Chopper Control Strategies Objective Questions

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

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

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

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

In pulse width modulation scheme, _________ is kept constant.

In case of variable frequency system __________ is varied

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

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

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

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