Sensors for machine modelling
Extends from Modelica.Icons.SensorsPackage (Icon for packages containing sensors).
Name | Description |
---|---|
VoltageQuasiRMSSensor | Length of space phasor -> RMS voltage |
CurrentQuasiRMSSensor | Length of space phasor -> RMS current |
ElectricalPowerSensor | Instantaneous power from space phasors |
MechanicalPowerSensor | Mechanical power = torque x speed |
RotorDisplacementAngle | Rotor lagging angle |
HallSensor | Hall sensor |
Length of space phasor -> RMS voltage
Extends from Modelica.Icons.RotationalSensor (Icon representing a round measurement device).
Name | Description |
---|---|
V | [V] |
plug_p | |
plug_n |
Length of space phasor -> RMS current
Extends from Modelica.Icons.RotationalSensor (Icon representing a round measurement device).
Name | Description |
---|---|
I | [A] |
plug_p | |
plug_n |
Instantaneous power from space phasors
Extends from Modelica.Icons.RotationalSensor (Icon representing a round measurement device).
Name | Description |
---|---|
P | [W] |
Q | [var] |
plug_p | |
plug_ni | |
plug_nv |
Mechanical power = torque x speed
Extends from Modelica.Icons.RotationalSensor (Icon representing a round measurement device), Modelica.Mechanics.Rotational.Interfaces.PartialTwoFlanges (Partial model for a component with two rotational 1-dim. shaft flanges).
Name | Description |
---|---|
useSupport | Use support or fixed housing |
Name | Description |
---|---|
flange_a | Flange of left shaft |
flange_b | Flange of right shaft |
P | [W] |
support | Support at which the reaction torque is acting |
Rotor lagging angle
The sensor's housing can be implicitly fixed (useSupport=false).
If the machine's stator also implicitly fixed (useSupport=false), the angle at the flange
is equal to the angle of the machine's rotor against the stator.
Otherwise, the sensor's support has to be connected to the machine's support.
Name | Description |
---|---|
m | Number of phases |
p | Number of pole pairs |
positiveRange | Use only positive output range, if true |
threshold | Below threshold the voltage is considered as zero |
useSupport | Use support or fixed housing |
Name | Description |
---|---|
rotorDisplacementAngle | [rad] |
plug_p | |
plug_n | |
flange | |
support | support at which the reaction torque is acting |
Hall sensor
Simple model of a hall sensor, i.e. measuring the angle of the flange (w.r.t. the optional support), multiplying by the number of phases p to obtain the electrical angle, and adding a correction term i.e. the initial angle of the flange phi0.
Note that phi0 has to be set that way, that in shaft position phi0 the flux linkage of phase 1 is a maximum.
Extends from Modelica.Mechanics.Rotational.Interfaces.PartialElementaryOneFlangeAndSupport2 (Partial model for a component with one rotational 1-dim. shaft flange and a support used for textual modeling, i.e., for elementary models).
Name | Description |
---|---|
useSupport | = true, if support flange enabled, otherwise implicitly grounded |
p | Number of pole pairs |
phi0 | Initial mechanical angle [rad] |
Name | Description |
---|---|
flange | Flange of shaft |
support | Support/housing of component |
y | "Electrical angle" [rad] |