BS 148:2009

Superseded

View Superseded by

Reclaimed mineral insulating oil for transformers and switchgear. Specification

Available format(s)

Hardcopy , PDF

Superseded date

03-30-2020

Language(s)

English

Published date

02-28-2009

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Identification and delivery
5 Sampling
6 Properties of the oils
7 Test methods
Annexes
Annex A (normative) - Analysis method for determination
                      of passivators in mineral oils by
                      high performance liquid chromatography
                      (HPLC)
Bibliography

Describes requirements for reclaimed oxidation inhibited and uninhibited mineral insulating oils, as delivered, for use in transformers, switchgear and similar electrical equipment in which oil is required as an insulant or for heat transfer.

Committee	GEL/10
DevelopmentNote	Supersedes BS 148(1998) & 08/30167496 DC. (02/2009)
DocumentType	Standard
Pages	22
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS 148:2020

BS EN 60247:2004	Insulating liquids. Measurement of relative permittivity, dielectric dissipation factor (tan δ) and d.c. resistivity
BS EN ISO 3675:1998	Crude petroleum and liquid petroleum products. Laboratory determination of density. Hydrometer method
BS EN 60296:2012	Fluids for electrotechnical applications. Unused mineral insulating oils for transformers and switchgear
BS EN 62021-1:2003	Insulating liquids. Determination of acidity Automatic potentiometric titration
BS EN 62021-2:2007	Insulating liquids. Determination of acidity Colourimetric titration
BS EN 60156:1996	Insulating liquids. Determination of the breakdown voltage at power frequency. Test method
BS EN 61125:1993	Unused hydrocarbon-based insulating liquids. Test methods for evaluating the oxidation stability
IEC 60475:2011	Method of sampling insulating liquids
BS 5263:1975	Method for sampling liquid dielectrics
BS EN 60814:1998	Insulating liquids. Oil-impregnated paper and pressboard. Determination of water by automatic coulometric Karl Fischer titration
BS 5984:1980	Method for detection and determination of specified anti-oxidant additives in insulating oils
BS EN 62535:2009	Insulating liquids. Test method for detection of potentially corrosive sulphur in used and unused insulating oil
BS EN ISO 3104:1996	Methods of test for petroleum and its products. Petroleum products. Transparent and opaque liquids. Determination of kinematic viscosity and calculation of dynamic viscosity
BS EN 61198:1994	Mineral insulating oils. Methods for the determination of 2-furfural and related compounds
BS 2000-15(1995) : 1995	METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - PETROLEUM PRODUCTS - DETERMINATION OF POUR POINT
BS EN ISO 2719:2002	Determination of flash point. Pensky-Martens closed cup method
BS EN 61619:1997	Insulation liquids. Contamination by polychlorinated biphenyls (PCBs). Method of determination by capillary column gas chromatography