QUESTION EIGHTA 3-phase to single-phase cycloconverter employs a 6-pulse bridge circuit. This device is fedfrom 400 V, 50 Hz supply through a delta/star transformer whose per-phase turns ratio is 3/1. Foran output frequency of 2 Hz, the load reactance is woL = 30. The load resistance is 4 02. Thecommutation overlap and thyristor turn-off time limit the firing angle in the inversion mode to165°. Compute (a) peak value of rms output voltage (b) rms output current and (c) output power.

3-phase to single-phase cyclo converter,Input voltage = 400 VFrequency = 50 HzTurns ratio =…

A 3-phase to single-phase cycloconverter employs a 6-pulse bridge circuit. This device is fed from 400 V, 50 Hz supply through a delta/star transformer whose per-phase turns ratio is 3/1. For an output frequency of 2 Hz, the load reactance is woL = 32. The load resistance is 4 . The commutation overlap and thyristor turn-off time limit the firing angle in the inversion mode to 165°. Compute (a) peak value of rms output voltage (b) rms output current and (c) output power.

A 3-phase to single-phase cycloconverter employs a 6-pulse bridge circuit. This device is fed from 400 V, 50 Hz supply through a delta/star transformer whose per-phase turns ratio is 3/1. For an output frequency of 2 Hz, the load reactance is woL = 32. The load resistance is 4 . The commutation overlap and thyristor turn-off time limit the firing angle in the inversion mode to 165°. Compute (a) peak value of rms output voltage (b) rms output current and (c) output power.

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

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.32MCQ

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