Q1) A 3-phase, half-wave thyristor rectifier feeds a resistive load. The load resistance is 80 2 and the supplyvoltage is 220 volts per phase, 50HZ. Calculate the mean values of the load voltage and current if thedelay angle a is 30°. Then, sketch the block diagram of the circuit.Q2) A 3-phase, half-wave thyristor converter is connected through a voltage source 150 V as input voltageand used to supply resistive load of 10 2. Determine rsm voltage, rms current, ripple factor anddissipated power in the resistor R. If a = 45° and f = 50 Hz.Q3) A 3-phase half-wave controlled supplies a resistive load of 100 2 from a 380V, 50 Hz supply. Calculatethe average load voltage, the average load power, the operating power factor and the voltage ripplefactor for trigger angles of 45° and 90°.Q4) A single-phase controlled rectifier bridge consists of two SCR and two diodes as shown in Fig 1. Sketchthe output voltage waveform for a firing angle of a for the SCR and hence obtain an expression for theaverage output voltage.ioT1D3RVoig2DaT2Fig. 1. Single-phase rectifier.Discuss the operation of fully controlled converter with R load with necessary waveforms. if the voltagesource Vs is 230 V at 50 Hz, find the rms output voltage, dc output voltage, and dissipated power in theresistor R when the firing angle a = 60° and R = 25 Q.

Q1) A 3-phase, half-wave thyristor rectifier feeds a resistive load. The load resistance is 80 2 and the supply voltage is 220 volts per phase, 50HZ. Calculate the mean values of the load voltage and current if the delay angle a is 30°. Then, sketch the block diagram of the circuit.

Q1) A 3-phase, half-wave thyristor rectifier feeds a resistive load. The load resistance is 80 2 and the supply voltage is 220 volts per phase, 50HZ. Calculate the mean values of the load voltage and current if the delay angle a is 30°. Then, sketch the block diagram of the circuit.

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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