GB/T 31838.7-2021 Active National standards

GB/T 31838.7-2021 Solid insulating materials—Dielecteric and resistive properties—Part 7:Resistive properties(DC method)—Measurement of volume resistance and volume resistivity at elevated temperatures

Publish Date: 2021-05-21 Implement Date: 2021-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31838.7-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrician's insulating materials and their products

ICS Name: Comprehensive Insulation Materials

Publish Date: 2021-05-21

Implement Date: 2021-12-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国电气绝缘材料与绝缘系统评定标准化技术委员会(SAC/TC 301)

Pages: 14 pages

Scope

本文件规定了直流电压下和温度不高于800 ℃时，绝缘材料的体积电阻和体积电阻率的测试方法。本文件适用于耐高温云母板、氧化铝陶瓷等材料。

Development Information

Drafting Units:

苏州太湖电工新材料股份有限公司、机械工业北京电工技术经济研究所、桂林赛盟检测技术有限公司、苏州巨峰电气绝缘系统股份有限公司、中车永济电机有限公司、无锡江南电缆有限公司、泰州钰明新材料有限公司、浙江博菲电气股份有限公司、东方电气集团东方电机有限公司、广东明阳电气股份有限公司、西安交通大学、铜陵精达特种电磁线股份有限公司、江苏中车电机有限公司、中国长江三峡集团有限公司、浙江荣泰科技企业有限公司

Drafting Persons:

吴斌、刘亚丽、陈昊、郭振岩、夏宇、郭献清、朱永明、高红阳、邹祖冰、崔鹤松、刘冠芳、狄宁宇、张跃、彭春斌、张振国、李华、王文龙、杨李懿

Word Count: 27 Thousand words Pages: 14 pages

Same series standard

GB/T 31838.5-2021 Solid insulating materials—Dielectric and resistive properties—Part 5:Resistive properties(DC method)—Volume resistance and volume resistivity of impregnation and coating materials 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)

Replace the following standards

GB/T 10581-2006 Method of test for electrical resistance and resistivity of insulating materials at elevated temperatures

Referenced Standards

GB/T 10580-2015 Standard conditions for use prior to and during the testing of solid electrical insulating materials IEC 62631-3-1

Adopt standards

IEC 62631-3-4:2019

Related Standards

GB/T 17648-1998 Active

GB/T 17648-1998 Insulating liquids—Determination of the partial discharge Inception voltage (PDIV)—Test procedure

Publish Date: 1998-12-21

GB/T 11027-1999 Replaced

GB/T 11027-1999 Specification for insulating varnishes containing solvent-Specifications for individual materials-Requirements for hot curing impregnating varnishes

Publish Date: 1999-03-23

GB/T 11026.4-1999 Replaced

GB/T 11026.4-1999 Guide for the determination of thermal endurance properties of electrical insulating materials—Part 4:Ageing ovens—Single-chamber ovens

Publish Date: 1999-09-13

GB/T 11028-1999 Active

GB/T 11028-1999 Test methods for the determination of bond strength of impregnating agents to an enamelled wire substrate

Publish Date: 1999-09-13

GB/T 1408.1-1999 Replaced

GB/T 1408.1-1999 Methods of test for electric strength of solid insulating materials-Tests at power frequencies

Publish Date: 1999-09-13

GB/T 11026.2-2000 Replaced

GB/T 11026.2-2000 Guide for the determination of thermal endurance properties of electrical insulating materials Part 2:Choice of test criteria

Publish Date: 2000-10-17