IEC 60404-16:2018

Magnetic materials - Part 16: Methods of measurement of the magnetic properties of Fe-based amorphous strip by means of a single sheet tester

IEC 60404-16:2018 is applicable to Fe-based amorphous strips specified in IEC 60404-8-11 for the measurement of AC magnetic properties at frequencies up to 400 Hz.
The object of this part is to define the general principles and technical details of the measurement of the magnetic properties of Fe-based amorphous strips by means of a single sheet tester.
The contents of the corrigendum of November 2018 have been included in this copy.

Matériaux magnétiques - Partie 16: Méthodes de mesure des propriétés magnétiques des bandes en alliage amorphe à base de fer à l'aide de l'essai sur tôle unique

L'IEC 60404-16:2018 s'applique aux bandes en alliage amorphe à base de fer spécifiées dans l'IEC 60404-8-11 pour la mesure des propriétés magnétiques en courant alternatif, avec des fréquences allant jusqu'à 400 Hz.
L'objet de la présente partie est de définir les principes généraux et les détails techniques sur la mesure des propriétés magnétiques des bandes en alliage amorphe à base de fer à l'aide de l'essai sur tôle unique.
Le contenu du corrigendum de novembre 2018 a été pris en considération dans cet exemplaire.

General Information

• Status: Published
• Publication Date: 07-Mar-2018
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 17.220.20 - Measurement of electrical and magnetic quantities
• ICS: 29.030 - Magnetic materials
• ICS: 29.080.10 - Insulators
• ICS: 29.240.20 - Power transmission and distribution lines
• Technical Committee: TC 68 - Magnetic alloys and steels
• Drafting Committee: WG 2 - TC 68/WG 2
• Current Stage: PPUB - Publication issued
• Start Date: 16-Mar-2018
• Completion Date: 08-Mar-2018

Relations

• Corrected By: IEC 60404-16:2018/COR1:2018 - Corrigendum 1 - Magnetic materials - Part 16: Methods of measurement of the magnetic properties of Fe-based amorphous strip by means of a single sheet tester
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60404-16 ®
Edition 1.0 2018-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Magnetic materials –
Part 16: Methods of measurement of the magnetic properties of Fe-based
amorphous strip by means of a single sheet tester

Matériaux magnétiques –
Partie 16: Méthodes de mesure des propriétés magnétiques des bandes en
alliage amorphe à base de fer à l'aide de l'essai sur tôle unique

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IEC 60404-16 ®
Edition 1.0 2018-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Magnetic materials –
Part 16: Methods of measurement of the magnetic properties of Fe-based

amorphous strip by means of a single sheet tester

Matériaux magnétiques –
Partie 16: Méthodes de mesure des propriétés magnétiques des bandes en

alliage amorphe à base de fer à l'aide de l'essai sur tôle unique

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.20; 29.030 ISBN 978-2-8322-5426-4

– 2 – IEC 60404-16:2018 © IEC 2018
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 General principles . 8
4.1 Principle of the method . 8
4.2 Test specimen . 9
4.3 Test apparatus . 9
4.3.1 General . 9
4.3.2 Yoke . 10
4.3.3 Windings . 10
4.3.4 Air flux compensation . 11
4.3.5 Magnetic shielding . 11
4.4 Power supply . 11
4.5 Measuring instruments . 12
4.6 Digital sampling technique . 12
5 Measurement procedure . 13
5.1 Principle of measurement. 13
5.2 Preparation of measurement . 13
5.3 Adjustment of power supply . 14
6 Determination of characteristics . 14
6.1 Determination of the magnetic polarization . 14
6.2 Determination of the magnetic field strength . 15
6.3 Determination of the specific total loss . 15
6.4 Determination of the specific apparent power . 16
7 Reproducibility . 16
Annex A (informative) Requirements of the single sheet tester for Fe-based
amorphous strip . 17
A.1 Shape of test specimen . 17
A.2 H coil method . 17
A.3 Yoke . 17
A.4 Wirings . 17
A.5 Non-inductive precision resistor . 18
A.6 Magnetic shielding . 18
A.7 Method for checking the stability of the installed H coil from time to time . 18
Annex B (informative) Digital sampling technique for the determination of the
magnetic properties and numerical air flux compensation . 19
B.1 General . 19
B.2 Technical details and requirements . 19
B.3 Calibration aspects . 22
B.4 Numerical air flux compensation . 22
Annex C (informative) Sinusoidal waveform control of the magnetic polarization by
digital means . 24
Bibliography . 26

Figure 1 – Schematic diagram of the test apparatus. 8
Figure 2 – Circuit of the wattmeter method with H coil mode . 9
Figure 3 – Yoke dimensions . 10
Figure 4 – Circuit of the wattmeter method with H coil mode adopting the digital
sampling technique . 12

– 4 – IEC 60404-16:2018 © IEC 2018
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MAGNETIC MATERIALS –
Part 16: Methods of measurement of the magnetic properties of
Fe-based amorphous strip by means of a single sheet tester

FOREWORD
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