Qn. 1) A full wave rectifier circuit converts a 120 V(rms), 1-phase, 60 Hz sinusoidal AC to DC.Assuming a highly inductive R-L load with R = 5 N, calculate: (i) load power, (ii) RMS value ofthe voltage across the inductor, L and (iii) RMS value of current drawn from the grid.Qn. 2) You are going to design a PWM rectifier for a high power EV charger using a 3-phase 2-level structure. Grid is a 3-phase 480 V(L-L), 60 Hz AC. Grid interface inductor (Lf) is 100 µH andswitching frequency is 10 kHz. Charging power is 400 kW. Assume that DC bus voltage variesfrom 850 V to 925 V. What will be the required rectifier phase angle with respect to the grid andrange of modulation index of the rectifier if it is desired to have unity power factor at the grid?What will be the change required in this control if the grid is 50 Hz instead of 60 Hz? |

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Qn. 1) A full wave rectifier circuit converts a 120 V(ms), 1-phase, 60 Hz sinusoidal AC to DC. Assuming a highly inductive R-L load with R = 5 2, calculate: (i) load power, (ii) RMS value of the voltage across the inductor, L and (iii) RMS value of current drawn from the grid. Qn. 2) You are going to design a PWM rectifier for a high power EV charger using a 3-phase 2- level structure. Grid is a 3-phase 480 V(L-L), 60 Hz AC. Grid interface inductor (L) is 100 µH and switching frequency is 10 kHz. Charging power is 400 kW. Assume that DC bus voltage varies from 850 V to 925 V. What will be the required rectifier phase angle with respect to the grid and range of modulation index of the rectifier if it is desired to have unity power factor at the grid? What will be the change required in this control if the grid is 50 Hz instead of 60 Hz? I

Qn. 1) A full wave rectifier circuit converts a 120 V(ms), 1-phase, 60 Hz sinusoidal AC to DC. Assuming a highly inductive R-L load with R = 5 2, calculate: (i) load power, (ii) RMS value of the voltage across the inductor, L and (iii) RMS value of current drawn from the grid. Qn. 2) You are going to design a PWM rectifier for a high power EV charger using a 3-phase 2- level structure. Grid is a 3-phase 480 V(L-L), 60 Hz AC. Grid interface inductor (L) is 100 µH and switching frequency is 10 kHz. Charging power is 400 kW. Assume that DC bus voltage varies from 850 V to 925 V. What will be the required rectifier phase angle with respect to the grid and range of modulation index of the rectifier if it is desired to have unity power factor at the grid? What will be the change required in this control if the grid is 50 Hz instead of 60 Hz? I

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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