Three 25 kVA 24,000/277 V distribution transformers are connected in A-Y. The open-circuit test was performed on the low-voltage side of this transformer bank, and the following data were recorded: V line,oC = 480 V I line,oC = 4.10 A P 34,00 = 945 W The short-circuit test was performed on the high-voltage side of this transformer bank, and the following data were recorded: V line,sC = 1400 V I line,SC = 1.80 A P 36,sc = 912 W (a) (b) (c) Find the per-unit equivalent circuit of this transformer bank. Find the voltage regulation of this transformer bank at the rated load and 0.90 PF lagging. What is the transformer bank's efficiency under these conditions?

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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.