UP polytechnic Lecturer (EE) Quiz 15

In B-6 type converter, if the firing angle is equal to 70° then the type of conduction & total conducting angle of thyristor will be

For 1-phase semi-converter, the average value of freewheeling diode current is _____ A, if average load current is 10 A and firing angle is 45°.

The minimum frequency of the output voltage ripple in a three phase half

wave uncontrolled rectifier is _______times the input voltage frequency.

In the 180° mode VSI. The total number of devices conduct at a time are:-

In current commutated chopper the auxiliary thyristor stops conducting due to

In a 3-Ø Half wave Rectifier circuit with resistive load supplied from 440V. 50Hz source. The output voltages ripple range if output current is not constant.

For the given Δ – γ connected transformer. Diode D₃ converts from

For a 3-phase voltage source inverter, switch current rating (rms) is _____ A, if the phase current is 2 A .

A 3-ϕ VSI is operated in 180° conduction mode. which of the following statement is true?

The below figure represents the circuit diagram of