How can we protect SCR from thermal conditions _____________?

Related Mcqs:

The maximum di/dt in a SCR is____________?

A. Directly proportional to supply voltage B. Directly proportional to inductance in the circuit C. Inversely proportional to supply voltage D. Both A and B...

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?

A. 600 V/µs B. 800 V/µs C. 1200 V/µs D. 1000 V/µs...

SCRs are used in series to meet_______________?

A. high current demand B. low voltage demand C. low current demand D. high voltage demand...

Double fourier series analysis of PWM is_____________?

A. Two dimensional functions B. Three dimensional functions C. One dimensional functions D. All of these...

In a full bridge VSI, in order to avoid the short circuit across the DC bus and the undefined AC output voltage condition, the modulating technique should ensure that___________?

A. Top switch of each leg is on at any instant B. Bottom switch of each leg is on at any instant C. Either A. or B. D. None of these...