9- An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core loss of 1.4 kW and full-load Cu loss of 1.6 kW. Determine (a) the kVA load for maximum efficiency (b) the efficiency at half full-load at 0.8 power factor lagging.
9- An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core loss of 1.4 kW and full-load Cu loss of 1.6 kW. Determine (a) the kVA load for maximum efficiency (b) the efficiency at half full-load at 0.8 power factor lagging.
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 3.11P: For the transformer in Problem 3.10. The open-circuit test with 11.5 kV applied results in a power...
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![9- An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core
loss of 1.4 kW and full-load Cu loss of 1.6 kW. Determine (a) the
kVA load for maximum efficiency (b) the efficiency at half full-load
at 0.8
power factor lagging.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7a5738f2-2739-4b5d-8db9-47bb0d902337%2F547cbde9-c84f-45d7-9067-71fd501012f9%2Ftz09lyt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9- An 11,000/230-V, 150-kVA, 50-Hz, 1-phase transformer has a core
loss of 1.4 kW and full-load Cu loss of 1.6 kW. Determine (a) the
kVA load for maximum efficiency (b) the efficiency at half full-load
at 0.8
power factor lagging.
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