Magnetic Circuit Matlab Script: Difference between revisions

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Line 16: Line 16:
Bfg=.1;
Bfg=.1;


% Assumed relative permeability
<br />% Assumed relative permeability


mu0=4e-7*pi;
mu0=4e-7*pi;
Line 24: Line 24:
mu=mur*mu0
mu=mur*mu0


% Geometry
<br />% Geometry


lfg=1e-2
lfg=1e-2
Line 46: Line 46:
Adabc=2e-2*4e-2
Adabc=2e-2*4e-2


% Air gap
<br />% Air gap


Rfg=lfg/(mu*Afg)
Rfg=lfg/(mu*Afg)
Line 54: Line 54:
Ffg=Rfg*Ifg
Ffg=Rfg*Ifg


% Right arms
<br />% Right arms


Idef=Ifg
Idef=Ifg
Line 68: Line 68:
Fghc=Fdef;
Fghc=Fdef;


% Center Column
<br />% Center Column


Fdc=Fdef+Ffg+Fghc
Fdc=Fdef+Ffg+Fghc
Line 76: Line 76:
Idc=Fdc/Rdc
Idc=Fdc/Rdc


% Left arm
<br />% Left arm


Idabc=Idc-Idef
Idabc=Idc-Idef
Line 84: Line 84:
Fdabc=Rdabc*Idabc
Fdabc=Rdabc*Idabc


% Results
<br />% Results


Ftotal = Fdabc+Fdc+Fdef+Ffg+Fghc
Ftotal = Fdabc+Fdc+Fdef+Ffg+Fghc

Revision as of 00:42, 11 January 2010

% John Hawkins

% EMEC

% Magnetic Circuit Calculations

% Professor Rob Frohne

% January 10, 2009

% Problem Statement Constraints

N=1600;

Bfg=.1;


% Assumed relative permeability

mu0=4e-7*pi;

mur=500;

mu=mur*mu0


% Geometry

lfg=1e-2

ldef=31e-2+24.5e-2

lghc=ldef

ldc=48e-2

ldabc=46e-2+48e-2+46e-2

Afg=4e-2*8e-2

Adef=Afg

Aghc=Afg

Adc=8e-2*12e-2

Adabc=2e-2*4e-2


% Air gap

Rfg=lfg/(mu*Afg)

Ifg=Bfg*Afg

Ffg=Rfg*Ifg


% Right arms

Idef=Ifg

Rdef=ldef/(mu*Adef)

Fdef=Rdef*Idef

Ighc=Idef;

Rghc=Rdef;

Fghc=Fdef;


% Center Column

Fdc=Fdef+Ffg+Fghc

Rdc=ldc/(mu*Adc)

Idc=Fdc/Rdc


% Left arm

Idabc=Idc-Idef

Rdabc=ldabc/(mu*Adabc)

Fdabc=Rdabc*Idabc


% Results

Ftotal = Fdabc+Fdc+Fdef+Ffg+Fghc

i=Ftotal/N