2. Find the primary apparent power and the transformer turns ratio for the system below. 43.3kV иш ли eff=0.96 m 300V www ши m ли 20hp pf=0.8
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.
Given data:
input voltage V1 = 43.3 kV =(VL=Vph)
Since in delta line voltage is same as phase voltage.
V2= 300 volts
Load rating PL= 20 hp
=20×745.7=14914 watts
Load power factor cosΦL= 0.8
Transformer efficiency=0.96
Asked to find
1. Primary apparent power
2. Transformer turns ratio
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