Power is supplied to a load resistor R from a three-phase full-wave uncontrolled bridge rectifier, calculate (a) the average value of the load current (b) Calculate Vác, Ideand Pác if V= 300 V, R=50 Q.
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- What is the difference between a diode and rectifier?A three phase fullwave controlled rectifier has an input voltage which is 480vrmsat 60hz. the load modelled as a series resistance and inductance with R=10ohm and l=50mH. determine the delay angle to produce an average of 50ain the load.Single phase half sinusoidal wave controlled rectifier with (? = 30?) pure resistive load (Vs =220 v. f=60 Hz, R=10Ω) Determine the average output voltage Vo Determine the r.m.s value of the output voltage
- A single-phase full-wave bridge rectifier circuit is fed from a 220 V, 50 Hz supply. It consists of four diodes, a load resistance 20 Q and a very large inductance so that the load current is constant. What is the average or dc output voltage?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 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 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 correctFind VDc if VAN = VBN = VCN= 120 volts... Half-wave Three-phase Rectifier Conduction Waveform Periodic Time (T) A B 180 360 90° 450 540 time 270 VAN VeN VAN VEN Voc Vrc 30 120 150 270 390 510° time Output Voltage Waveform BA single-phase full bridge uncontrolled rectifier is supplied by 220 V (rms) line voltage. The load is pure resistive. What is the output Ripple Factor ?
- 7. If line frequency is 60 Hz, what is the output frequency of a bridge rectifier? 8. If the load current is 5 mA and the filter capacitance is 1000 F, what is the peak-to-peak ripple out of a bridge rectifier? 9. The diodes in a bridge rectifier each have a maximum dc current rating of 2 A. What is the maximum value of the dc load current?Find Vpc if VAN = VBn = Vcn= 120 volts... Half-wave Three-phase Rectifier Conduction Waveform Periodic Time (T) A B A 90° 180° 360 450° 540 time 270° -V VAN VeN VaN VaN VEN Voc4 Voc 150 120° 270 390 510° time 30 Output Voltage WaveformA single-phase bridge rectifier has a purely resistive load R = 152, the peak supply voltage Vm= 180 V, and the supply frequency f= 60 Hz. Determine the average output voltage of the rectifier if the source inductance is negligible.