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IEC 60247:2004 (EN-FR)

Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity

Standard Details

Describes methods for the determination of the dielectric dissipation factor, relative permittivity and d.c. resistivity of any insulating liquid material at the test temperature. The methods are primarily intended for making reference tests on unused liquids. They can also be applied to liquids in service in transformers, cables and other electrical apparatus. However the method is applicable to a single phase liquid only. When it is desired to make routine determinations, simplified procedures, as described in Annex C, may be adopted. With insulating liquids other than hydrocarbons, alternative cleaning procedures may be required. The main changes from the previous edition deal with the preferred measurement method.

General Information

Status : ACTIVE
Standard Type: Main
Document No: IEC 60247:2004 (EN-FR)
Document Year: 2004
Pages: 53
Edition: 3.0
  • Section Volume:
  • TC 10 Fluids for electrotechnical applications
  • ICS:
  • 17.220.99 Other standards related to electricity and magnetism
  • 29.040.10 Insulating oils

Life Cycle

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ACTIVE
IEC 60247:2004 (EN-FR)
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