Specification for unused mineral insulating oils for transformers and switchgear

Available format(s)

Hardcopy , PDF

Superseded date

15-10-1997

Language(s)

English

Published date

28-09-1984

Publisher

British Standards Institution

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Status	Superseded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)