Power Electronics 2 Electrical Engineering MCQ Practice Quiz 5

The opposite of susceptibility is____?

A step – down choppers can be used____?

The ac voltage controller can be used for____?

The phase angle of gate signal in TRIAC can be shifted by using____?

In the SPWM, the modulating signal____?

The transfer function of PWM is generally developed in_____?

The Graetz bridge makes excellent use of_____?

In constant frequency PWM, at perturbation the amplitude of the sinusoidal component is____?

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

In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes____?

In a square – wave operation of 3 phase CSIS, the power values are on for_____?

An SCR can be used_____?

With gate open, the maximum anode current at which SCR is turned off from ON condition is called_____?

Bidirectional semiconductor device____?

A full wave rectifier with resistive load produces____?

An ideal diode is____?

The input current waveform of a bridge controlled rectifier when the load is perfectly filtered is_____?

Harmonics in 3 phase inverters can be reduced by using_____?

The maximum firing angle in the half wave controlled regulator is_____?

In a phase controlled 3 phase ac voltage controller, the harmonic present is____?

The power MOSFET device is a_____?

The conduction losses in IGBT is____?

In rectifiers, load current flow is_____?

Single phase VSI are mainly used_____?

The man made noise sources is / are____?