Q2) A three-phase, full-wave full-controlled rectifier bridge circuit shown in fig(2) is operating at a delayangle a = 67° when supplying full power. The per-phase inductance of the coupled transformer is 2 mH.The input voltage has an rms magnitude of 230 V per phase at 50 Hz. The load current in the d.c. side is15 A at 200 V. It is required to:(a) Obtain the drop in the d.c. voltage due to current overlap.(b) Calculate the rms secondary voltage of the transformer.(c) Calculate the overlap angle.(d) Draw the output voltage and current.i.TiTTsVanThree-phasesupplyiVbnstar-connectediVenTTT:ToFig 2Voi.wwwRL

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Answered: Q2) A three-phase, full-wave…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A three phase full controlled converter is supplied by a phase voltage Vs=120V, 60 Hz. Consider a resistive load R=10 Q. If the RMS value of the output current is equal to 10.94A and the input Volt Ampere VA = 3125VA, then the output power P, and the power factor would be equal to: Select one: a. 3196.84W, 0.772 lagging O b. 1196.84W, 0.382 lagging O c. 3196.84W, 0.382 lagging o d. 1196.84W, 0.772 lagging
For the given circuit below, it operates on a peak-to-peak input voltage of 104.6 V, F = 60 Hz household supply through a step-down transformer with turns N1 = 10 and N2 = 1. %3D Silicon diodes are used with a 1 Kiloohms load. Determine the output peak voltage (in volts). D1 D2 ... AC Input Vsec B (source) D3 D4 Load O 7.32 3.83 6.63 O 3.74 eele
O d. 16W A Capacitor filter is used at the output across the load in order to minimize the ripple factor of the output voltage. The expressions of the average output voltage VDc and the output AC component VACare given below. If R = 1k2 and the single phase bridge rectifier supplied from a 120V - 50 Hz sinusoidal source, then the capacitor value that will maintain the amount of the output ripples to less than 4% would be equal to: VpC = Vm((4FRC – 1)/4fRC) VAC = Vm/(4/2fRC) Select one: a. 126.2uF O b. 93.39uF Oc. 63.39UF O d. 33.2uF TOSHIBA
The dc converter shown in the next figure is used to control power flow from a dc voltage, Vs = 150 V to a battery voltage, E = 250 V. The power transferred to the battery is 30 kW. The current ripple of the inductor is negligible. Determine (a) the duty cycle K, (b) the effective load resistance Req, and © the average input current Is. L Vs + VL iL DI + Chopper E
A step up DC converter is used to control power flow from a DC votage Vs=120V to a battery voltage E=200V. The power transferred to the battery is 10 kW. The current ripple of the inductor is negligible. The duty cycle and the effective load resistance as seen from the input are respectively equal to: Select one: Oa. 0.5, 0.94 Ohms b. 0.4, 1.44 Ohms Oc. None of these O d. 04, 0.94 Ohms
Consider the boost converter shown. Switch Q is operating at 25 kHz with a duty cycle of 0.6. Assume the diode and switch to be ideal. Under steady-state condition, the average resistance R as seen by the source is (Round off to 2 decimal places.) £2. 15 V 1 mH voor Rin k ♫ ▷ 100 uF www 102
Subject : Power electronics Please write handwritten Answer
The three-phase full-wave converter shown below is used to rectify the three phase (Y-connection) source signals. The six Thyristor are triggered in the sequence shown. Sketch for firing angle (a=90°) the output voltage (Vo), the phase current, the current for any two Thyristor in any one leg, and the load current (Ia). Then calculate (a) Thyristor average and r.m.s current. (b) Supply average and r.m.s current. (c) The normalized average output voltage. (d) The maximum output voltage. [Vdc = [1 - cos(60+ a)] Vml T If the line-to-neutral voltages are defined as 11 T, T T STA T. Load I sin od sin() ex-> Solve the question sin(with your own hands the corresponding line-to-line voltages are √31% sin (out + ) ---√(4)
An ideal boost converter is required to have a constant output voltage of 12 V at 24 W load.The input voltage varies from 2.7 to 4.5 V (as in a battery cell). Select a switching frequency of100 kHz. The value of the inductance in the boost converter is 2.2 uH. Determine:(a) The range of duty cycle that the converter will operate with (hint: mode?), and(b) The minimum value of the output capacitance such that the pk-to-pk load voltage rippleis less than 2%.
arning Portal Courses - Reports - e-Services - Academic Departments ETC CIMS - Taher Sal In the given circuit, a step down transformer with an RMS voltage as 110V / 11-0-11 V is used with R = 1 KO. Assume diode as Germanium and the input frequency is F= 50HZ. Vin R D2 1- Name the given circuit. 2- Find The PIV. 3- Find Current trough load resistance. ndov4- Draw the Input and Output wave forms. O E O O A lllee
A fully-controlled single-phase bridge rectifier is supplied from a 50Hz, 230/100V transformer .The rectifier supplying a highly inductive load of 1092 resistor. For a firing angle of 45°, determine the rectified voltage, the rectified current and the power factor.

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