Calculation of short-circuit currents in the system HV, including the determination of some minimum number of short-circuiting sets
ATTENTION - instead of a decimal comma should be used decimal DOT !
Input values
Nominal power of transformer
S
tr
=
MVA
Sekundární napětí transformátoru (sdruľené)
U
sek
=
35 kV
22 kV
10 kV
Short-circuit voltage of transformer
u
k
=
%
c=
1.1
1.0
Reactance of lines
X
v
=
ohm/km