Q.1: The following data refer to a single-phase trans former: Turn ratio (2:1). R1=2.4n, X-5.5 n. R-0.6n. X-1.7n. The no-load current 1.5A leading the flux (@) by 25". The primary current is 16A and the input voltage is 372V and power input factor 0.65 kagging. Determine by aid of a vector diagram. (i) the load voltage and current, (ii) the load power factor, (iii) the effic iency.

Q.1: The following data refer to a single-phase trans former: Turn ratio (2:1). R1=2.4n, X-5.5 n. R-0.6n. X-1.7n. The no-load current 1.5A leading the flux (@) by 25". The primary current is 16A and the input voltage is 372V and power input factor 0.65 kagging. Determine by aid of a vector diagram. (i) the load voltage and current, (ii) the load power factor, (iii) the effic iency.

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 3.31MCQ

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