master:sqc100 parametersPSCAD Squirrel Cage Induction Machine

Every parameter of the PSCAD Squirrel Cage Induction Machine (master:sqc100): 82 names, with the unit, the default and the meaning PSCAD gives each one. Copy a name into parameters().

What master:sqc100 is

The squirrel cage induction machine, from typical data or from its own equivalent circuit.

Definition
master:sqc100
PSCAD name
Squirrel Cage Induction Machine
Category
Machines, exciters and governors
Parameters
82, in 7 groups; 61 carry a unit
Read from
PSCAD 5.0.0, 2026-11-07

Most used master:sqc100 parameters

ParameterUnitDescription
Cnfg·Data Generation/Entry:how the data is entered
HPhpPU data from a machine whose horse power issize of the machine the per-unit data comes from
DpuMechanical Dampingmechanical damping

Read and write master:sqc100 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:sqc100"):   # the exact definition, namespace first
    params = comp.parameters()           # every parameter, as PSCAD holds it
    print(str(params["Cnfg"]))           # Data Generation/Entry:

comp = project.find_all("master:sqc100")[0]
comp.parameters(Cnfg="EXPLICIT")         # a Choice is written as its symbol
  • 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, "Cnfg") and px_set(...), which also records the old value so the case is put back at the end. Getting started shows them.

EMTP Type 40 format

ParameterUnitDefaultDescription
CSTARealpu5.0Starting current at full voltsRange 0.01 to 100
D2Realpu0.008Mechanical DampingRange 0 to 0.1Used when MM==0
DRatioRealpu1.0Design RatioRange 0.1 to 1
EFFLDRealpu0.985Efficiency at rated loadRange 0.01 to 1
HINERTReal·10.0Polar moment of Inertia (J)At least 0
HunitChoice·KG_M_2Units of the inertiaChoose the unit of inertia used.Written as KG_M_2 (kg*m^2), S (s)
PFFLDRealpu0.85Power factor at rated loadRange 0 to 1
PolesInteger·4Number of polesRange 0 to 100
SFLDRealpu0.015Slip at full loadRange 0 to 2
TQMAXRealpu3.0Maximum Torque / Full load torqueRange 1 to 100
TRATRealpu1.5Starting Torque at full volt / Full load torqueRange 0.01 to 10

Configuration

ParameterUnitDefaultDescription
CnfgChoice·TYPICALData Generation/Entry:Choose from typical, explicit or EMTP type 40Written as TYPICAL (Typical), EXPLICIT (Explicit), EMTP_TYPE_40 (EMTP Type 40)
IbaseRealkA0.02804Rated RMS Phase CurrentAt least 1E-307
IterInteger·1Number of Sub-Iteration StepsRange 1 to 2147483647
MMChoice·DISABLEMultimass InterfaceSelect Enable or DisableWritten as DISABLE, ENABLE
NOMReal·1.0Number of Coherent MachinesEnter number of machines working in parallelAt least 0
NameText·IndMachineMotor nameEnter a name for identification
OMORealrad/s376.99Base Angular FrequencyAt least 0
VbaseRealkV7.967Rated RMS Phase VoltageAt least 1E-307
ViewChoice·SINGLE_LINEGraphics DisplaySelct Single line or 3 phase viewWritten as 3_PHASE (3 phase view), SINGLE_LINE (Single line view)

Explicit Data Format

ParameterUnitDefaultDescription
DRealpu0.008Mechanical DampingRange 0 to 0.1Used when MM==0
JReals0.5Polar Moment of Inertia ( J=2H )Range 0 to 10000000000Used when MM==0
LSatChoice·DISABLEDLeakage SaturationSelect Enabled or DisabledWritten as DISABLED (Disabled), ENABLED (Enabled)
MSatChoice·DISABLEDMutual SaturationSelect Enabled or DisabledWritten as DISABLED (Disabled), ENABLED (Enabled)
R1Realpu0.066Stator ResistanceAt least 0
R2Realpu0.298First Cage ResistanceAt least 0
R3Realpu0.018Second Cage ResistanceAt least 0
X230Realpu0.122Rotor Unsaturated Mutual ReactanceAt least 0
X3Realpu0.105Second Cage Unsaturated ReactanceAt least 0
XL0Realpu0.046Stator Unsaturated Leakage ReactanceAt least 0
XM0Realpu3.86Unsaturated Magnetizing ReactanceAt least 0

Typical Data Format

ParameterUnitDefaultDescription
HPRealhp500.0PU data from a machine whose horse power isPU data from a typical machine whose rating specified here will be taken in computation. Actual rating of the machine is defined by rated voltage and current defined.At least 0Used when (Cnfg==0)

Leakage Saturation Curve

ParameterUnitDefaultDescription
I1Realpu0.0Point 1 - Short Circuit Current
I10Realpu-1.0Point 10 - Short Circuit Current
I2Realpu1.196Point 2 - Short Circuit Current
I3Realpu1.82Point 3 - Short Circuit Current
I4Realpu2.861Point 4 - Short Circuit Current
I5Realpu5.882Point 5 - Short Circuit Current
I6Realpu-1.0Point 6 - Short Circuit Current
I7Realpu-1.0Point 7 - Short Circuit Current
I8Realpu-1.0Point 8 - Short Circuit Current
I9Realpu-1.0Point 9 - Short Circuit Current
V1Realpu0.0Point 1 - Short Circuit Voltage
V10Realpu-1.0Point 10 - Short Circuit Voltage
V2Realpu0.286Point 2 - Short Circuit Voltage
V3Realpu0.4Point 3 - Short Circuit Voltage
V4Realpu0.564Point 4 - Short Circuit Voltage
V5Realpu0.981Point 5 - Short Circuit Voltage
V6Realpu-1.0Point 6 - Short Circuit Voltage
V7Realpu-1.0Point 7 - Short Circuit Voltage
V8Realpu-1.0Point 8 - Short Circuit Voltage
V9Realpu-1.0Point 9 - Short Circuit Voltage

Magnetizing (main) Saturation Curve

ParameterUnitDefaultDescription
I10MRealpu5.4Point 10 - Magnetizing Current
I1MRealpu0.0Point 1 - Magnetizing Current
I2MRealpu1.0Point 2 - Magnetizing Current
I3MRealpu2.0Point 3 - Magnetizing Current
I4MRealpu3.0Point 4 - Magnetizing Current
I5MRealpu4.0Point 5 - Magnetizing Current
I6MRealpu5.0Point 6 - Magnetizing Current
I7MRealpu5.1Point 7 - Magnetizing Current
I8MRealpu5.2Point 8 - Magnetizing Current
I9MRealpu5.3Point 9 - Magnetizing Current
V10MRealpu0.56Point 10 - Magnetizing Voltage
V1MRealpu1.0Point 1 - Magnetizing Voltage
V2MRealpu1.0Point 2 - Magnetizing Voltage
V3MRealpu0.9Point 3 - Magnetizing Voltage
V4MRealpu0.8Point 4 - Magnetizing Voltage
V5MRealpu0.7Point 5 - Magnetizing Voltage
V6MRealpu0.6Point 6 - Magnetizing Voltage
V7MRealpu0.59Point 7 - Magnetizing Voltage
V8MRealpu0.58Point 8 - Magnetizing Voltage
V9MRealpu0.57Point 9 - Magnetizing Voltage

Internal Output Variables

ParameterUnitDefaultDescription
POutText··Name for Real Power (+=in) [pu]
QOutText··Name for Reactive Power (+=in) [pu]
SPText··Name for Output Speed [pu]
TangleText··Name for Torque Angle [rad]
TelecText··Name for Electrical Torque [pu]
ThetaText··Name for Output Rotor Angle [rad]
TmechText·TmechName for Output Mechanical Torque [pu]Used when (MM==0)
TslipText··Name for Slip Angle [rad]
sfliText··Name for Leakage Saturation Factor
sfmiText··Name for Mutual Saturation Factor

Related

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