IEVref:221-03-34ID:
Language:enStatus: Standard
Term: hysteresis core constant
Synonym1:
Synonym2:
Synonym3:
Symbol: ηi
Definition: in a magnetic core operating in the Rayleigh region, the tangent of the magnetic loss angle due to hysteresis divided by the product of the peak current î in, and the square root of the inductance L of, the measuring coil:

η i = tan δ h î L MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeE7aOnaaBaaajeaybaGaaeyAaaqabaqcaaMaeyypa0JcdaWcaaqaaiGacshacaGGHbGaaiOBaiaaykW7caaMc8UaeqiTdq2aaSbaaKqaGfaacaGGObaabeaaaOqaaiaad6oadaGcaaqaaiaadYeaaSqabaaaaaaa@4566@

NOTE – The relation between the hysteresis material constant ηB and the hysteresis core constant is:

η i = η B μ 0 μ e 3 V e MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiabeE7aOnaaBaaajeaybaGaaeyAaaqabaGccqGH9aqpcqaH3oaAdaWgaaqcbawaaiGackeaaSqabaGcdaGcaaqaamaalaaabaGaeqiVd02aaSbaaKqaGfaacaaIWaaaleqaaOGaaGPaVlabeY7aTnaaDaaajeaybaGaciyzaaqaaiaaiodaaaaakeaacaWGwbWaaSbaaKqaGfaacaGGLbaabeaaaaaaleqaaaaa@479E@

where μe is the effective permeability and Ve the effective volume.


Publication date:1990-10
Source
Replaces:
Internal notes:2017-02-27: Subscripts "i" and "B" made italic. See mail exchange with RS and JS 2016-01. JGO

2017-06-02: Cleanup - Remove Attached Image 221-03-341.gif

2017-06-02: Cleanup - Remove Attached Image 221-03-342.gif
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: