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 5- The imaginary component of no load current for transformer is responsible for the consumption of iron loss
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 5- The imaginary component of no load current for transformer is responsible for the consumption of iron loss
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 3.65P: Reconsider Problem 3.64 with the change that now Tb includes both a transformer of the same turns...
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![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
5- The imaginary component of no load current for transformer is responsible for the
consumption of iron loss](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F979a724b-b64d-4ce4-bd52-70140f3382c9%2Fd03441b8-2964-408b-9780-21ab98c448cb%2Fwjppnzd_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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
5- The imaginary component of no load current for transformer is responsible for the
consumption of iron loss
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