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Squirrel Cage

Squirrel Cage

 

Description

Equations

Variables

Connections

Parameters

Modelica Standard Library

Description

The Squirrel Cage component models a squirrel cage/symmetrical damper cage in two axes.

Equations

Rractual=Rr1+αThpTref

vSPr=RractualiSPr+Lrσi.SPr

23LossPower=RractualiSPr12+iSPr22

Thp={TheatPortUse Heat PortTotherwise

Variables

Name

Units

Description

Modelica ID

LossPower

W

Loss power leaving component via HeatPort

LossPower

Thp

K

Temperature of HeatPort

T_heatPort

Rractual

Ω

Actual resistance

Rr_actual

Connections

Name

Description

Modelica ID

Heat Port

Conditional heat port

heatPort

SPr

Space phasor

spacePhasor_r

Parameters

Name

Default

Units

Description

Modelica ID

Lrσ

 

H

Rotor stray inductance per phase translated to stator

Lrsigma

Rr

 

Ω

Warm rotor resistance per phase translated to stator

Rr

Use Heat Port

false

 

True (checked) means heat port is enabled

useHeatPort

α

0

1K

Temperature coefficient of resistance at T_ref

alpha

T

Tref

K

Fixed device temperature if Use Heat Port is false

T

Tref

293.15

K

Reference temperature

T_ref

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 Machine Components

Electrical Machines