BS 5067:1985
Current
The latest, up-to-date edition.
Specification for flameproof transformers for use in mines
Hardcopy , PDF
English
31-07-1985
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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 |
Current
|
This British Standard specifies design requirements for dry-type flameproof three-phase power transformers intended for use below ground in mines.
This standard does not apply to transformers of the types covered by BS 25381) and BS 5126-4.
Appendix A lists information to be supplied by the purchaser with the enquiry and order.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.
| BS 171:1970 | Specification for power transformers |
| BS 3643(1963) : LATEST | |
| BS 3905:1995 | Specification for 3.8/6.6 kV, 300 A bolted flameproof cable couplers and adaptors, for use in coal mines. |
| BS 5901:1980 | Method of test for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions |
| BS 2538:1954 | Specification for air-cooled flameproof single-phase lighting transformer units supplied from high voltage systems |
| BS 3454:1995 | Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors) for use in coal mines |
| BS 5126-4:1982 | Mining type flameproof supply and control units for use on systems up to 1100 V Specification for units to power drilling machines |
| BS 5501-1:1977 | Electrical apparatus for potentially explosive atmospheres General requirements |
| BS 542:1973 | Specification for cable glands and sealing boxes for association with apparatus for use at mines and quarries |
| BS 5501-5:1977 | Electrical apparatus for potentially explosive atmospheres Flameproof enclosure \'d\' |
| BS 3032:1958 | Specification for higher tensile steel shackles |
| BS 3692:2001 | ISO metric precision hexagon bolts, screws and nuts. Specification |
| BS 4683-2:1971 | Specification for electrical apparatus for explosive atmospheres The construction and testing of flameproof enclosures of electrical apparatus |
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