BS 148:1984
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for unused mineral insulating oils for transformers and switchgear
Hardcopy , PDF
15-10-1997
English
28-09-1984
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Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Classification
4 Identification and delivery
5 Sampling
6 Properties of the oils
7 Test methods
Appendices
A Method for the evaluation of oxidation stability
B Method for the determination of the maximum diameter
of the pores of a glass filter
Tables
1 Uninhibited mineral insulating oils
2 Inhibited mineral insulating oils
3 Oxidation tube dimensions
4 Thermometer characteristics
5 Precision of test results
Figures
1 Typical eight hole (4 x 2) aluminium heating block
2 Position of the aluminium alloy temperature
measuring block
3 Position of the oxidation tube in the oil bath
4 Arrangement of test vessels
5 Soap bubble flowmeter
6 Apparatus for determination of maximum diameter of
the pores of a glass filter
Gives requirements and test methods for unused insulating oils, both with and without additives, intended for use in transformers, switchgear and similar electrical equipment. Specifies limit values for viscosity, flash point, pour point, density, neutralization value, corrosive sulphur, water content, sludge and acidity after oxidation, breakdown voltage, dissipation factor and gassing tendency.
| Committee |
GEL/10
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| BS 2000-34(1983) : 1983 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - FLASH POINT BY PENSKY-MARTENS CLOSED TESTER |
| BS 2000-15(1982) : 1982 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - POUR POINT OF PETROLEUM OILS |
| BS 2000-71(1982) : 1982 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - KINEMATIC VISCOSITY OF TRANSPARENT AND OPAQUE LIQUIDS AND CALCULATION OF DYNAMIC VISCOSITY |
| IEC 60296:2012 RLV | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| IEC 60474:1974 | Test method for oxidation stability of inhibited mineral insulating oils |
| BS 2000-1(1982) : 1982 | METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - ACIDITY OF PETROLEUM PRODUCTS AND LUBRICANTS (NEUTRALIZATION VALUE) |
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