BS 7767:1994
Current
The latest, up-to-date edition.
Method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA)
Hardcopy , PDF
English
15-07-1994
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Committees responsible
National foreword
Method
Introduction
1 Scope
2 Reference documents
3 Definitions
4 Method of extrapolation
5 Conditions for application
Figures
1 Type-tested busbar structure (TS)
2 Non type-tested busbar structure (NTS)
3 Angular busbar configuration with supports at the
corners
Method of extrapolation which may be used for partially type-tested assemblies to prove compliance with the requirements of 7.5.1 of IEC 60439-1.
| Committee |
PEL/121/2
|
| DevelopmentNote |
Also numbered as IEC 61117 Supersedes 90/33360 DC (10/2005)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This Technical Report describes an extrapolation method for assessing the short-circuit withstand strength of partially type-tested assemblies (PTTA).
| IEC 60865-1:2011 | Short-circuit currents - Calculation of effects - Part 1: Definitions and calculation methods |
| IEC TR 60865-2:2015 | Short-circuit currents - Calculation of effects - Part 2: Examples of calculation |
| IEC 60439-1:1999+AMD1:2004 CSV | Low-voltage switchgear and controlgear assemblies - Part 1: Type-tested and partially type-tested assemblies |
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