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 |
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo__nmodifiers | Number of Modifiers | Specifies the number of modifiers | Number | |
mo__modifiers | Modifiers | Add new modifier | Structure | |
mo__modifiers/varname | Variable name | Cell of strings | ||
mo__modifiers/attribute | Attribute | Cell of strings | 'start' | |
mo__modifiers/value | Value |
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 |