A full wave rectifier circuit has input voltage 12 Vrms, the average output voltage (DC voltage) is: a. 21.6 V b. 99 V c. 198 V d. None of the above e. 10.8
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A full wave rectifier circuit has input voltage 12 Vrms, the average output voltage (DC voltage) is: a. 21.6 V b. 99 V c. 198 V d. None of the above e. 10.8
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- What is CEMF?Consider a three-phase diode rectifier supplying a R = 10 Ω DC load. The supply systemis 440 VLL and 60 Hz. A) What is the value of the average (DC) current across the load?B) Compute the value of an inductive filter (L) to be added in series with the resistiveload to limit the rms value of the lowest order current harmonic to 1% of the DC currentvalue. Note: 2 /[( 1)( 1)] Vdch = Vdc0 h − h + (in rms).A step-down transformer supplies 25Vrms to a simple half wave rectifier power supply which is connected to a load resistance of 912ohm. The diode breakdown voltage, Vf is 0.7 V. Calculate the amplitude of the peak output voltage, Vpo appearing across the load., calculate the average DC voltage appearing across the load, calculate the DC current in mA drawn by the load.
- 2. An AC voltmeter uses a bridge rectifier with silicon diodes and a PMMC instrument with FSD = 75 µA. If the meter coil resistance is 900 Q and the multiplier resistor is 708 k2, calculate the applied rms voltmeter when the voltmeter indicates FSD.Exe 1. A half-wave rectifier has a source of 120 V rms at 60 Hz and an R-L load with R=10 Ω and L= 10 mH.Determine, an expression for the load current, the average current, the power absorbed by the resistor, and the power factor. Hint: Beta=3.5 RadA sinusoidal voltage of 48v, 60 Hz is applied to a half-wave rectifier with dynamic resistance of the diode of .001ohms turns ratio (3:1). Calculate the DC and RMS currents flowing through the load(R=210 ohms). Also calculate the dc output power developed, ac – input power supplied, rectification efficiency, and ripple factor.
- Design rectifier circuits to provide an output of100 VDC using a half wave rectifiercalculate the transformer peakvoltage rating, the diode PIV ratings, and thetransformer turns ratio, if power is taken fromthe 220V line ac supply.Find the performance parameters (FF, RF and n) for the Single phase bridge uncontrolled rectifier with RL load. If the phase voltage: Vph(t) = Vm sin(wt). Draw the circuit diagram and sketch the voltages and current waveforms.Given the circuit below, calculate the required Rs and the maximum power for the Zener diode. Rs(ohms), Pzm(Watts)
- Design rectifier circuits to provide an output of100 VDC using a.) HWR b.) Center-tappedFWR and c.) Bridge-Type FWR circuits. For each circuit, calculate the transformer peakvoltage rating, the diode PIV ratings, and thetransformer turns ratio, if power is taken fromthe 220V line ac supplyFor the Zener regulated power supply a shown, the rms value of vI is 15V, the operating frequency is 60Hz, R =100Ω, C =1000μF, the on voltage of diodes D1 and D2 is 0.75V, and the Zener voltage of diode D3 is 15V.(a)What type of rectifier is used in this power supply circuit?(b) What is the dc voltage at V1? (c) What is the dc output voltage VO?(d)What is the magnitude of the ripple voltage at V1? (e) What is the minimum PIV rating for the rectifier diodes? (f) Draw a new version of the circuit that will produce an output voltage of−15 V.If a diode full wave rectifier circuit is excited by an ac source with an amplitude of 10 V and angular frquency of 100 rad/sec, then what will be the amplitude of the dc voltage obtained at the output of the rectifier? Assume no filter circuit is used.