When a closed- delta bank is changed to operate as an open-delta bank, the capacity of the open-delta bank will be only 57.7% of the capacity of the closed-delta bank. That is, each transformer in the open-delta bank can now only be loaded to 86.6% of its actual rating. Verify with an example both ratios:
When a closed- delta bank is changed to operate as an open-delta bank, the capacity of the open-delta bank will be only 57.7% of the capacity of the closed-delta bank. That is, each transformer in the open-delta bank can now only be loaded to 86.6% of its actual rating. Verify with an example both ratios:
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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Three-Phase Transformers
Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.
Transformer
Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.
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Transcribed Image Text:When a closed- delta bank is changed to operate as an
open-delta bank, the capacity of the open-delta bank
will be only 57.7% of the capacity of the closed-delta
bank. That is, each transformer in the open-delta bank
can now only be loaded to 86.6% of its actual rating.
Verify with an example both ratios:
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