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Normas BSI – AENOR
BS EN IEC 63093-14:2019 - TC

BS EN IEC 63093-14:2019 - TC

Tracked Changes. Ferrite cores. Guidelines on dimensions and the limits of surface irregularities. EFD-cores

Fecha:
2020-02-24 /Definitive
Comité:
EPL/51
Resumen:
IEC 63093-14:2019 specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of EFD-cores, the essential dimensions of coil formers to be used with them, and the effective parameter values to be used in calculations involving them. It also gives guidance on the allowable limits of surface irregularities applicable to EFD-cores in accordance with the relevant generic specification.
The selection of core sizes for this document is based on the philosophy of including those sizes which are industrial standards, either by inclusion in national standards, or by broad-based use in industry.
This document is a specification useful in the negotiation between ferrite core manufacturers and users about surface irregularities.
This first edition cancels and replaces the first edition of IEC 62317-14 published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 62317-14:2008:
  1. guidelines on the limits of surface irregularities of EFD-cores were added.
Keywords:
Electrical components, Dimensions, Coils, Magnetic cores, Magnetic circuits, Ferrites
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