Engineering, 11.03.2020 21:13 genyjoannerubiera
Assume a voltampere-base S3b = 100 MVA and a line-to-neutral voltage base Vb = 7.5 kV. Find the current base Ib. Also, by using this information per-unitize the phasors V˜ as and ˜Ias, e. g., V˜ as, u = V˜ as/Vb.
Answers: 3
![\(\therefore\) Power, \(P(t)=v(t) I(t)\)$$\begin{array}{l}=[7.5 \cos \omega t][\cos (\cot -\pi / 6)] \times 10^{6} w \\=7.5 \cos ^{2}(2 \omega t-\pi / 6)+7.5 \cos \left(\pi_{6}\right) MW \\=3.75+7.5 \cos (2 \omega t-\pi / 6) \quad MW\end{array}$$](/tpl/images/0543/2207/a8d6f.png)
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Assume a voltampere-base S3b = 100 MVA and a line-to-neutral voltage base Vb = 7.5 kV. Find the curr...
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