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ČSN EN IEC 60404-3 (345884)
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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STANDARD published on 1.5.2023
The information about the standard:
Designation standards: ČSN EN IEC 60404-3
Classification mark: 345884
Catalog number: 516730
Publication date standards: 1.5.2023
SKU: NS-1142033
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Measurement of electrical and magnetic quantitiesMagnetic materials
Annotation of standard text ČSN EN IEC 60404-3 (345884):
This part of IEC 60404 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). The single sheet tester is applicable to test specimens obtained from electrical steel strips and sheets of any grade. The AC magnetic characteristics are determined for sinusoidal induced voltages, for specified peak values of the magnetic polarization, for specific peak values of the magnetic field strength and for a specified frequency. The measurements are made at an ambient temperature of (23±5)°C on test specimens which have first been demagnetized. NOTE - Throughout this document, the quantity "magnetic polarization" is used as defined in IEC 60050-221. In some standards of the IEC 60404 series, the quantity "magnetic flux density" was used. In order to support the long-term reliability of the performance of this set up and to understand better the relationship between the Epstein method and the SST method, the informative Annexes B and C, respectively, have been included
