The carrier which are commonly used in constant – frequency PWM is______________?

Related Mcqs:

A PNPN device having two gates is ___________?

A. Diac B. Triac C. SUS D. BCS...

BCT is used for____________?

A. High power phase control B. High power current control C. Low power current control D. Low power phase control...

Which statement is true ?

A. Reverse recovery time ( trr ) > gate recovery time (tgr) B. Device turn OFF time ( tq ) > reverse recover time (trr) C. Circuit turn OFF time > device turn OFF time ( tq ) D. All of these...

In a load commutated DC – DC chopper, the capacitor has a_____________?

A. Symmetric triangular voltage across itself B. Symmetric rectangular voltage across itself C. Symmetric trapezoidal voltage across itself D. Symmetric sinusoidal voltage across itself...

For bidirectional operation of converters____________?

A. A parallel combination of controllable switch and a diode is used B. A parallel combination of controllable switch and capacitor is used C. A series combination of controllable switch and a diode is used D. A series combination of controllable switch and a capacitor is used...