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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![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3512ae21-7894-4ead-9a9d-a4c1ec40b8ea%2F8bc92c5c-51a6-4eb1-a7d4-9a5edf569a93%2F6fcbxdu_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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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