Solved Problems: Single-Phase Transformers Problem 1 A 19.2 KVA, 19200/480-V, 60 Hz, single-phase transformer is tested with the following results: Open-circuit test (measured from Low-voltage side ) Short-circuit test (measured from high-voltage side ) Vsc = 1150V Voc = 480 V Ioc = 1.25 A Isc = 1.00A %3D Poc = 160W Psc = 190W a- Calculate and Sketch the equivalent circuit of this transformer when referred to its low-voltage side. The transformer is now loaded: 15 KW load, 0.9 lagging PF, and a load voltage of 450 V. b- Find the voltage on the high-voltage side of the transformer. c- Find the voltage regulation of this 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.