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___________?

Related Mcqs:

A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is _____?

A. 30° to 150°. B. 30° to 180°. C. 60° to 120°. D. 60° to 180°....

Thyristor is nothing but a____________?

A. Controlled transistor B. Controlled switch C. Amplifier with higher gain D. Amplifier with large current gain...

Power transistor are type of___________?

A. B.JTs B. MOSFETs C. IGBTs D. All of above...

In a silicon controlled rectifier, the load is connected___________?

A. Across anode B. In series with anode C. Across cathode D. In series with cathode...

AC power in a load can be controlled by using_____________?

A. two SCR’s in parallel opposition B. two SCR’s in series C. three SCR’s in series D. four SCR’s in series...