2. A 20 KVA, 440 /220 V single phase 50 hz transformer has an iron loss of 324 W. The copper loss is found to be 100 w, when delivering half full load current. Determine: a. Eff. at full load 0.8 pf lag'g b. % of full load when Efficiency is max.

2. A 20 KVA, 440 /220 V single phase 50 hz transformer has an iron loss of 324 W. The copper loss is found to be 100 w, when delivering half full load current. Determine: a. Eff. at full load 0.8 pf lag'g b. % of full load when Efficiency is max.

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 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...

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Rush, help me solve this one

2. A 20 KVA, 440 /220 V, single phase 50 hz transformer has an iron loss of 324 W. The copper loss
is found to be 100 w, when delivering half full load current.
Determine:
a. Eff. at full load 0.8 pf lag'g
b. % of full load when Efficiency is max.

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