Q3-A)- Indicate whether the following statements are true or false and correct the false statements 1-The efficiency of a transformer at load 0.8 p.f. Lag is more than at load 0.8 p.f. Lead 2- No load current in a transformer lags behind the voltage by about 15° 3- There is no output from the transformer under short-circuit conditions 4-. The full-load copper loss and iron loss of transformer are 800w and 600w respectively, the copper loss and iron loss at half load will be 400w and 300w respectively
Q3-A)- Indicate whether the following statements are true or false and correct the false statements 1-The efficiency of a transformer at load 0.8 p.f. Lag is more than at load 0.8 p.f. Lead 2- No load current in a transformer lags behind the voltage by about 15° 3- There is no output from the transformer under short-circuit conditions 4-. The full-load copper loss and iron loss of transformer are 800w and 600w respectively, the copper loss and iron loss at half load will be 400w and 300w respectively
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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