3. Two transformers A and B give the following test results. With the low-tension side short-circuited, A takes a current of 10 A at 200 V, the power input being 1000 W. Similarly, B takes 30 A at 200 V ; the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200 when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel on both high tension and low tension sides Calculate the current and power in each transformer when supplying a load of 200 A at 0.8 power factor lagging. The no-load currents may be neglected. (Hint: Calculate Z, and Z from S.C. test data) [1-50.5 A, P-100 kW; 1-151 A, P-252 kW] (London University)
3. Two transformers A and B give the following test results. With the low-tension side short-circuited, A takes a current of 10 A at 200 V, the power input being 1000 W. Similarly, B takes 30 A at 200 V ; the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200 when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel on both high tension and low tension sides Calculate the current and power in each transformer when supplying a load of 200 A at 0.8 power factor lagging. The no-load currents may be neglected. (Hint: Calculate Z, and Z from S.C. test data) [1-50.5 A, P-100 kW; 1-151 A, P-252 kW] (London University)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Please help me solve question 3 below. Please provide a clear and readable solution. Thanks in advance!!! The course subject is Electrical Machines 2.
NOTE: The answers are given below. Please provide the solution. If the answer given below is wrong, please give the correct answer. Thanks a lot!!!
![3. Two transformers A and B give the following test results. With the low-tension side short-circuited,
A takes a current of 10 A at 200 V, the power input being 1000 W. Similarly, B takes 30 A at 200 V
; the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200
when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel
on both high tension and low tension sides Calculate the current and power in each transformer when
supplying a load of 200 A at 0.8 power factor lagging. The no-load currents may be neglected.
(Hint: Calculate Z and Z from S.C. test data)
[L-50.5 A, P-100 kW; I - 151 A, P-252 kW] (London University)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc7943fae-eca6-43c1-8ab1-3c716e641f7d%2F5deb2018-2449-4675-b86b-a23cbfad7dd2%2F9wwxr1l_processed.png&w=3840&q=75)
Transcribed Image Text:3. Two transformers A and B give the following test results. With the low-tension side short-circuited,
A takes a current of 10 A at 200 V, the power input being 1000 W. Similarly, B takes 30 A at 200 V
; the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200
when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel
on both high tension and low tension sides Calculate the current and power in each transformer when
supplying a load of 200 A at 0.8 power factor lagging. The no-load currents may be neglected.
(Hint: Calculate Z and Z from S.C. test data)
[L-50.5 A, P-100 kW; I - 151 A, P-252 kW] (London University)
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