master:Line_BusWork_3H parametersPSCAD 3 Conductor Horizontal Bus Bar

Every parameter of the PSCAD 3 Conductor Horizontal Bus Bar (master:Line_BusWork_3H): 12 names, with the unit, the default and the meaning PSCAD gives each one. Copy a name into parameters().

What master:Line_BusWork_3H is

3 Conductor Horizontal Bus Bar (Line Constants 3 Conductor Horizontal Bus Bar), a component of PSCAD's Master Library, filed under lines, cables and towers.

Definition
master:Line_BusWork_3H
PSCAD name
3 Conductor Horizontal Bus Bar
Category
Lines, cables and towers
Parameters
12, in 1 group; 7 carry a unit
Read from
PSCAD 5.0.0, 2026-11-07

Read and write master:Line_BusWork_3H in Python

import mhi.pscad

pscad = mhi.pscad.connect()              # the PSCAD that is open; launch() starts one
project = pscad.project("my_case")       # a case loaded in the workspace

for comp in project.find_all("master:Line_BusWork_3H"):   # the exact definition, namespace first
    params = comp.parameters()           # every parameter, as PSCAD holds it
    print(str(params["DCResC"]))         # Conductor DC Resistance per unit length, in ohm/km

comp = project.find_all("master:Line_BusWork_3H")[0]
comp.parameters(DCResC="0.14304 [ohm/km]") # a value that carries a unit is written with it
  • A parameter is named exactly as in the table, letter case included: parameters() gives every one of them in a dictionary, and a name the component does not have is refused.
  • A value that carries a unit comes back as a number whose unit is only in its text, so read it as text first (str(...)) or the unit is lost. PSCAD keeps a written unit as it is given: "2500 [mohm]" stays in mohm.
  • A Choice is read and written as its symbol (the capitals in "Written as"), not as the words PSCAD shows in the dialog.
  • find_all() takes the exact definition only. A wildcard or a bare name without master: comes back empty; the Builder's px_find walks the pages for those.

The Builder's runtime does the same with the unit handled for you: px_get(comp, "DCResC") and px_set(...), which also records the old value so the case is put back at the end. Getting started shows them.

Bus Data

ParameterUnitDefaultDescription
BNameText·B3HBus Name
DCResCRealohm/km0.0715198Conductor DC Resistance per unit lengthRange 0 to 100
NC1Integer·1Connection Number for C1Range 1 to 30
NC2Integer·2Connection Number for C2Range 1 to 30
NC3Integer·3Connection Number for C3Range 1 to 30
PERMCReal·1.0Conductor Relative PermeabilityRange 0 to 1
RadiusCRealm0.035306Conductor Outer RadiusRange 0 to 10
ShuntGRealmho/m1.0E-11Shunt ConductanceRange 0 to 1
XRealm0Relative X Position of Bus Centre on Right of WayRange -1e+006 to 1e+006
X2Realm0.5Horizontal Spacing Between PhasesRange 0 to 1e+006
YRealm5Bus Height Above GroundRange 0 to 1e+006
thicknessRealm0.002921Conductor ThicknessRange 0 to 10

Related

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