In commutation PAC stands for_______?

Related Mcqs:

A Triac is a ______________?

A. 2 terminal switch B. 2 terminal bilateral switch C. 3 terminal bilateral switch D. 3 terminal bidirectional switch...

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...

60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is______________________?

A. 76.3 % B. 91.6 % C. 83.3 % D. 90.9 %...

In a 3 phase CSI, if the required line output voltages are balanced and 120 degree out of phase, then the chopping angles are used to eliminate only the harmonics at frequencies

A. 5 B. 7 C. 11 D. All of these...

If the firing angle becomes negative, then the rectifier begins to work as_______________?

A. A rectifier B. An inverter C. A chopper D. A regulator...