master:pt1 parametersPSCAD PT - Lucas Model

Every parameter of the PSCAD PT - Lucas Model (master:pt1): 23 names, with the unit, the default and the meaning PSCAD gives each one. Copy a name into parameters().

What master:pt1 is

PT - Lucas Model, a component of PSCAD's Master Library, filed under other components.

Definition
master:pt1
PSCAD name
PT - Lucas Model
Category
Other components
Parameters
23, in 4 groups; 13 carry a unit
Read from
PSCAD 5.0.0, 2026-11-07

Read and write master:pt1 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:pt1"):   # the exact definition, namespace first
    params = comp.parameters()           # every parameter, as PSCAD holds it
    print(str(params["Bop"]))            # Operating Flux Density, in T

comp = project.find_all("master:pt1")[0]
comp.parameters(Bop="1.6 [T]")           # 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, "Bop") and px_set(...), which also records the old value so the case is put back at the end. Getting started shows them.

VT Data - General

ParameterUnitDefaultDescription
BopRealT0.8Operating Flux DensityAt least 0
ClosHRealW5.0Hysteresis Loss @ Normal ConditionsAt least 0
FREQRealHz60.0Nominal FrequencyAt least 1E-20
LeddyRealW2.5Eddy Current Loss @ Normal ConditionsAt least 0
LpRealH0.47e-3Primary Inductance (referred to sec.)At least 1E-307
LsRealH0.47e-3Seondary InductanceAt least 1E-307
NameText··Name for IdentificationEnter a name for identification
RemnRealpu0.0Initial RemananceAt least 0
RpRealohm0.05Primary Resistance (referred to sec.)At least 1E-307
RsRealohm0.18Secondry ResistanceAt least 1E-307
VTratReal·2000VT RatioAt least 1E-307
VopRealV115Secondary Operating voltageAt least 1E-307

Internal Outputs

ParameterUnitDefaultDescription
BoutText··Flux Density
ImagnText··Magnetizing Current
ItotlText··Total Core Current

Burden

ParameterUnitDefaultDescription
BurLsRealH2.4Burden Inductance - seriesAt least 1E-307
BurRpRealohm785.0Burden Resistance - parallelAt least 1E-307
BurRsRealohm301.0Burden Resistance - seriesAt least 1E-307

VT Data - Saturation

ParameterUnitDefaultDescription
Cnst1Real·0.6Coefficient-1At least 0
Cnst2Real·0.03Coefficient-2At least 0
Cnst3Real·1.0e-7Coefficient-3At least 0
Indx2Integer·8Index-2Range 2 to 2147483647
Indx3Integer·32Index-3Range 2 to 2147483647

Related

← master:stop Programmable stop · master:rsff rsff →