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IEC 60044-6:1992

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Instrument transformers - Part 6: Requirements for protective current transformers for transient performance

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

18-09-2012

Superseded by

IEC 61869-2:2012

Language(s)

English - French, Spanish, Castilian

Published date

30-03-1992

€280.71
Excluding VAT

FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Definitions
4 Ratings and performance requirements
5 Methods of specification
6 Marking of rating plate
7 Tests
Annexes
A Basic theoretical equations for transient dimensioning
B Determination of core magnetization characteristic
C Direct tests
D Guide to performance criteria for current transformer
  for protection relaying
E Determination of turns ratio error

Concerns requirements and tests, in addition to those given in chapter 1 of IEC 60185, that are necessary when inductive current transformers are used with electrical protective schemes in which the prime requirement is the maintenance of a defined performance up to several times the rated current when the current contains an exponentially decaying d.c. component of defined time constant.

DevelopmentNote
Also numbered as BS EN 60044-6. (05/2005)
DocumentType
Standard
Pages
87
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy

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IEC 60056:1987 High-voltage alternating-current circuit-breakers

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