What is BS EN 61858-1 - Wire-wound winding EIS about ?
BS EN BS EN 61858-1 is a European Standard on winding wires which is part one of the multi-series that describes procedures for the evaluation of changes to an established electrical insulation system (EIS) for wire-wound electrotechnical devices and the effect of these changes on the thermal classification of the established EIS.
BS EN BS EN 61858-1 is applicable to EIS used in wire-wound winding electrotechnical devices. 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 60505 or has been evaluated by one of the procedures given in the IEC 61857 series.
Who is BS EN 61858-1 - Wire-wound winding EIS for ?
BS EN 61858-1 on wire-wound winding EIS is relevant to:
- Electrical insulation system manufacturers
- Electrical industry
- Winding wires manufacturer
- Laboratories
- Electrical engineers
Why should you use BS EN 61858-1 - Wire-wound winding EIS ?
Wire-wound winding are EIS evaluated with the wire-wound coils that are either random or precision wound; not form wound coils.
BS EN 61858-1 provides relatively low-cost and short-time methods by which the user can make modifications to an established EIS by selecting the following evaluating procedures:
- Procedure A Without test
- Procedure B Compatibility test in accordance
- Procedure C Single-point thermal aging test
- Procedure D Full thermal aging test in accordance
BS EN 61858-1 specifies general considerations substitution of phase, the substitution of winding wire, the substitution of impregnating resin, evaluation, substitution with other EIM, evaluation of additions, chemical compatibility of a combination of materials, Single-point thermal ageing test and full thermal aging test that ensures the quality of insulation equipment.
BS EN 61858-1 is useful as it enables the protection of materials through which electric current flows. With BS EN 61858-1 compliant testing, you can maintain EIS integrity and operational efficiency.
What’s changed since the last update ?
BS EN 61858-1:2014supersedes EN 61858:2008.EN. The following significant technical changes with respect to EN 61858:2008:
- This part is specifically for wire-wound winding EIS
- New figures and charts support the contents