Chopper Control Strategies Objective Questions

In pulse width modulation scheme, _________ is kept constant.

In constant frequency TRC or pulse width modulation scheme, ________ is varied.

Which of the following mentioned control strategy/strategies would require a feedback loop?

In case of variable frequency system __________ is varied

In the current limit control method, when the load current reaches a predefined lower value, then

In case of a constant frequency system, Ton = (1/4)T. If the chopping frequency 2 kHz, find the value of Toff.

In case of TRC (Time Ratio Control), _________ is varied

In case of frequency modulation system, ________ is kept constant.

In the current limit control method, the chopper is switched off when

The control strategy in which on and off time is guided by the pervious set of values of a certain parameter is called as