ASTM D 924 Standard Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids
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ASTM D 924 Document Information:
Title
Standard Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids
ASTM International
Publication Date:
Oct 1, 2004
Scope:
This test method describes testing of new electrical insulating
liquids as well as liquids in
service or subsequent to service in cables, transformers, oil circuit
breakers, and other
electrical apparatus.
This test method provides a procedure for making referee tests at a
commercial frequency of between
45 and 65 Hz.
Where it is desired to make routine determinations requiring less
accuracy, certain modifications
to this test method are permitted as described in Sections 16 to 24.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and
health practices and to determine the applicability of regulatory
limitations prior to use.
Specific warnings are given in 11.3.3.
Keywords:
- dielectric constant
- dissipation factor
- power factor
- relative humidity
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