• There are no items in your cart

BS 171-3:1987

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Power transformers Specification for insulation levels and dielectric tests

Available format(s)

Hardcopy , PDF

Superseded date

15-07-2001

Language(s)

English

Published date

30-01-1987

Foreword
Committees responsible
Clause
1 Definitions
2 General
3 Highest voltage for equipment and insulation level
4 Rules for some special classes of transformers
5 Insulation requirements and dielectric tests - Basic
    rules
6 Tests on a transformer having a tapped winding
7 Insulation requirements and test conditions for
    dry-type transformers
8 Repeated dielectric tests
9 Insulation of auxiliary wiring
10 Separate-source voltage withstand test
11 Induced overvoltage withstand test
12 Lightning impulse test
13 Test with lightning impulse chopped on the tail
14 Switching impulse test
Appendix A Application guide for partial discharge
            measurements during induced overvoltage
            withstand test on transformers according
            to Sub-clause 11.4
Appendix B Overvoltage transferred from the high-
            voltage winding to a low-voltage winding
Appendix C Information on transformer insulation and
            dielectric tests to be supplied with an
            enquiry and with an order

Applicable to power transformers (including auto-transformers) with the exception of small and special transformers listed in the scope of BS 171:Part 1.

Committee
PEL/14
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

EN 60289:1994/A11:2002 REACTORS
BS 7821-3:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 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
BS 7821-2.1:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV. Distribution transformers with cable boxes on the high voltage and/or low voltage side General requirements
BS EN 60289:1995 Reactors
BS 7565:1992 Specification for traction transformers and inductors
BS 7821-1:1995 Three phase oil-immersed distribution transformers, 50 Hz, from 50 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
BS 7735:1994 Guide to loading of oil-immersed power transformers

€271.12
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.