OpenIPSL.Electrical.Machines.PSSE.BaseClasses

Base classes for base machines from PSSE

Extends from Modelica.Icons.BasesPackage (Icon for packages containing base classes).

Name	Description
baseMachine	Base machine for PSSE models
baseMotor	Base model for the PSSE three-phase induction motor models

OpenIPSL.Electrical.Machines.PSSE.BaseClasses.baseMachine

Base machine for PSSE models

Extends from OpenIPSL.Electrical.Essentials.pfComponent (Partial model containing all the parameters for entering power flow data).

Name	Description
Power flow data
S_b	System base power [V.A]
V_b	Base voltage of the bus [V]
fn	System frequency [Hz]
P_0	Initial active power [W]
Q_0	Initial reactive power [var]
v_0	Initial voltage magnitude [1]
angle_0	Initial voltage angle [rad]
displayPF	Display power flow:
Machine parameters
M_b	Machine base power [V.A]
Tpd0	d-axis transient open-circuit time constant [s]
Tppd0	d-axis sub-transient open-circuit time constant [s]
Tppq0	q-axis sub-transient open-circuit time constant [s]
H	Inertia constant [s]
D	Speed damping
Xd	d-axis reactance [1]
Xq	q-axis reactance [1]
Xpd	d-axis transient reactance [1]
Xppd	d-axis sub-transient reactance [1]
Xppq	q-axis sub-transient reactance [1]
Xl	leakage reactance [1]
S10	Saturation factor at 1.0 pu [1]
S12	Saturation factor at 1.2 pu [1]
R_a	Armature resistance [1]
Initialization
w0	Initial speed deviation from nominal [1]
Parameter mask
enableS_b	Enable S_b in parameter list
enableV_b	Enable V_b in parameter list
enablefn	Enable fn in parameter list
enableP_0	Enable P_0 in parameter list
enableQ_0	Enable Q_0 in parameter list
enablev_0	Enable v_0 in parameter list
enableangle_0	Enable angle_0 in parameter list
enabledisplayPF	Enable displayPF in parameter list

Name	Description
p
SPEED	Machine speed deviation from nominal [pu]
PMECH	Turbine mechanical power (machine base)
PMECH0	Initial value of machine electrical power (machine base)
ETERM	Machine terminal voltage [pu]
EFD	Generator main field voltage [pu]
EFD0	Initial generator main field voltage [pu]
PELEC	Machine electrical power (machine base)
ISORCE	Machine source current [pu]
ANGLE	Machine relative rotor angle
XADIFD	Machine field current [pu]
QELEC	Machine electrical power (machine base)

Base model for the PSSE three-phase induction motor models

This component is the base class for the PSSE induction motor models from the Machines.PSSE sub-package.

Extends from OpenIPSL.Electrical.Essentials.pfComponent (Partial model containing all the parameters for entering power flow data).

Name	Description
Power flow data
M_b	Machine base power [V.A]
S_b	System base power [V.A]
V_b	Base voltage of the bus [V]
fn	System frequency [Hz]
P_0	Initial active power [W]
Q_0	Initial reactive power [var]
v_0	Initial voltage magnitude [1]
angle_0	Initial voltage angle [rad]
displayPF	Display power flow:
Motor Setup
Sup	True: Start-up process, False: Steady-state condition
Ctrl	True: Model for VSD control, False: Model not controllable
Machine parameters
N	Number of pair of Poles
H	Inertia constant [s]
Parameter mask
enableS_b	Enable S_b in parameter list
enableV_b	Enable V_b in parameter list
enablefn	Enable fn in parameter list
enableP_0	Enable P_0 in parameter list
enableQ_0	Enable Q_0 in parameter list
enablev_0	Enable v_0 in parameter list
enableangle_0	Enable angle_0 in parameter list
enabledisplayPF	Enable displayPF in parameter list

Name	Description
p
wr	Absolute angular velocity of flange as output signal (rad/s)
we	Input for controllable synchronous speed functionality (rad/s)

Automatically generated Thu Feb 26 06:56:10 2026.