Day loading duty-cycle profile of a 100 kVA, 2400/240 V, 50 Hz transformer is given below. The SC power loss at rated voltage is 5000 W, and the No-Load power loss at rated voltage is 2000 W. The all-day efficiency of the transformer is: Load (kVA) 100 75 25 PF 0.9 Lag 0.8 Lag 0.6 lag Duration (H) 12 6 6. 92.35 % 86.56 % OneDrive Screenshot saved 96.29 % The screenshot was added OneDrive. 98 34 %
Day loading duty-cycle profile of a 100 kVA, 2400/240 V, 50 Hz transformer is given below. The SC power loss at rated voltage is 5000 W, and the No-Load power loss at rated voltage is 2000 W. The all-day efficiency of the transformer is: Load (kVA) 100 75 25 PF 0.9 Lag 0.8 Lag 0.6 lag Duration (H) 12 6 6. 92.35 % 86.56 % OneDrive Screenshot saved 96.29 % The screenshot was added OneDrive. 98 34 %
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 3.16MCQ: In developing per-unit circuits of systems such as the one shown in Figure 3.10. when moving across...
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