Application guide for the selection of high-voltage current-limiting fuse-links for transformer circuits

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-05-2007

Publisher

British Standards Institution

1 Scope and object
2 Normative references
3 Features of current limitation
4 Fuse-link time-current characteristics
5 Coordination
6 Other ratings and requirements
  6.1 Rated voltage
  6.2 Rated maximum breaking current
  6.3 Rated minimum breaking current and class:
      6.3.1 Fuse-links used in combination or
            association with other switching
            devices
      6.3.2 Fuse-links used as the only protection
            on the HV side of the transformer
      6.3.3 Fuse-links used to provide short-circuit
            protection in combination with expulsion
            fuse-links
7 Selection of rated currents of fuse-links for
  transformer circuit applications

Describes criteria for coordination of high-voltage fuses with other circuit components in transformer applications and to give guidance for the selection of fuse-links with particular reference to their time-current characteristics and ratings.

The object of this Technical Report is to specify criteria for coordination of high-voltage fuses with other circuit components in transformer applications and to give guidance for the selection of fuse-links with particular reference to their time-current characteristics and ratings. This technical report cancels and replaces International Standard IEC 60787, published in 1983, and constitutes a technical revision.

Committee	PEL/32
DevelopmentNote	Supersedes BS 6553(1984) & 05/30133504 DC. (05/2007)
DocumentType	Standard
Pages	12
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 6553:1984 05/30133504 DC : DRAFT MAY 2005

Standards	Relationship
IEC TR 60787:2007	Identical

IEC 60076-7:2005	Power transformers - Part 7: Loading guide for oil-immersed power transformers
IEC 62271-105:2012	High-voltage switchgear and controlgear - Part 105: Alternating current switch-fuse combinations for rated voltages above 1 kV up to and including 52 kV
IEC 60076-5:2006	Power transformers - Part 5: Ability to withstand short circuit
IEC 60470:1999	High-voltage alternating current contactors and contactor-based motor-starters
IEC 60282-1:2009+AMD1:2014 CSV	High-voltage fuses - Part 1: Current-limiting fuses
IEC 60905:1987	Loading guide for dry-type power transformers
IEC 62271-107:2012	High-voltage switchgear and controlgear - Part 107: Alternating current fused circuit-switchers for rated voltages above 1 kV up to and including 52 kV

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PD IEC/TR 60787:2007

Current

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory

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