BS EN 60422:2006 - Mineral insulating oils in electrical equipment. Supervision and maintenance guidance – BSI British Standards

BS EN 60422:2006

Mineral insulating oils in electrical equipment. Supervision and maintenance guidance

Status : Revised, Superseded, Withdrawn   Published : June 2009 Replaced By : BS EN 60422:2013

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BS EN 60422:2006 Mineral insulating oils in electrical equipment. Supervision and maintenance guidance

BS EN 60422 gives guidance on the supervision and maintenance of the quality of the insulating oil in electrical equipment.

BS EN 60422 applies to mineral insulating oils, originally supplied conforming to BS IEC 60296, and used in transformers, switchgear and other electrical apparatus where oil sampling is reasonably practicable and where the normal operating conditions specified in the equipment specifications apply.

BS EN 60422 assists the power equipment operator to evaluate the condition of the oil and maintain it in a serviceable condition. It also provides a common basis for the preparation of more specific and complete local codes of practice.

BS EN 60422 includes recommendations on tests and evaluation procedures and outlines methods for reconditioning and reclaiming oil and the decontamination of oil contaminated with PCB.

The condition monitoring of electrical equipment, for example by analysis of dissolved gases, furanic compounds or other means is outside the scope of this standard.

Contents of BS EN 60422:

  • Introduction
  • Scope
  • Normative references
  • Terms and definitions
  • General remarks
  • General caution
  • Environment
  • Properties and deterioration/degradation of oil
  • Oil tests and their significance
  • General
  • Colour and appearance
  • Breakdown voltage
  • Water content
  • Acidity
  • Dielectric Dissipation Factor (DDF) and resistivity
  • Inhibitor content and oxidation stability
  • Sediment and sludgeInterfacial tension (IFT)
  • Particle count
  • Flash-point
  • Compatibility of insulating oils
  • Pour-point
  • Density
  • Viscosity
  • Polychlorinated biphenyls (PCBs)
  • Corrosive sulphur
  • Sampling of oil from equipment
  • Categories of equipment
  • Evaluation of mineral insulating oil in new equipment
  • Evaluation of oil in service
  • General
  • Frequency of examination of oils in service
  • Testing procedures
  • Classification of the condition of oils in service
  • Corrective action
  • Handling and storage
  • Treatment
  • General
  • Reconditioning
  • Reclaiming
  • Decontamination of oils containing PCB
  • Replacement of oil in electrical equipment
  • Replacement of oil in transformers rated below 72,5 kV and in switchgear and associated
  • equipment
  • Replacement of oil in transformers rated 72,5 kV and above
  • Replacement of oil in electrical equipment contaminated with PCB
  • Sampling temperature below 20 ºC
  • Particles
  • Test method for determination of sediment and sludge
  • Bibliography



Standard NumberBS EN 60422:2006
TitleMineral insulating oils in electrical equipment. Supervision and maintenance guidance
StatusRevised, Superseded, Withdrawn
Publication Date30 June 2009
Withdrawn Date31 May 2013
Normative References(Required to achieve compliance to this standard)BS EN 60156:2018, EN 12049:1996, IEC 60666, ISO 3104, IEC 61125:2018, IEC 60247, IEC 60475, IEC 60156:2018, ISO 3675:1998, ISO 2049, ISO 3675, ISO 3016, EN 60296:2004/Corrigendum:2004, EN 60156:1995, EN 60814:1997, EN 60247:2004, IEC 62021-1, IEC 60970, IEC 61619, ISO 2719, EN 62021-1:2003, EN ISO 3104:1996, IEC 60296, EN ISO 2719:2002, EN 60296:2004, IEC 60814, EN 61619:1997, ASTM D971-99a:2004, HD 415 S1:1981
Informative References(Provided for Information)ISO 4793:1980, ISO 5662, CIGRE 157:2000, ISO 4406, IEC 60354, IEC 61198, IEC 60599, IEEE C57.106:2002, ISO 4407, IEC 60567, BS 6522, DIN 51353, ISO/IEC Guide 73, CIGRE 227:2003, ASTM D 5185
Replaced ByBS EN 60422:2013
ReplacesBS 5730:2001
International RelationshipsEN 60422:2006,IEC 60422:2005
Draft Superseded By02/207269 DC
DescriptorsOil switches, Oil-immersed transformers, Impurities, Contamination, Maintenance, Mineral oils, Switchgear, Transformers, Electrical equipment, Insulating oils, Reconditioning, Oil-filled electrical equipment, Polychlorinated biphenyls, Recycling, Liquid electrical insulating materials, Decontamination
ICS29.040.10
29.130.01
Title in FrenchHuiles minérales isolantes dans les matériels électriques. Lignes directrices pour la maintenance et la surveillance
Title in GermanRichtlinien zur Überwachung und Wartung von Isolierölen auf Mineralölbasis in elektrischen Betriebsmitteln
CommitteeGEL/10
ISBN978 0 580 53593 2
PublisherBSI
FormatA4
DeliveryNo
Pages50
File Size739 KB
Price£240.00


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