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IEC 60205:2026

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Abstract

IEC 60205:2026 specifies uniform rules for the calculation of the effective parameters of closed circuits of ferromagnetic material. This edition includes the following significant technical changes with respect to the previous edition: a) addition, in 5.1, of the drawing and the formulae of pair of URS-cores of rectangular-circular section; b) using, in 5.9, 5.10, 5.11 and 5.13, the conventional calculation formula that includes "B1‑D" is limited for the x-x cores (x is EL, ER, PQ or E) and addition new formulae for x‑PLT cores that replaces "B1-D" with "(B1-D+B2)/2"; c) addition, in 5.9, 5.10, 5.11 and 5.13, of formulae of l1 and l3 for x-PLT cores (x is EL, ER, PQ or E) which is different from the l1 and l3 of x-x cores; d) addition of formula Amin in each subclause from 5.2.1 to 5.14.

Document information

  • Standard from IEC
  • Published:
  • Edition: 5
  • Version: 1
  • Document type: IS
  • ICS 29.100.10
  • ISO TC TC 51

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