BS 5209:1975
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Code of practice for the testing of sulphur hexafluoride taken from electrical equipment
Hardcopy , PDF
11-12-2009
English
30-09-1975
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Cooperating organizations
Foreword
Section one. General
1. Scope
2. References
3. Position of this code as compared to BS 5207 sulphur
hexafluoride
Section two. General information concerning sulphur
hexafluoride
4. General properties of unused material
5. Impurities, etc. arising during use
6. Safety precautions
Section three. Frequency of testing
7. General
8. Oxygen content
9. Dew point and acidity
10. Hydrolysable fluorides and oil content
Section four. Sampling
11. General
12. Sample line assembly
13. Preparation of sampling point and use of sample line
Section five. Identification of gas
14. General
15. Thermal conductivity detector
16. Method of use
Section six. Determination of the oxygen content
17. Reason for test
18. Magnetic susceptibility method
19. Gas chromatographic method
Section seven. Determination of the dew point of
impurities
20. Principle of method
21. Essential features of dew-point cell
22. Apparatus and material
23. Procedure
24. Calculation of dew point
25. Calculation of dew point at pressures
Section eight. Determination of acidity
26. Principle of method
27. Apparatus
28. Precautions
29. Preparation of reagents
30. Measuring procedure
31. Calculation
Section nine. Determination of hydrolysable fluorides
32. General
33. Test method A (colorimetric determination)
34. Test method B (fluoride ion selective electrode)
Section ten. Determination of mineral oil in sulphur
hexafluoride
35. Principle of method
36. Apparatus
37. Reagents
38. Procedure
39. Calculation
Appendix
A. Hygrometric data for uncontaminated water vapour
Figures
1. Saturated vapour pressure curve for sulphur hexa-
fluoride
2. Arrangement of sulphur hexafluoride acidity
measuring equipment
3. Main features of dew-point cell design
4. Arrangement for measurement of dew point
5. High speed washing bottle for acidity measurements
6. Gas washing bottle for separation of oil from
sulphur hexafluoride gas
7. Apparatus for absorbing oil from sulphur hexafluoride
gas
Methods recommended for sampling and testing used sulphur hexafluoride to assess suitability for further service. Details nature of impurities and possible effect on the reliable operation of equipment.
| Committee |
GEL/10
|
| DevelopmentNote |
Supersedes 71/29897 DC. (07/2005)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 5207:1975 | Specification for sulphur hexafluoride for electrical equipment |
| BS 7354:1990 | Code of practice for design of high-voltage open-terminal stations |
| BS 6867:1987 | Code of practice for maintenance of electrical switchgear for voltages above 36 kV |
| BS 6626:1985 | Code of practice for maintenance of electrical switchgear and controlgear for voltages above l kV and up to and including 36 kV |
| BS 5207:1975 | Specification for sulphur hexafluoride for electrical equipment |
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