(a) You are given THREE (3) single phase power transformers in which the specifications are s are provided in Table Q4(a). As the Lead Engineer, you are required to identify any suitable transformer that meet the requirement of secondary current which should be in the range between 800 A and 1600 A. Provide any relevant reason to support your selection. Assume that these transformers will be operating at power frequency under a full load condition. Table Q4(a) Voltage Power Number of Number of Maximum Flux Transformer Rating Rating Primary Secondary Density (Wb) (V) (kVA) Windings Windings 1 3000/150 120 1000 50 Increasing 2 3000/150 180 2000 100 Trend 3 3000/150 240 3000 150 (b) Considering the specifications given in Table Q4(a), determine the range of primary current that suit the range of secondary current given in Q4(a).

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A: Ans.(1). Value of 'β=10'

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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.