PD IEC/TR 60787:2007
Current
The latest, up-to-date edition.
Application guide for the selection of high-voltage current-limiting fuse-links for transformer circuits
Hardcopy , PDF
English
31-05-2007
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.
| Committee |
PEL/32
|
| DevelopmentNote |
Supersedes BS 6553(1984) & 05/30133504 DC. (05/2007)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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.
| 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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