b)Look at FIG 1, which is the heating curves for a 600 kVA transformer. Copy it and mark on it for your answer .i)Identify the safe continuous temperature for this machine ii)How long would it take for the transformer temperature to rise by 50°C if it were running at 750 kVA? iii)If the ambient temperature were lower, what would happen to the time in ii)? iv)Draw on the diagram the time it would take for the machine to be at an unsafe temperature when pulling 750 kVA.

b)Look at FIG 1, which is the heating curves for a 600 kVA transformer. Copy it and mark on it for your answer .i)Identify the safe continuous temperature for this machine ii)How long would it take for the transformer temperature to rise by 50°C if it were running at 750 kVA? iii)If the ambient temperature were lower, what would happen to the time in ii)? iv)Draw on the diagram the time it would take for the machine to be at an unsafe temperature when pulling 750 kVA.

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

Chapter5: Transmission Lines: Steady-state Operation

Section: Chapter Questions

Problem 5.44P

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