IEC TR 62271-308:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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High-voltage switchgear and controlgear - Part 308: Guide for asymmetrical short-circuit breaking test duty T100a
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
09-08-2002
21-04-2008
FOREWORD
1 General
1.1 Scope
1.2 Reference documents
2 Definitions
3 Ratings
4 Test procedure
4.1 Demonstration of arcing times during three-phase
tests for test-duty T100a
4.2 Demonstration of arcing times during single-phase
tests in substitution of three-phase conditions in
a non-solidly earthed neutral system (first
pole-to-clear factor 1,5) for test-duty T100a
4.3 Demonstration of arcing times during single-phase
tests in substitution of three-phase conditions in a
solidly earthed neutral system (first pole-to-clear
factor 1,3) for test-duty T100a
4.4 DC component of short-circuit breaking current
4.5 Test-duty T100a
5 Asymmetry criteria
5.1 Direct tests
5.2 Synthetic tests
5.3 Adjustment measures
Annex A Calculation of the TRV parameters during asymmetrical
fault condition (T100a)
Annex B Table B.1 - Tolerances on test quantities for type tests
Annex C Alternative to C.2.5 of IEC 62271-100
Annex D Examples for the application of the asymmetry criteria
during asymmetrical test duty
Annex E Updated information regarding item g) of I.2.1 of
IEC 62271-100
Figures
Tables
This technical report contains information and test procedures for type testing of circuit-breakers relevant to short-circuit breaking performance during asymmetrical test duty (T100a) as required by IEC 62271-100.This technical report covers all possible testing cases, i.e. single-phase, three-phase, direct tests, synthetic tests, first pole-to-clear factors 1,3 and 1,5.
| DocumentType |
Technical Report
|
| Pages |
89
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PD IEC/TR 62271-308:2002 | Identical |
| NEN NPR IEC/TR 62271-308 : 2002 | Identical |
| AS 62271.308-2005 | Identical |
| IEC TR 62271-306:2012 | High-voltage switchgear and controlgear - Part 306: Guide to IEC 62271-100, IEC 62271-1 and other IEC standards related to alternating current circuit-breakers |
| IEC 62271-100:2008+AMD1:2012+AMD2:2017 CSV | High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers |
| IEC 60427:2000 | Synthetic testing of high-voltage alternating current circuit-breakers |
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