PD 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
High-voltage switchgear and controlgear Guide for asymmetrical short-circuit breaking test duty T100a
Hardcopy , PDF
English
10-10-2002
31-07-2009
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 1.2.1
of IEC 62271-100
Figures and Tables
Gives information and test procedures for type testing of circuit-breakers relevant to short-circuit breaking performance during asymmetrical test duty. Also 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.
| Committee |
PEL/17
|
| DocumentType |
Standard
|
| Pages |
48
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
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.
| Standards | Relationship |
| IEC TR 62271-308:2002 | Identical |
| 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 |
Please Login or Create an Account so you can add users to your Multi user PDF Later.
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Users cannot be edited or removed once added to your Multi user PDF.