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Voltage Controller

Voltage controller

 

Description

Connections

Parameters

Modelica Standard Library

Description

The Voltage Controller component is a simple voltage-controller. The desired rms values of the d- and q-components of the space phasor current in rotor fixed coordinate system are given by inputs id,rms and iq,rms. Using the given rotor position (input φ), the actual three-phase currents are measured and transformed to the d-q coordinate system. Two PI-controllers determine the necessary d- and q- voltages, which are transformed back to three-phase (output y). They can be used to feed a voltage source which in turn feeds a permanent magnet synchronous machine. Note: No care is taken for current or voltage limiting, as well as for field weakening.

Connections

Name

Description

Modelica ID

y

Three-phase real output

y

id,rms

Real input; d-component of desired rms current

id_rms

iq,rms

Real input; q-component of desired rms current

iq_rms

φ

Real input; rotor position in radians

phi

iactual

Three-phase real input; actual rms current

iActual

Parameters

Name

Default

Units

Description

Modelica ID

p

 

 

Number of pole pairs

p

fs,nom

 

Hz

Nominal frequency

fsNominal

Vs,oc

 

V

Open circuit RMS voltage per phase at_f[s,nom]

VsOpenCircuit

Rs

 

Ω

Stator resistance per phase

Rs

Ld

 

H

Inductance in d-axis

Ld

Lq

 

H

Inductance in q-axis

Lq

Decoupling

false

 

True means use decoupling network

decoupling

Modelica Standard Library

The component described in this topic is from the Modelica Standard Library. To view the original documentation, which includes author and copyright information, click here.

See Also

Electrical Library

Electrical Machines

Electrical Machines Utilities