modelRampedRheostat
Rheostat with linearly decreasing resistance
Information
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
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | m | 3 | Number of phases |
| SI.Resistance | RStart | Starting resistance | |
| SI.Time | tStart | Time instance of reducing the rheostat | |
| SI.Time | tRamp | Duration of ramp |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Electrical.Polyphase.Interfaces.PositivePlug | plug_p | To positive rotor plug | |
| Modelica.Electrical.Polyphase.Interfaces.NegativePlug | plug_n | To negative rotor plug |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Electrical.Polyphase.Basic.Star | star | ||
| Modelica.Electrical.Analog.Basic.Ground | ground | ||
| Modelica.Electrical.Polyphase.Basic.VariableResistor | rheostat | ||
| Modelica.Blocks.Sources.Ramp[m] | ramp |