How to take the Vector Group Test in Transformer? What is
the purpose of doing Vector Group Test?
Answer Posted / arun
we can check the transformer vector group and polarity of
tansformer.ex.Dyn11 in name plate .11 "o" position we are
check th tansfomer
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3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
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