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BS EN 60427:2001

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Synthetic testing of high-voltage alternating current circuit-breakers
Available format(s)

Hardcopy , PDF

Superseded date

09-29-2006

Language(s)

English

Published date

07-15-2001

Introduction
Clause
1. Scope
2. Normative references
3. Definitions
4. Synthetic testing techniques and methods - short-circuit
   breaking tests
   4.1 Basic principles and general requirements for
       synthetic breaking test methods
   4.2 Synthetic test circuits and related specific
       requirements for breaking tests
5. Short-circuit making tests
   5.1 Basic principles and general requirements for
       synthetic making test methods
   5.2 Synthetic test circuit and related specific
       requirements for making tests
6. Specific requirements for synthetic tests for making and
   breaking performance related to the requirements of
   subclauses 6.102 to 6.111 inclusive of IEC 60056
Annex AA (informative) Current distortion
Annex BB (informative) Current injection methods
Annex CC (informative) Voltage injection methods
Annex DD (informative) Duplicate circuit (transformer or
         Skeats circuit)
Annex EE (normative) Information to be given and results to
         be recorded for synthetic tests
Annex FF (informative) Special procedures for testing circuit-
         breakers having parallel breaking resistors
Annex GG (normative) Synthetic methods for capacitive-current
         switching
Annex HH (informative) Reignition methods to prolong arcing

Applies to a.c. circuit breakers within the scope of IEC 56 (clause 1). It provides the general rules for testing a.c. circuit breakers, for making and breaking capacities over the range of test duties described in Sub clauses 6.102 and 6.111 of Publication 56, by synthetic methods. The purpose of this standard is to establish criteria for synthetic testing and for the proper evaluation of results. Such criteria will establish the validity of the test method without imposing restraints on innovation of test circuitry.

Applies to a.c. circuit-breakers within the scope of IEC 60056 (Clause 1). It provides the general rules for testing a.c. circuit-breakers, for making and breaking capacities over the range of test-duties described in Subclauses 6.102 to 6.111 of IEC 60056, by synthetic methods. The purpose of this standard is to establish criteria for synthetic testing and for the proper evaluation of results. Such criteria will establish the validity of the test method without imposing restraints on innovation of test circuitry.

Committee
PEL/17
DevelopmentNote
Also numbered as IEC 60427. (06/2001) Supersedes and renumbers BS 7441(1991) (07/2004) Supersedes 98/232712 DC. (05/2005)
DocumentType
Standard
Pages
76
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NBN EN 60427 : 2001 Identical
DIN EN 60427 : 2001 Identical
UNE-EN 60427:2001 Identical
EN 60427:2000 Identical
I.S. EN 60427:2000 Identical
SN EN 60427 : 2000 Identical
NF EN 60427 : 2001 Identical

IEC 60050-441:1984 International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses
IEC 60056:1987 High-voltage alternating-current circuit-breakers
HD 348 : 200S7 HIGH-VOLTAGE ALTERNATING-CURRENT CIRCUIT-BREAKERS

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