Two transformers A and B give the following test results. With the low-tension side short-circuited, A takes a current of 10 A at 200 V, the power input being 1000 W. Similarly, B takes 30 A at 200 V; the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200 when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel on both high tension and low-tension sides Calculate the current and power in each transformer when supplying a load of 200 A at 0.8 power factor lagging. The no-load currents may be neglected
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.
Two transformers A and B give the following test results. With the low-tension side short-circuited, A takes a current of 10 A at 200 V, the power input being 1000 W. Similarly, B takes 30 A at 200 V; the power input being 1,500 W. On open circuit, both transformers give a secondary voltage of 2200 when 11,000 volts are applied to the primary terminals. These transformers are connected in parallel on both high tension and low-tension sides Calculate the current and power in each transformer when supplying a load of 200 A at 0.8 power factor lagging. The no-load currents may be neglected (Hint: Calculate ZA and ZB from S.C. test data) Answer [LA = 50.5 A, PA = 100 kW; IB = 151 A, PB = 252 kW]
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