BS 5067:1985
Withdrawn
Specification for flameproof transformers for use in mines
Hardcopy , PDF
English
07-31-1985
05-22-2026
Foreword
Committees responsible
Specification
1 Scope
2 General
3 Insulation and temperature rise
4 kVA ratings
5 Voltages and connections
6 Frequency
7 Voltage adjustment tappings
8 General design and construction
9 Lifting and anchoring of core
10 Removable covers
11 Wheels
12 Mounting flanges and terminals
13 Provision for cable terminations
14 Over-voltage protection and earthing
15 Marking and rating plates
Appendices
A Information to be supplied by the purchaser with
enquiry and order
B Earth fault protection
Table
1 Clearance and creepage distances in air
Figures
1 Example of terminal marking plate showing standard
items of information to be provided and their
arrangement
2 Mounting flange at lower-voltage end of transformer
3 Mounting flange at higher-voltage end of transformer
(for voltages not exceeding 6.6 kV)
4 Mounting flange at higher-voltage end of transformer
(for voltages exceeding 6.6 kV and up to 11 kV)
5 Equipment flange (for voltages not exceeding 6.6 kV)
6 Equipment flange (for voltages exceeding 6.6 kV and
up to 11 kV)
7 Example of rating plate for flameproof transformer
showing standard items of information to be
provided and their arrangement
8 System b type earth fault protection circuit
Covers dry-type flameproof three-phase power transformers up to 11 kV for use underground in mines. States voltages, ratings and connections; mounting flanges and cable terminations; over-voltage protection and earthing.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes BS 5067(1974) & 83/78987 DC. (07/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
Withdrawn:This standard is no longer used
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