Please write all the formulas clearly for each case first, then solve the question by hand on paper and send a clear photo of the solution. Thanks a lot A three-phase bridge-inverter is fed from a d.c. source of 200 V. If the load is star-connected of 10 02/phase pure resistance, determine the RMS load current, the required RMS current rating of the thyristors and the load power for (i) 120° firing, and (ii) 180° firing. [Ans (i) 120° firing IL (rms) = 8.16 A, IT(rms) = 9.8 A. Load power = 2000 W. (ii) 180° firing IL (rms) = 9.43 A, IT (rms) = 6.67 A. Load power = 2667 W.]

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
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.4P
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Please write all the formulas clearly for
each case first, then solve the question
by hand on paper and send a clear
photo of the solution. Thanks a lot
A three-phase bridge-inverter is fed from a d.c. source of 200 V. If the
load is star-connected of 10 02/phase pure resistance, determine the RMS
load current, the required RMS current rating of the thyristors and the load
power for (i) 120° firing, and (ii) 180° firing.
[Ans (i) 120° firing IL (rms) = 8.16 A, IT(rms) = 9.8 A. Load power = 2000 W.
(ii) 180° firing IL (rms) = 9.43 A, IT (rms) = 6.67 A. Load power = 2667 W.]
Transcribed Image Text:Please write all the formulas clearly for each case first, then solve the question by hand on paper and send a clear photo of the solution. Thanks a lot A three-phase bridge-inverter is fed from a d.c. source of 200 V. If the load is star-connected of 10 02/phase pure resistance, determine the RMS load current, the required RMS current rating of the thyristors and the load power for (i) 120° firing, and (ii) 180° firing. [Ans (i) 120° firing IL (rms) = 8.16 A, IT(rms) = 9.8 A. Load power = 2000 W. (ii) 180° firing IL (rms) = 9.43 A, IT (rms) = 6.67 A. Load power = 2667 W.]
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