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BS 7844-1:1996

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA with highest voltage for equipment not exceeding 36 kV General requirements and requirements for transformers with highest voltage for equipment not exceeding 24 kV

Available format(s)

Hardcopy , PDF

Superseded date

31-07-2011

Superseded by

BS EN 50541-1:2011

Language(s)

English

Published date

15-08-1996

€140.23
Excluding VAT

Foreword
1 General
1.1 Scope
1.2 Object
1.3 Compliance with current Harmonization Documents
2 Electrical characteristics
2.1 Rated power
2.2 Highest voltages for equipment of windings
2.3 Rated voltages of windings
2.4 Tappings
2.5 Connections
2.6 Dimensioning of neutral connection of the low-voltage
     winding
2.7 Losses, sound power level and impedance voltage
2.8 Partial discharge
2.9 Insulation levels and dielectric tests
3 Design requirements
3.1 Environmental and climatic classes
3.2 Fire behaviour classes
3.3 Terminals
3.4 Enclosures
4 Dimensional characteristics
4.1 Dimensions and rollers
5 Accessories
Annexes
A (informative) National deviations
B (normative) Normative references

Applies to transformers for continuous service and with natural ventilation. The maximum secondary voltage is 1,1 kV.

Committee
PEL/14
DevelopmentNote
Supersedes 91/18822 DC (10/2005) Reviewed and confirmed by BSI, January 2008. (12/2007)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
HD 538.1 S1:1992/AC:2011 Identical

BS 7844-2:1996 Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA with highest voltage for equipment not exceeding 36 kV Supplementary requirements for transformers with highest voltage for equipment equal to 36 kV

IEC TR 60616:1978 Terminal and tapping markings for power transformers
BS 7697:1993 Nominal voltages for low voltage public electricity supply systems

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