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Draw the full sequence networks interconnected for a SLG fault at bus 3. Find the fault phase currents in p. and the phase current contributions in...

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Draw the full sequence networks interconnected for a SLG fault at bus 3. Find the fault phase currents in p.u. and the phase current contributions in p.u. from the grid as measured at bus 1 and the generator as measured at bus 4. Find the post faullt voltage in p.u. at bus 1 and bus 4.


Screenshot (537).pngScreenshot (538).png

Screenshot (537).png

Screenshot (538).png

The single line diagram shows a svnchronous generator (3 connected to a large 51“.] Hz grid via its unit
transformer T and a network of three transmission lines. Relevant details of the grid, transformer,
generator and overhead lines are provided in Tables l=£ II, III 3: IV respectivelv. —» IUrHvl w
3, Table Iv n12 TL13
Transmission lines --
lunl or my
ms-
—m TL23
mn- nu
us- 0.4
1.2

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