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StevensonPflow.dss
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StevensonPflow.dss
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Clear
// Power flow example from Stevenson 2nd Ed, p.219-225
New Circuit.Stevenson1
~ bus1=1 Basekv=(115 3 sqrt /) pu=1.02 phases=1 mvasc3=1000000 1000000
set cktmodel=pos
! Lines in ohms @ 115 kV
New Line.1-2 phases=1 Bus1=1 Bus2=2 R1=13.225 X1=52.9 c1=0 Length=1
New Line.1-4 phases=1 Bus1=1 Bus2=4 R1=19.8375 X1=79.35 c1=0 Length=1
New Line.1-5 phases=1 Bus1=1 Bus2=5 R1=6.6125 X1=26.45 c1=0 Length=1
New Line.2-3 phases=1 Bus1=2 Bus2=3 R1=6.6125 X1=26.45 c1=0 Length=1
New Line.2-4 phases=1 Bus1=2 Bus2=4 R1=13.225 X1=52.9 c1=0 Length=1
New Line.3-5 phases=1 Bus1=3 Bus2=5 R1=6.6125 X1=26.45 c1=0 Length=1
New Generator.Bus3 phases=1 bus1=3 kV=(115 3 sqrt /) kW=(100000 3 /) model=3 Vpu=1.04 maxkvar=20000 minkvar=-15000
~ PVFactor=0.5 ! default is 0.1; This is faster.
! ~ debug=yes
New load.Bus2 phases=1 bus1=2 kV=(115 3 sqrt /) kW=(60000 3 /) kvar=(30000 3 /) vmin=0.9
New load.Bus4 phases=1 bus1=4 kV=(115 3 sqrt /) kW=(40000 3 /) kvar=(10000 3 /) vmin=0.9
New load.Bus5 phases=1 bus1=5 kV=(115 3 sqrt /) kW=(60000 3 /) kvar=(20000 3 /) vmin=0.9
Set voltagebases=[115]
calcv
set maxiterations=30
solve
Show Powers MVA Elements
Show Voltage LN Nodes
show mismatch
Show convergence
Show Power MVA