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BS EN 60383-2:1995

Current

Current

The latest, up-to-date edition.

Insulators for overhead lines with a nominal voltage above 1000 V Insulator strings and insulator sets for a.c. systems. Definitions, test methods and acceptance criteria

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-11-1995

SECTION 1: GENERAL
1 Scope
2 Normative references
3 Definitions
    3.1 Insulator string
    3.2 Insulator set
    3.3 Flash-over
    3.4 Dry lightning impulse withstand voltage
    3.5 50% dry lightning impulse flash-over voltage
    3.6 Wet power-frequency withstand voltage
    3.7 Wet power-frequency flash-over voltage
    3.8 Wet switching impulse withstand voltage
    3.9 50% Wet switching impulse flash-over voltage
4 Electrical values which characterize an insulator or
    an insulator set
SECTION 2: TEST PROCEDURES FOR ELECTRICAL TESTS
5 General requirements for high voltage tests
6 Standard atmosphere conditions and correction factors
    for electrical tests
    6.1 Standard reference atmosphere
    6.2 Correction factors for atmosphere conditions
7 Artificial rain parameters for wet tests
8 Mounting arrangements for electrical tests
9 Lightning impulse voltage tests
10 Wet power-frequency voltage tests
11 Wet switching impulse voltage tests
12 Methods of mounting
    12.1 Standard mounting arrangement of an insulator
          string or insulator set when switching impulse
          tests are not required
    12.2 Standard mounting arrangement of an insulator
          string or insulator set when switching impulse
          tests are required
    12.3 Mounting arrangement reproducing service
          conditions
Annex A (informative) List of normative documents given
        for information
Annex ZA (normative) Other international publications
         quoted in this standard with the references of
         the relevant European publications

Prescribes standard electrical test procedures and acceptance criteria to verify the defined characteristics of insulator strings and insulator sets. Also applies to insulator strings and insulator sets for use on d.c. overhead electric traction lines.

This part of IEC 383 applies to insulator strings and insulator sets comprising string insulator units of ceramic material or glass for use on a.c. overhead power lines with a nominal voltage greater than 1 000 V and a frequency not greater than 100 Hz.

This part of IEC 383 also applies to insulator strings and insulator sets for use on d.c. overhead electric traction lines.

This part of IEC 383 also applies to insulator strings and insulator sets of similar design when used in substations.

It may be regarded as a provisional standard for insulator strings and insulator sets for use on d.c. overhead power lines and for composite insulator sets.

The object of this part of IEC 383 is to prescribe standard electrical test procedures and acceptance criteria to verify the defined characteristics of insulator strings and insulator sets falling within the scope of the part of IEC 383.

These tests and characteristics are intended to give a common base to designers, users and suppliers of overhead lines, insulators and line equipment when definition, evaluation or verification of the electrical characteristics of such equipment is required.

These tests are not intended to be mandatory tests on insulators whether supplied individually or as strings or as sets.

NOTE 1 Tests on string insulator units are dealt with in IEC 383-1. Tests on composite insulators are dealt with in IEC 1109.

NOTE 2 This part does not include artificial pollution or radio-interference tests. These subjects and relevant test methods are dealt with in the following IEC reports:

IEC 437: Report — radio interference test on high-voltage insulators.

IEC 507: Report — artificial pollution tests on high-voltage insulators to be used on a.c. systems.

NOTE 3 Power arc tests are currently under study.

Committee
PEL/36
DevelopmentNote
Supersedes BS 137-1(1982) & 92/21397 DC (05/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
SN EN 60383-2 : 1995 Identical
NBN EN 60383-2 : 1995 Identical
DIN EN 60383-2 : 1995 Identical
EN 60383-2:1995 Identical
I.S. EN 60383-2:1996 Identical
UNE-EN 60383-2:1997 Identical
IEC 60383-2:1993 Identical

BS 5622-1:1979 Guide for insulation co-ordination Terms, definitions, principles and rules
BS 4727-1:GRP12(1991) : 1991 GLOSSARY OF ELECTROTECHNICAL, POWER, TELECOMMUNICATION, ELECTRONICS, LIGHTING AND COLOUR TERMS - TERMS COMMON TO POWER, TELECOMMUNICATIONS AND ELECTRONICS - INSULATORS
IEC 60383-1:1993 Insulators for overhead lines with a nominal voltage above 1000 V - Part 1: Ceramic or glass insulator units for a.c. systems - Definitions, test methods and acceptance criteria
IEC 61109:2008 Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria
BS 5622-2:1979 Guide for insulation co-ordination Application guide
IEC 60437:1997 Radio interference test on high-voltage insulators
IEC 60071-3:1982 Insulation co-ordination - Part 3: Phase-to-phase insulation co-ordination - Principles, rules and application guide
IEC 60507:2013 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems

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