A three-phase two winding transformer is rated 1200MVA, 24/345kV 50Hz. It has a leakage reactance of 0.2pu. The winding resistance and exciting current are to be neglected. To the secondary is connected a 1000MVA load at 0.9pf lag at 340kV. Determine the voltage at the primary of the transformer if a) the primary of the transformer is star connected and the secondary is also star connected b) the primary of the transformer is deita connected and the secondary is star connected.
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.
A three-phase two winding transformer is rated 1200MVA, 24/345kV 50Hz. It has a leakage reactance of 0.2pu. The winding resistance and exciting current are to be neglected. To the secondary is connected a 1000MVA load at 0.9pf lag at 340kV. Determine the voltage at the primary of the transformer if
a) the primary of the transformer is star connected and the secondary is also star connected
b) the primary of the transformer is deita connected and the secondary is star connected.
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