VfController
Voltage-Frequency-Controller
Library
Modelica/Electrical/Machines/Utilities
Description
Simple Voltage-Frequency-Controller.Amplitude of voltage is linear dependent (VNominal/fNominal) on frequency (input signal "u"), but limited by VNominal (nominal RMS voltage per phase).
m sine-waves with amplitudes as described above are provided as output signal "y".
By setting parameter EconomyMode=true, Voltage rises quadratically with frequency which means flux,torque and loss reduction for fan and pump drives.
The sine-waves are intended to feed a m-phase SignalVoltage.
Phase shifts between sine-waves may be chosen by the user; default values are (k-1)/m*pi for k in 1:m.
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo_nout | nout | Number of outputs | Scalar | |
mo_m | m | Number of phases | Scalar | |
mo_orientation | orientation | Orientation of phases | Vector | |
mo_VNominal | VNominal | Nominal RMS voltage per phase | Scalar | |
mo_fNominal | fNominal | Nominal frequency | Scalar | |
mo_BasePhase | BasePhase | Common phase shift | Scalar | |
mo_EconomyMode | EconomyMode | Economy mode: voltage quadratic dependent on frquency | Scalar | true |
mo_pow | pow | Scalar | ||
mo_x | x | x | Structure | |
mo_x/fixed | fixed | Cell of scalars | true | |
mo_x/start | start | Cell of scalars |
| 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 | 'amplitude' | |
mo__modifiers/attribute | Attribute | Cell of strings | 'start' | |
mo__modifiers/value | Value |
Ports
| Name | Type | Description | IO Type | Number |
|---|---|---|---|---|
u | implicit | Connector of Real input signal | input | 1 |
y | implicit | Connector of Real output signals | output | 1 |