why trasformer rated in kva
why should have to maintain pf in our site 0.9
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we try to maintain pf unity or ls 1 because in this condition reactive current is zero
app. power = root of ( act. power2 + react. power2)
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Answer / k.prakashchandra
So that, at least 90 % of its capacity will be useful
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Differentiate between Zero and Negative sequence current
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phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this
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We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets.
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Is it necessary to install Lighting Arrester on both side side (i.e HT and LT) of Transformer in a transmission substation? if yes Why on both side?
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