AC input= 120V rms. Transformer Ratio = 15:1. Reference Voltage = 6.3V. Rload = 56 Ohms. Ambient temperature (TA) - 25 degrees C. Vpeak 2N3904 Transistor Regulated Output R load AC Input Reference Voltage How much power is dissipated by the transistor? How much current is flowing in the transformer primary winding? Of the regulator types discussed in class, what type of regulator is this? (be speci ell Leeet

AC input= 120V rms. Transformer Ratio = 15:1. Reference Voltage = 6.3V. Rload = 56 Ohms. Ambient temperature (TA) - 25 degrees C. Vpeak 2N3904 Transistor Regulated Output R load AC Input Reference Voltage How much power is dissipated by the transistor? How much current is flowing in the transformer primary winding? Of the regulator types discussed in class, what type of regulator is this? (be speci ell Leeet

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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Similar questions

Single phase half wave AC-AC converter has a resistance of R = 50 ohms. Input voltage is given as 230 Vrms. Transformer conversion ratio is 1:1. If T1 thyristor is triggered at 60 degrees; a)Rms output voltage? b)Output power? c)RMS load current and average load current? d)Input power factor? e)Average and RMS thyristor current?
4.) A transformer has a primary coil with 300 windings, and secondary coil has 400 windings. The input AC power supply is 120 volts (Vrms). A) Is this a step-up or step-down transformer? B) What is the rms voltage across the output terminals (Vrms)? C) What is the peak voltage across the output terminals (Vmax)? Primary Secondary imm ac input
Q2/ Fill in the blanks: 1- The two windings of a transformer is linked. ***** 2- If a transformer primary is energized from a square wave voltage source, its output voltage will be.......... 3- The primary winding of a 220/6 V, 50 Hz transformer is energized from 110 V, 60 Hz supply. The secondary output voltage will be ...... V.
Determine the regulation of a transformer in which thepercentage resistance drop is 1% and the percentagereactance drop is 5% when the power factor 0.8 leading.
Sap ID=8925
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If the output voltage across the transformer secondary coil is Vm AC volt. a- Give a circuit to covert the Vm AC volt. to double Vm DC volt. b- Determine the voltage across each capacitor during the positive half cycle of the AC signal. c- Determine the voltage across each capacitor during the negative half cycle of the AC signal.
Q4. A switch-mode power supply is to be designed with the following specifications: Va = 47 V + 10% Vo = 5 V Switching freq. f, = 100 kHz Pioad= 15 – 45 W A forward converter operating in a continuous-conduction mode with a demagnetizing winding (N3=N1) is chosen. Assume all components to be ideal except for the presence of transformer magnetization inductance. a. Calculate N/N1 if this turns ratio is desired to be as small as possible. b. Calculate the minimum value of the filter inductance.
Difference between sc and oc test in transformer...
A single-phase full-wave controlled rectifier using center tap transformer is fed from a 220 V, 50 Hz ac source and it is connected a resistive load R= 20 Q. Determine (a) draw circuit diagram, (b) the output voltage and current, (c) form factor, (d) ripple factor, (e) efficiency. Consider delay angle is a = 45° and turn ratio of transformer is 5:1.
3. A three phase bridge rectifier is supplied by 380 Volt line voltage through a Star/delta connected transformer of which turns ratio is 1. The firing delay angle is a=30° and the load is resistive R=2.2 Ohm. Draw the circuit diagram and mark the followings on this figure : average values of output voltage, the currents and voltages of each transformer leg.
h) Explain the methods of voltage control used in AC-AC converters.