This part of GB/T 3048 specifies the terms and definitions, test apparatus, specimen preparation, test procedures, test results and calculation, precautions and test records of test for dielectric dissipation factor.
This part is applicable to measure the dielectric dissipation factor (tanδ) and capacitance of cable products under power frequency AC voltage, but not to winding wire products.
This part shall be used in combination with GB/T 3048.1.
2 Normative references
The following documents contain provisions which, through reference in this part of GB/T 3048, constitute provisions of this part. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent Editions of the normative documents indicated below. For undated references, the latest editions apply to this part.
GB/T 2900.19 Electrotechnical terminology - High-voltage test technique and insulation co-ordination
GB/T 3048.1 Test methods for electrical properties of electric cables and wires - Part 1: General
GB/T 3048.8-2007 Test methods for electrical properties of electric cables and wires - Part 8: AC voltage test
3 Terms and definitions
For the purposes of this part of GB/T 3048, the terms and definitions specified in GB/T 2900.19 and the following apply.
