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Wye-Wye Transformers

Yy00  Yy02  Yy04  Yy06  Yy08  Yy10

Three-phase transformers with wye primary and wye secondary windings

 

Description

Connections

Parameters

Modelica Standard Library

Description

The Wye-Wye (or Yy) components are three-phase transformers with wye primary and wye secondary windings.

The base name of each component is Yyij, where ij are two digits that specify the phase shift between the primary and secondary windings. The numbers range from 0 to 12 and correspond to the hours on the face of a clock. For example, 02 corresponds to a phase shift of 60 degrees.

Connections

Name

Description

Modelica ID

plug1

Primary plug

plug1

plug2

Secondary plug

plug2

starpoint2

Primary star-point connection

starpoint1

starpoint2

Secondary star-point connection

starpoint2

thermalPort

Optional thermal port

thermalPort

Parameters

General Parameters

Name

Default

Units

Description

Modelica ID

n

1

1

Ratio primary voltage (line-to-line) / secondary voltage (line-to-line)

n

T1,oper

293.15

K

Operational temperature of primary resistance

T1Operational

T2,oper

293.15

K

Operational temperature of secondary resistance

T2Operational

Use Thermal Port

false

 

True (checked) means thermal port is enabled

useThermalPort

Nominal Resistances And Inductances Parameters

Name

Default

Units

Description

Modelica ID

R1

 

Ω

Primary resistance per phase at TRef

R1

T1,ref

293.15

K

Reference temperature of primary resistance

T1Ref

α1

0

1K

Temperature coefficient of R1 at T1,ref

alpha20_1

L1σ

 

H

Primary stray inductance per phase

L1sigma

R2

 

Ω

Secondary resistance per phase at TRef

R2

T2,ref

293.15

K

Reference temperature of secondary resistance

T2Ref

α2

0

1K

Temperature coefficient of R2 at T2,ref

alpha20_2

L2σ

 

H

Secondary stray inductance per phase

L2sigma

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 Transformers