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M_Transformer

Multiwinding electrical transformer

 

Description

Equations

Variables

Connections

Parameters

Modelica Standard Library

Description

The M_Transformer (or M Transformer) component models a multiwinding transformer with self and mutual inductances defined by a symmetric matrix.

Because the matrix_ is symmetric, it is specified by a one-dimensional array of length 12NN+1, Ljk : 1jkN, that represents the upper triangular portion of the matrix. For example, for a three-winding transformer, N=3 and the L array has the form L11,L12,L13,L22,L23,L33.

Equations

vj=vpjvnj=j=1NLjki.k

ij=ipj=inj

Variables

Name

Units

Description

Modelica ID

vj

V

Voltage across winding j

v[j]

vxj

V

Voltage at pin x, xn,p, of winding j

x[j].v

ij

A

Current through winding j

i[j]

ixj

A

Current into pin x, xn,p

x[j].i

Connections

Name

Description

Modelica ID

p

Positive pin

p

n

Negative pin

n

Parameters

Name

Default

Units

Description

Modelica ID

N

3

 

Number of inductors

N

L

*

H

Inductances and coupling inductances

L

* 1,0.1,0.2,2,0.3,0.3

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

Analog Components

Electrical Library

Transformers