An SCR has an anode supply of sine voltage 200 Vr.m.s., 50 Hz applied – McqOptions

MCQOPTIONS

1.	An SCR has an anode supply of sine voltage 200 Vr.m.s., 50 Hz applied through a 100 Ω resistor and fired at an angle of 60°. Assuming no voltage drop the r.m.s. value of the output voltage is nearly
A.	90 V
B.	126 V
C.	166 V
D.	200 V
Answer» C. 166 V

Discussion

No Comment Found

Related MCQs

In a 3-phase converter circuit, during commutation when one SCR in one phase is turned on, turning of an SCR in another phase results is:
In a 3-phase half wave rectifier the dc output voltage is 230 V. The peak inverse voltage across each diode is
For an SCR, di/dt protection is achieved through the use of
A delayed full-wave rectified sinusoidal current has an average value equal to half its maximum value. Find the delay angle θ.
For a 3-ϕ, 50 Hz supply, calculate the ratio of output voltage ripple frequency to the supply voltage frequency of 6 pulse diode bridge rectifier.
A fully controlled rectifier operates in the _______ quadrant.
Consider the following statements:Phase controlled converters at small values of output voltage have1. Large harmonics in utility system2. Poor power factor3. High efficiency4. Notches in line voltage waveformWhich of the above statements are correct?
Distortion factor (DF) and total harmonic distortion (THD) are related by.
In the circuit shown in the given figure, the SCR is fired at 45°. Which of the following statements is correct with respect to load voltage and current at ωt = π?
A single-phase full-wave rectifier is constructed using thyristors. If the peak value of the sinusoidal input voltage is Vm and the delay angle is π/3 radian, then the average value of output voltage is