A 3-phase transformer is assembled by connecting three 720 -VA, 360/120 V single phase transformers in Y-delta connection. The constants for each transformer are. On HV side R₁=18.9 ohm X₁= 21.6 ohm On low voltage side R₂= 2.1 ohm X₂ = 2.4 ohm Obtain per phase equivalent circuit of this 3-phase transformer. What is the line-voltage rating and VA rating of the 3-phase transformer? HINT: convert to Y first If the secondary side is connected to a load which draws half of rated current at 0.5 power factor at rated voltage, what is the line voltage applied to the 3-phase 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.