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  • BSI
    BS EN IEC 60071-1:2019 Insulation co-ordination - Definitions, principles and rules
    Edition: 2019
    $418.55
    / user per year

Description of BS EN IEC 60071-1:2019 2019

IEC 60071-1:2019 is available as IEC 60071-1:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 60071-1:2019 applies to three-phase AC systems having a highest voltage for equipment above 1 kV. It specifies the procedure for the selection of the rated withstand voltages for the phase-to-earth, phase-to-phase and longitudinal insulation of the equipment and the installations of these systems. It also gives the lists of the standard withstand voltages from which the rated withstand voltages are selected. This document describes that the selected withstand voltages are associated with the highest voltage for equipment. This association is for insulation co-ordination purposes only. The requirements for human safety are not covered by this document. Although the principles of this document also apply to transmission line insulation, the values of their withstand voltages can be different from the standard rated withstand voltages. The apparatus committees are responsible for specifying the rated withstand voltages and the test procedures suitable for the relevant equipment taking into consideration the recommendations of this document.
NOTE In IEC 60071-2, all rules for insulation co?ordination given in this document are justified in detail, in particular the association of the standard rated withstand voltages with the highest voltage for equipment. When more than one set of standard rated withstand voltages is associated with the same highest voltage for equipment, guidance is provided for the selection of the most suitable set.
The main changes from the previous edition are as follows:
- all references are updated to current IEC standards, and the bibliography is deleted;
- some definitions are clarified in order to avoid overlapping and ensure clear understanding;
- letter symbols are changed and corrected in order to keep the consistency with relevant IEC standards;
- some titles are changed to clarify understanding (see Clauses A.2, A.3 and Annex B).



Standard NumberBS EN IEC 60071-1:2019
TitleInsulation co-ordination - Definitions, principles and rules
StatusDefinitive
Publication Date2019-10-25
ReplacesBS EN 60071-1:2006+A1:2010
Identical National Standard OfEN 60071-1 Ed.9.0, IEC 60071-1 Ed.9.0
DescriptorsDielectric-strength tests, Definitions, High-voltage installations, Dielectric strength, Withstand voltage, High-voltage equipment, Three-phase current, Electrical protection equipment, Coordination, Electrical installations, Electrical equipment, Electrical testing, Overvoltage, Rated voltage, Impulse voltages, Electrical insulation
ICS29.080.30 Insulation systems
CommitteePEL/99
ISBN978 0 580 99117 2
PublisherBSI
Pages42

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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