apparent power of a transformer is given as S = 150 MVA, its conversion ratio 13.5 kV / 55 kV and short circuit reactance x = 0.2 pu. What will be the new value of the short circuit reactance of
apparent power of a transformer is given as S = 150 MVA, its conversion ratio 13.5 kV / 55 kV and short circuit reactance x = 0.2 pu. What will be the new value of the short circuit reactance of
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 30SQ
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The apparent power of a transformer is given as S = 150 MVA, its conversion ratio 13.5 kV / 55 kV and short circuit reactance x = 0.2 pu. What will be the new value of the short circuit reactance of the transformer for 66 kV 100 MVA base values?
Transcribed Image Text:4- Bir transformatörün görünür gücü S-150MVA ve dönüştürme oranı 13.5 kV/55 kV ve kısa devre reaktansı x=0,2pu
olarak verilmiştir. 66 kV 100 MVA baz değerleri için transformatörün kısa devre reaktansının yeni değeri ne olur?
a) O x-0,20833 pu
b) O x=0,46296 pu
190320
)O x=0,192 pu
d) O x=0,9259 pu
e) O x=0,046296 pu
DO x=0,09259 pu
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