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Normas BSI – AENOR
BS EN 61858:2000, IEC 61858:1999

BS EN 61858:2000, IEC 61858:1999

Electrical insulation systems. Thermal evaluation of modifications to an established wire-wound EIS

Fecha Anulación:
2005-04-11 /Withdrawn
Comité:
GEL/112
Equivalencias internacionales:

EN 61858 (IEC 61858:1999 Adopted)

IEC 61858:1999

Relación con otras normas BSI:

Reemplazada por: BS EN 61858:2005

Resumen:
Lists the required test procedures for qualification of modifications of an established electrical insulation system (EIS) with respect to its thermal classification. Applicable to EIS used in wire-wound electrotechnical devices with input voltage up to 1000 V. The test procedures are comparative in that the performance of a candidate EIS is compared to that of a reference EIS, which has proven service experience in accordance with IEC 60791 or has been evaluated by one of the procedures given in IEC 61857 series.
Keywords:
Thermal testing, Electrical insulation, Electrical testing, Thermal properties of materials, Thermal stress, Electrical insulating materials, Life (durability), Electric wires, Windings, Dielectric-strength tests
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