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Soft Magnetic Material

 

Description

Variables

Parameters

Modelica Standard Library

Description

The magnetization characteristics, μr vs B, of the soft magnetic material included in this library are approximated by the following expressions

μr=1+ui1+caBn1+cbBN+BNnBN=BBμmax

Variables

Name

Units

Description

Modelica ID

B

T

Flux density in ferromagnetic material

B

μr

1

Relative permeability in ferromagnetic material

mu_r

Parameters

Name

Units

Description

Modelica ID

Bμmax

T

Flux density at maximum relative permeability

B_myMax

μi

1

Initial relative permeability at B=0

mu_i

ca

1

Coefficient of approximation

c_a

cb

1

Coefficient of approximation

c_b

n

1

Exponent of approximation

n

Data

Material

μi

Bμmax

ca

cb

n

BaseData

1

1

1

1

1

Steel

 

 

 

 

 

Steel_9SMnPb28

400

1.488

1200

3

12.5

Steel_9SMn28k

500

1.036

43414

35.8

14

DC01

5

1.1

6450

3.65

7.7

DC03

0

1.05

27790

16

10.4

X6Cr17

274

1.1

970

1.2

8.3

AISI_1008

200

1.17

8100

2.59

10

AISI_12L14

10

0.94

5900

4.19

6.4

Electric Sheet

 

 

 

 

 

M330_50A

500

0.7

24000

9.38

9.6

M350_50A

1210

1.16

24630

2.44

14

M530_50A

2120

1.25

12400

1.6

13.5

M700_100A

1120

1.2

20750

3.55

13.15

M940_100A

680

1.26

17760

3.13

13.9

Pure Iron

 

 

 

 

 

RFe80 (Hyperm 0)

123

1.27

44410

6.4

10

VacoferS2 (99.95% Fe)

2666

1.15

187000

4.24

19

Cobalt Iron

 

 

 

 

 

Vacoflux50 (50% CoFe)

3850

1.75

11790

2.63

15.02

Nickel Iron

 

 

 

 

 

Mu Metal (77% NiFe)

27300

0.46

1037500

3.67

10

Permenorm3601K3 (36% NiFe)

3000

0.67

500000

2.39

9.3

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

Magnetic Library

Magnetic Material