WOLFRAM SYSTEM MODELER
RampedRheostatRheostat with linearly decreasing resistance |
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Diagram
Wolfram Language
In[1]:=
SystemModel["Modelica.Electrical.Machines.Utilities.RampedRheostat"]
Out[1]:=
Information
This information is part of the Modelica Standard Library maintained by the Modelica Association.
Ramped rheostat, used for starting induction motors with slipring rotor:
The external rotor resistance RStart is reduced to zero,
starting at time tStart with a linear ramp tRamp.
Parameters (4)
| m |
Value: 3 Type: Integer Description: Number of phases |
|---|---|
| RStart |
Value: Type: Resistance (Ω) Description: Starting resistance |
| tStart |
Value: Type: Time (s) Description: Time instance of reducing the rheostat |
| tRamp |
Value: Type: Time (s) Description: Duration of ramp |
Connectors (2)
 |
plug_p |
Type: PositivePlug Description: To positive rotor plug |
|---|---|---|
 |
plug_n |
Type: NegativePlug Description: To negative rotor plug |
Components (4)
 |
star |
Type: Star Description: Star-connection |
|---|---|---|
 |
ground |
Type: Ground Description: Ground node |
 |
rheostat |
Type: VariableResistor Description: Ideal linear electrical resistors with variable resistance |
 |
ramp |
Type: Ramp[m] Description: Generate ramp signal |