A single phase fully controlled rectifier is operated from a 230 volts, 50 Hz supply. The load is R = 15 Q, L= 5mH and with FWD. If the average output voltage is (3/4)th of the maximum possible average output voltage. Calculate the delay angle a.
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- A 60 Hz sinusoidal voltage with an RMS value of 120 V is applied to a single-phase half-wave SCR rectifier. The firing of SCR is delayed by 60 degrees. The DC output voltage of the rectifier would be: O A. 60 V O B. 90 O C. 81 V O D. 40 V O E. None of the other choices are correctA 60 Hz sinusoidal voltage with an RMS value of 120 V is applied to a single-phase full-wave SCR rectifier. The DC output voltage of the rectifier is 101 V, the firing angle (in degrees) of SCR is would be: O A. 36 O B. 45 O C. None of the other choices are correct O D. 30 O E. 60A single-phase half wave uncontrolled rectifier circuit is operating with a purely inductive load and a source voltage of 100 sin (277t) V. An ideal PMMC ammeter is connected in series with the inductive load reads 20 A. Calculate the distortion factor of the rectifier. Answer Choices: a. 0.866 b. 0.707 c. 0.577 d. 0.816
- A 60 Hz sinusoidal voltage with an RMS value of 240 V is applied to a single-phase full-wave SCR rectifier. The RMS output voltage of the rectifier is 237 V, the firing angle (in degrees) of SCR is would be: A. 45 B. None of the other choices are correct O C. 60 OO D. 36 O E. 30A certain unfiltered center-tapped full wave rectifier is powered by a 120 Vrms, 60 Hz power system. The peak value of the output voltage under loaded conditions is 30 V. The capacitance value is 2000 uF, load current of 2A, determine the following: 4. DC load voltage Ripple factor C.A 60 Hz sinusoidal voltage with an RMS value of 120 V is applied to a single-phase full-wave SCR rectifier. The firing of SCR is delayed by 60 degrees. The DC output voltage of the rectifier would be: A. None of the other choices are correct O B. 40 V O C. 60 V O D. 81 V O E. 101 V
- A fully controlled, single-phase bridge rectifier is powered from an ideal 220V, 50Hz source. The rectifier is triggered with a trigger angle of 60 degrees and provides a smooth current of 50A to the load at the output. According to this: a) Draw the waveform of the output voltage in scale and calculate the average value of the output voltage. Combine the average voltage signal with the output voltage wave signal. Show on the same figure. b) Draw the waveforms of the thyristor currents, the gap diode current and the current drawn from the source in scale. c) Calculate the value of the filter inductance used at the output when the ripple in the load current is 3A. (Do the operations by showing the output voltage shapes and areas on the figure. The answers should be in the system and order in the solved examples.)A three phase full wave rectifier is shown below along with peak phase voltage Vm-169.7V. The load is purely resistive. The rectifier delivers Ipc = 100 A and the source frequency is 60 Hz. The DC output voltage is %3D VDc=280.7V and the output RMS voltage is equal to VRMS=280.93V. The efficiency, FF and RF are respectively equal to: Secondary D D D, R AD. Z D. D, Select one: O a. 99.83%, 100.08%, 4% O b. 99.83%, 55.08%, 4% O C. 99.83%, 100.08%, 16% O d. 87.83%, 100.08%, 4%Be a single-phase half-wave rectifier with an RL load. The sinusoidal input voltage has a frequency of 60 Hz and the value of R = 10 ohms. What is the value of L for the current extinction angle to be 270°. Tip: use Puschlowski's abacus.
- If the peak voltage of a full wave rectifier is 20V,the average output voltage is a. 13.7V b. 31.7V c. 12.7V d. 22.7VA 60 Hz sinusoidal voltage is applied to an SCR full-wave rectifier. If the DC output voltage is 162 V and the firing angle of the SCR is 60 degrees, the peak voltage of the input sinusoidal would be: O A. 197 V O B. 228 V O C. Can't tell; need more information. O D. 340 V O E. None of the other choices are correctCIRCUIT DIAGRAM : D1 IÑ4001 AC Source RL 1K Q VOUT PROCEDURES : 1. Construct the half-wave rectifier circuit as shown. 2. Monitor the input voltage using the oscilloscope. Adjust the oscilloscope to show at least two complete cycles of the input signal. Draw the input waveform in Graph 1 and measure the peak-to-peak value. Record this in Table 1. Convert this value into RMS value using the formula: 3. 4. Vp-p Vp-p P-P VRMS 2.828