Embed Size (px)
DESCRIPTION
Beregninsskema til beregning af kortslutningsstrømme fra forsyningsnet til forbruger. Kan godt bruges i forbindelse med den teoretiske del af El-Installatøruddannelsen
Citation preview
Net
U [V] cos(phi) minS,k,max cos(phi) maxZ,N,min #DIV/0!
U [V]S,k,minZ,N,max #DIV/0!
UI,k,min [kA]Z,N,max #DIV/0!
UI,k,max [kA]Z,N,min #DIV/0!
Trafo
U [V]ekSN [kVA]Z,T #DIV/0!
erR,T #DIV/0!
X,T #DIV/0!cos (phi) #DIV/0!
Sum R,max #DIV/0! Sum R,minSum X,max #DIV/0! Sum X,min
Ikmin [kA] #DIV/0! Ikmax [kA]
SL
Ledning (20°C) Ledning (70°C)
r [ohm/km] r [ohm/km]x [ohm/km] x [ohm/km]l [m] l [m]
R [mOhm] 0 R [mOhm] 0X [mOhm] 0 X [mOhm] 0
Summa R #DIV/0! Summa R #DIV/0!Summa X #DIV/0! Summa X #DIV/0!
Ikmax [kA] #DIV/0! Ikmin [kA] #DIV/0!
HL
Ledning (20°C) Ledning (70°C)
r [ohm/km] r [ohm/km]x [ohm/km] x [ohm/km]l [m] l [m]
R [mOhm] 0 R [mOhm] 0X [mOhm] 0 X [mOhm] 0
Summa R #DIV/0! Summa R #DIV/0!Summa X #DIV/0! Summa X #DIV/0!
Ikmax [kA] #DIV/0! Ikmin [kA] #DIV/0!
GL
Ledning (20°C) Ledning (70°C)
r [ohm/km] r [ohm/km]
x [ohm/km] x [ohm/km]l [m] l [m]
R [mOhm] 0 R [mOhm] 0X [mOhm] 0 X [mOhm] 0
Summa R #DIV/0! Summa R #DIV/0!Summa X #DIV/0! Summa X #DIV/0!
Ikmax [kA] #DIV/0! Ikmin [kA] #DIV/0!
TL
Ledning (20°C) Ledning (70°C)
r [ohm/km] r [ohm/km]l [m] l [m]
R [mOhm] 0 R [mOhm] 0
Summa R #DIV/0! Summa R #DIV/0!Summa X #DIV/0! Summa X #DIV/0!
U [V] U [V]
Ikmax [kA] #DIV/0! Ikmin [kA] #DIV/0!
R,N,min #DIV/0!X,N,min #DIV/0!
R,N,max #DIV/0!X,N,max #DIV/0!
Pk [W]I [A]R,T #DIV/0!
#DIV/0!#DIV/0!
#DIV/0!
PE (70°C)
r [ohm/km]x [ohm/km]l [m]
R [mOhm] 0X [mOhm] 0
PE (70°C)
r [ohm/km]x [ohm/km]l [m]
R [mOhm] 0X [mOhm] 0
PE (70°C)
r [ohm/km]
x [ohm/km]l [m]
R [mOhm] 0X [mOhm] 0
PE (70°C)
r [ohm/km]l [m]
R [mOhm] 0
