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Area Magnetic materials and components / State of magnetization

IEV ref221-02-49

Symbol
αF

en
temperature factor of permeability
quotient of the temperature coefficient of permeability by the permeability at temperature Θ

α F = α μ μ Θ = μ Θ μ ref μ Θ μ ref ( Θ Θ ref ) MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeg7aHnaaBaaaleaacaqGgbaabeaakiabg2da9maalaaabaGaeqySde2aaSbaaSqaaiabeY7aTbqabaaakeaacqaH8oqBdaWgaaWcbaGaeqiUdehabeaaaaGccqGH9aqpdaWcaaqaaiabeY7aTnaaBaaaleaacqaH4oqCaeqaaOGaeyOeI0IaeqiVd02aaSbaaSqaaiaabkhacaqGLbGaaeOzaaqabaaakeaacqaH8oqBdaWgaaWcbaGaeqiUdehabeaakiabeY7aTnaaBaaaleaacaqGYbGaaeyzaiaabAgaaeqaaOWaaeWaaeaacqaH4oqCcqGHsislcqaH4oqCdaWgaaWcbaGaaeOCaiaabwgacaqGMbaabeaaaOGaayjkaiaawMcaaaaaaaa@5BB8@

or

α F = α μ μ ref = μ Θ μ ref μ ref 2 ( Θ Θ ref )

when µΘ and µref differ insignificantly

Note – The temperature factor of permeability is a material property which enables to calculate the temperature coefficient of effective permeability αµe by multiplying αF by µe:

α μe = α F μ e MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeg7aHnaaBaaaleaacqaH8oqBcaqGLbaabeaakiabg2da9iabeg7aHnaaBaaaleaacaqGgbaabeaakiabgwSixlabeY7aTnaaBaaaleaacaqGLbWaaWbaaWqabeaacqGHflY1aaaaleqaaaaa@44FC@


fr
facteur de température de la perméabilité, m
quotient du coefficient de température de la perméabilité par la perméabilité à la température Θ

α F = α μ μ Θ = μ Θ μ ref μ Θ μ ref ( Θ Θ ref ) MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeg7aHnaaBaaaleaacaqGgbaabeaakiabg2da9maalaaabaGaeqySde2aaSbaaSqaaiabeY7aTbqabaaakeaacqaH8oqBdaWgaaWcbaGaeqiUdehabeaaaaGccqGH9aqpdaWcaaqaaiabeY7aTnaaBaaaleaacqaH4oqCaeqaaOGaeyOeI0IaeqiVd02aaSbaaSqaaiaabkhacaqGLbGaaeOzaaqabaaakeaacqaH8oqBdaWgaaWcbaGaeqiUdehabeaakiabeY7aTnaaBaaaleaacaqGYbGaaeyzaiaabAgaaeqaaOWaaeWaaeaacqaH4oqCcqGHsislcqaH4oqCdaWgaaWcbaGaaeOCaiaabwgacaqGMbaabeaaaOGaayjkaiaawMcaaaaaaaa@5BB8@

ou

α F = α μ μ ref = μ Θ μ ref μ ref 2 ( Θ Θ ref )

si µΘ et µref diffèrent de manière insignifiante

Note – Le facteur de température de la perméabilité est une propriété du matériau qui permet de calculer le coefficient de température de la perméabilité effective αµe en multipliant αF par µe:

α μe = α F μ e MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeg7aHnaaBaaaleaacqaH8oqBcaqGLbaabeaakiabg2da9iabeg7aHnaaBaaaleaacaqGgbaabeaakiabgwSixlabeY7aTnaaBaaaleaacaqGLbWaaWbaaWqabeaacqGHflY1aaaaleqaaaaa@44FC@


ar
عامل درجة حرارة للنفاذية

de
Temperaturfaktor der Permeabilität, m

es
factor de temperatura de la permeabilidad

it
coefficiente di temperatura (della reluttività)

ja
透磁率の相対温度係数

pl
współczynnik temperaturowy przenikalności magnetycznej

pt
factor de temperatura da permeabilidade

sv
(reluktansens) temperaturfaktor

zh
磁导率的温度因数

Publication date: 2007-04
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