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.Q3) A. A three-phase, half-wave uncontrolled rectifier shown in Fig.3 contains three ideal diodes and isThree-phasesupplystar-connectedVhnAT, AT TiRTTTFig 2L

d) Output voltage and current waveform: EXPLANATION Question 2: Three-Phase Full-Wave…

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-wave half-controlled rectifier bridge circuit is operating at a delay angle 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 is 15 A at 200 V. It is required to: 70 (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) Obtain the recovery angle while the converter in operating in the inversion mode with 15 A, 200 V d.c. input. (e) Obtain the firing angle for the conditions in (d). odi dir d) Draw the output voltage and current
Q-2 A Cockcroft-Walton type voltage multiplier has Seven stages with capacitances, all equal to 0.3 µF. The supply transformer secondary voltage is 150 kV at a frequency of 100 Hz. If the load current to be supplied is 3 mA, find (a) the percentage ripple, (b) the regulation, and (c) the optimum number of stages for minimum regulation or voltage drop (d) the maximum output voltage.
3.16 A three-phase, full-wave half-controlled rectifier bridge circuit is operating at a delay angle 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 is 15 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) Obtain the recovery angle while the converter in operating in the inversion mode with 15 A, 200 V d.c. input. (e) Obtain the firing angle for the conditions in (d). [Ans: (a) 4.5 V, (b) 450 V, (c) 1.06°, (d) 67.14°, (e) 111.8°]
QUESTION 3 is dc -Lac 0 f(t) = Ide T If ripple-free load current in steady-state is assumed, the input current is waveform of the single-phase full-wave rectifier may then be depicted as shown in the figure above for an ideal input transformer. With the assumption that the supply is ideal and perfectly smooth and ripple free load current, which implies an infinitely large load inductance, it is quite straightforward to obtain an analytical expression for the input current harmonics. The rectangular wave is defined as de 270 when 0< t < π when_π
A three-phase, full-wave half-controlled rectifier bridge circuit is operating at a delay angle α = 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 is 15 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) Obtain the recovery angle while the converter in operating in the inversion mode with 15 A, 200 V d.c. input.odi (e) Obtain the firing angle for the conditions in (d). d) Draw the output voltage and current Van Vbn Ven tb is AT, ATS STS ти
High voltage
Q2) A 3-phase, half-wave thyristor converter is connected through a voltage source 150 V as input voltage and used to supply resistive load of 10 2. Determine rsm voltage, rms current, ripple factor and dissipated power in the resistor R. If a = 45° and f = 50 Hz. %3D
A half-wave rectifier circuit has an input voltage of 60V for the entire swing of the input signal from the secondary winding of the transformer. If the load resistance is 900 and a shunt capacitor is connected therein: 1. Draw the circuit 2. Solve the following unknown values. a. The peak voltage V b. the average output voltage Volave) c. the average load current lolavel, d. the rms load voltage Volcms), e. the rms load current loma) f. the ripple factor RF of the output voltage, g. the rms ripple voltage Vrirms) h. the average diode current ID(ave) i. the rms diode current Ipicms), j. the peak inverse voltage PIV of the diode, k. the average output power Polac 1. the DC output power Po(de) m.the frequency fr of the output ripple voltage, n. the input power factor PF.
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 Vpc and the output AC component VAc are 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: VDC = Vm(4FRC – 1)/4ƒRC) VAC = Vm/(4/2ƒRC) Select one: O a. 63.39uF O b. 33.2uF O c. 93.39UF O d. 126.2uF TOSHIBA
Question-3 Can you throw the emergency solution? I would appreciate it if you write legibly.
C. A single phase full converter feeding RL load has the following data: source voltage 230V(RMS), SOHZ.R-2.52 L=very large, firing angle -30"f the load inductrance is large enough to make the load current constant then i Sketch the time variation of sounce voltage source current, load voltage, load current current through one thyristor and voltage across it H. Compute the average value of load voltage and load current, Derive the formula.
A single-phase center-tapped transformer rectifier has an ac source of 240 V rms and 60 Hz. The overall transformer turns ratio is 3:1 (80 V between the extreme ends of the secondary and 40 V on each tap). The load is a resistance of 462 Ω. Determine (a) the average load current, (b) the rms load current, (c) the average source current, and (d) the rms source current. Sketch the current waveforms of the load and the source

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