Damper Cage
Description
Equations
Variables
Connections
Parameters
Modelica Standard Library
The Damper Cage component models an asymmetrical damper cage in two axes.
Rrdactual=Rrd⁢1+α⁢Thp−Tref
Rrqactual=Rrq⁢1+α⁢Thp−Tref
vSPr1=Rrdactual⁢iSPr1+Lrσd⁢iSPr1.
vSPr2=Rrqactual⁢iSPr2+Lrσq⁢iSPr2.
23⁢LossPower=Rrdactual⁢iSPr12+Rrqactual⁢iSPr22
Thp={TheatPortUse Heat PortTotherwise
Name
Units
Modelica ID
LossPower
W
Loss power leaving component via HeatPort
Thp
K
Temperature of HeatPort
T_heatPort
Rrdactual
Ω
Actual resistance resistance in d-axis
Rrd_actual
Rrqactual
Actual resistance resistance in q-axis
Rrq_actual
i
Currents out from damper
SPr
Rotor space phasor
spacePhasor_r
lossPower
Damper losses
Heat Port
Conditional heat port
heatPort
Default
Lrσd
H
Stray inductance in d-axis per phase translated to stator
Lrsigmad
Lrσq
Stray inductance in q-axis per phase translated to stator
Lrsigmaq
Rrd
Resistance in d-axis per phase translated to stator at Tref
Rrq
Warm resistance in q-axis per phase translated to stator
α
0
1K
Temperature coefficient of both resistances in d- and q-axis at Tref
alpha
Use Heat Port
false
True (checked) means heat port is enabled
useHeatPort
T
Tref
Fixed device temperature if Use Heat Port is false
293.15
Reference temperature of both resistances in d- and q-axis
T_ref
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 Machine Components
Electrical Machines
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