Delay time. Rise time. Spread time. Same for every case. Delay time. Rise time. Spread time. 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? 1000 V/µs. 600 V/µs. 800 V/µs. 1200 V/µs. 1000 V/µs. 600 V/µs. 800 V/µs. 1200 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz Frequencies above 1000 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? IGBTs. SITS. COOLMOS. TRIAC. IGBTs. SITS. COOLMOS. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A d.c. An c. A mechanical None of these A d.c. An c. A mechanical None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.32. 0.67. 0.45. 0.27. 0.32. 0.67. 0.45. 0.27. ANSWER DOWNLOAD EXAMIANS APP
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