Normy GB - Čínské národní normy - strana 2755

Solid insulating materials—Dielectric and resistive properties—Part 4: Resistive properties (DC methods)—Insulation resistance

Norma vydaná dňa 4.6.2019

Solid insulating materials—Dielectric and resistive properties—Part 5:Resistive properties(DC method)—Volume resistance and volume resistivity of impregnation and coating materials

Norma vydaná dňa 21.5.2021

Solid insulating materials—Dielectric and resistive properties—Part 6:Dielectric properties(AC method)—Relative permittivity and dielectric dissipation factor (frequencies 0.1Hz~10MHz)

Norma vydaná dňa 21.5.2021

Solid insulating materials—Dielectric and resistive properties—Part 7:Resistive properties(DC method)—Measurement of volume resistance and volume resistivity at elevated temperatures

Norma vydaná dňa 21.5.2021

Solid insulating materials—Dielectric and resistive properties—Part 8Determination of dielectric properties(AC method)—Relative permittivity and dielectric dissipation factor(frequencies 1 MHz~300 MHz)

Norma vydaná dňa 23.8.2024

Solid insulating materials—Dielectric and resistive properties—Part 9: Determination of dielectric properties(AC method)—Relative permittivity and dielectric dissipation factor—Contact electrode method for insulating films
K dispozici od: únor 2027

Norma vydaná dňa 30.7.2026

Mechanical structures for electrotechnical and electronic equipment—Safety requirements and tests

Norma vydaná dňa 3.7.2015

Lead chromate pigments and lead chromate-molybdate pigments

Norma vydaná dňa 14.5.2008

Aluminum alloys power cables with extruded insulation for rated voltages from 1kV(Um=1.2kV)up to 35kV(Um=40.5 kV)—Part 1: Cables for rate voltages of 1kV(Um=1.2kV) and 3kV(Um=3.6kV)

Norma vydaná dňa 5.10.2025

Aluminum alloys power cables with extruded insulation for rated voltages from 1kV(Um=1.2kV)up to 35kV(Um=40.5 kV)—Part 2: Cables for rated voltages from 6kV(Um=7.2kV) up to 30kV(Um=36kV)

Norma vydaná dňa 5.10.2025