A 15 kVA, 600/120 V, 0.95 efficient conventional transformer is to be used for to supply power from a 720 V source to a 600 V load at 0.8 PF. Neglect core losses. [SO 2a,b,d] 1. Find the current ratings of the primary and secondary coils of transformer? 2. Sketch the transformer connections. 3. Calculate the maximum input) and output)currents of the autotransformer. 4. Find the S rating of the formed auto-transformer. 5. Calculate the rating advantage of the autotransformer over the conventional transformer. 6. Calculate the efficiency of the auto-transformer
A 15 kVA, 600/120 V, 0.95 efficient conventional transformer is to be used for to supply power from a 720 V source to a 600 V load at 0.8 PF. Neglect core losses. [SO 2a,b,d] 1. Find the current ratings of the primary and secondary coils of transformer? 2. Sketch the transformer connections. 3. Calculate the maximum input) and output)currents of the autotransformer. 4. Find the S rating of the formed auto-transformer. 5. Calculate the rating advantage of the autotransformer over the conventional transformer. 6. Calculate the efficiency of the auto-transformer
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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I need help on questions 4-6.
ALSO dpes Vp=600V and Vs=120V? Or is it Vp=720V and Vs=600V?
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Step 1
In the problem, it is asked to design an auto-transformer whose primary voltage is 720 V and the secondary voltage is 600 V from a 600/120 V conventional transformer.
The current rating of the primary coil of the transformer is determined as:
The current rating of the secondary coil of the transformer is determined as:
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