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IEC 60404-3 Ed.3.0 Edition 11/2022
Magnetic materials - Part 3: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of a single sheet tester
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Abstract

IEC 60404-3:2022 is applicable to grain-oriented and non-oriented electrical steel strip and sheet for measurement of AC magnetic properties at power frequencies. The object of this document is to define the general principles and the technical details of the measurement of the magnetic properties of electrical steel strip and sheet by means of a single sheet tester (SST). This edition includes the following significant technical changes with respect to the previous edition:
- Annex A was revised. The method of determining the yokes’ lamination resistance was added to Annex A;
- Annex B of the consolidated version of 2010 referred to calibration of the SST using the Epstein method. It was cancelled;
- Annex B (new), Annex C and Annex D were revised, they are for information only;
- Annex C was modified taking account of the new situation regarding P and R grades;
- Annex D was amended by addition of Clause D.4 on the numerical air flux compensation.

Status

Standard - Active

Origin

Technical Committee :
68 : Magnetic alloys and steels

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Relations to older standards
IEC 60404-3 Ed. 2.0
IEC 60404-3 Ed. 2.1
IEC 60404-3 am2 Ed. 2.0
IEC 60404-3 Ed. 2.2
IEC 60404-3 am1 Ed. 2.0
IEC 60404-3 am2 fC1 Ed. 2.0

International Classification for Standards (ICS codes) :

17.220.20 : Measurement of electrical and magnetic quantities
29.030 : Magnetic materials

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