GB/T 31838.6-2021Solid insulating materials - Dielectric and resistive properties - Part 6: Dielectric properties(AC method) - Relative permittivity and dielectric dissipation factor(frequencies 0.1Hz~10 MHz) (English PDF)
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Issued by
State Administration for Market Regulation, China National Standardization Administration
Level / Type
National · Recommended
Issue date
May 21, 2021
Implementation date
December 1, 2021
Scope
GB/T 31838.6-2021 (Solid insulating materials - Dielectric and resistive properties - Part 6: Dielectric properties(AC method) - Relative permittivity and dielectric dissipation factor(frequencies 0.1Hz~10 MHz)) is available as an English-translated PDF.
GB/T 31838.6-2021 is the Chinese standard "Solid insulating materials - Dielectric and resistive properties - Part 6: Dielectric properties(AC method) - Relative permittivity and dielectric dissipation factor(frequencies 0.1Hz~10 MHz)".
Its scope clause reads: This document describes the measurement of the dielectric constant and dielectric loss factor characteristics of solid insulating materials in the frequency range of 0.1 Hz to 100 MHz.
Test method (AC method). Note. This document mainly considers a measuring device system with a protective electrode. Its clauses include terms and definitions.
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Document preview — GB/T 31838.6-2021
National Standard of the People's Republic of China
- Classification
- K 15
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Test method
- 5 Test procedure
- 6 Report
- 7 Repeatability and reproducibility
- Appendix A (informative) Basic measurement
1 Scope
This document describes the measurement of the dielectric constant and dielectric loss factor characteristics of solid insulating materials in the frequency range of 0.1 Hz to 100 MHz.
Test method (AC method).
Note. This document mainly considers a measuring device system with a protective electrode.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
IEC 60212 Standard conditions for solid insulating materials before and during the test (Standard conditions for use priority toandduringthetestingofsolidelectricalinsulatingmaterials)
ISO 4593 Plastic Film and Sheeting Mechanical Scanning Determination of Thickness (Plastics-Filmandsheeting-Determinationof thicknessbymechanicalscanning)
3 Terms and definitions
The following terms and definitions apply to this document.
The terms and definitions used in this document in ISO and IEC can be found on the following website.
3.1 Electrical insulating material
A solid material with negligible low conductivity used to isolate conductor parts with different electric potentials.
Note. The term "electrical insulating material" can also refer to insulating liquids and insulating gases. IEC 60247 contains the content of insulating liquids.
3.2 Dielectric properties
The comprehensive performance of insulating materials measured by AC voltage, including capacitance, absolute permittivity, relative permittivity, and relative complex permittivity.
Number, dielectric loss factor.
3.3 Absolute permittivity
The quotient of the electric flux density divided by the electric field strength. […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.
Referenced standards
Normative references
IEC 60212 · ISO 4593
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Related Standards
GB/T 31838.1-2015 — Solid insulating materials -- Dielectric and resistive properties -- Part 1: General
GB/T 31838.2-2019 — Solid insulating materials -- Dielectric and resistive properties -- Part 2: Resistive properties (DC methods) -- Volume resistance and volume resistivity
GB/T 31838.3-2019 — Solid insulating materials -- Dielectric and resistive properties -- Part 3: Resistive properties (DC methods) -- Surface resistance and surface resistivity
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