SN EN 10252 : 1997
Current
The latest, up-to-date edition.
MAGNETIC MATERIALS - METHODS OF MEASUREMENT OF MAGNETIC PROPERTIES OF ELECTRICAL STEEL SHEET AND STRIP AT MEDIUM FREQUENCIES
12-01-2013
Foreword
1 Scope
2 Normative references
3 Accuracy and reproducibility
4 General conditions for a.c. measurements made with the
25 cm Epstein frame
5 Determination of specific total loss by the wattmeter
method
6 Determination of magnetic field strength, excitation
current and specific apparent power
Annexes
A (informative) Epstein frame for use at medium frequencies
Applies to electrical steel sheet and strip for constructing magnetic circuits to be used in the frequency range 400 - 10 000 Hz. Defines three methods for measuring magnetic properties of electrical steel sheet and strip, ie. a.c. measurements made with 25 cm Epstein frame, determining of specific total losses using the wattmeter method and determining magnetic field strength excitation and current and specific apparent power.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 10252:1997-05 | Identical |
| BS EN 10252:1997 | Identical |
| UNI EN 10252 : 1999 | Identical |
| UNE-EN 10252:1997 | Identical |
| EN 10252:1997 | Identical |
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