A 20-kVA 8000/480-V distribution transformer has the following resistances and reactances: R, = 32N R =0.05 2 X, = 45N X =0.06 Q %3D R. = 250 kN XM = 30 k2 The excitation branch impedances are given referred to the high-voltage side of the transformer. (a) Find the equivalent circuit of this transformer referred to the high-voltage side. (b) Find the per-unit equivalent circuit of this transformer. (c) Assume that this transformer is supplying rated load at 480 V and 0.8 PF lagging. What is this transformer’s input voltage? What is its voltage regulation?

Q: A single phase transformer has turns ratio of 4. The resistance and reactance of the primary winding…

A:

Q: A long line with A = D = 0.9 1.5° and B = 150 65° has at the load end a transformer having series…

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Q: 4. Define voltage regulation of a transformer? 5. Full load copper loss in a transformer is 1600W.…

A: Since you have posted multiple questions , we will provide the solution only to the first three…

Q: 1. A 2.4-kVA, 2400/240-V, 50-Hz, the step-down transformer has the following parameters: : RH =…

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Q: 3. A 3200/400 single-phase transformer has winding resistance and reactance of 30 and 132…

A: In this question,  We need to determine the equivalent terms in primary side and secondary side.

Q: Consider the circuit in the figure below: a) What are the benefites of using the transformer in this…

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Q: Two transformers A and B of different ratings but equal voltage ratios share a load of 900 kVA at…

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Q: Draw an equivalent circuit for a real transformer. Briefly discuss the reason that each element…

A: Given: To draw an equivalent circuit for a real transformer and its elements is described as:

Q: A transformer with a 10/1 turns ratio has a maximum flux density of 60,000 lines/in2, when the…

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Q: What are the advantages of Delta connection in high power transformer?

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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.