RampedRheostat
Rheostat with linearly decreasing resistance
Library
Modelica/Electrical/Machines/Utilities
Description
Ramped rheostat, used for starting asynchronous induction motors with slipring rotor:
The external rotor resistance RStart is reduced to zero,
starting at time tStart with a linear ramp tRamp.
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo_m | m | Number of phases | Scalar | |
mo_RStart | RStart | Starting resistance | Scalar | |
mo_tStart | tStart | Time instance of reducing the rheostat | Scalar | |
mo_tRamp | tRamp | Duration of ramp | Scalar |
Ports
| Name | Type | Description | IO Type | Number |
|---|---|---|---|---|
plug_p | implicit | To positive rotor plug | input | 1 |
plug_n | implicit | To negative rotor plug | output | 1 |