Standard

NEK IEC 60247:2004

Feb 2004 Published

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Language English

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Abstract

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.

Document information

Standard from NEK
Published: 6 February 2004
Edition: 3.0
Version: 1
Document type: NAT
Pages
ISBN:

ICS 17.220.99
ICS 29.040.10
National Committee NEK/NK10

Product Relations

Replaces: NEK IEC 60247:1978
Adopted from: IEC 60247:2004

NEK IEC 60247:2004

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