GB/T 31489.4-2020 English PDF (GBT31489.4-2020)

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GB/T 31489.4-2020: D. C. extruded cables systems for power transmission at a rated voltage up to and including 500 kV - Part 4: Accessories for D. C. cables
GB/T 31489:4-2020
(Extruded insulated power cable systems for DC transmission with rated voltages of 500kV and below Part 4: DC cable accessories)
ICS 29:060:20
K13
National Standards of People's Republic of China
For DC transmission with rated voltage 500kV and below
Extruded insulated power cable system
Part 4: DC cable accessories
2020-12-14 release
2021-07-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions, symbols 2
4 Use characteristics 3
5 Product naming 4
6 Technical requirements 6
7 Accessories mark 8
8 Accessories test 8
9 Acceptance rules 11
10 Packaging, transportation and storage 11
Appendix A (informative appendix) Performance of silicone oil 13
Appendix B (Normative Appendix) Test Requirements and Methods 14
Reference 16
Preface
GB/T 31489 "Extruded insulated power cable system for DC transmission with rated voltage 500kV and below" is divided into the following four parts:
---Part 1: Test methods and requirements;
---Part 2: DC land cable;
---Part 3: DC submarine cable;
---Part 4: DC cable accessories:
This part is Part 4 of GB/T 31489:
This section was drafted in accordance with the rules given in GB/T 1:1-2009:
This part was proposed by China Electrical Equipment Industry Association:
This part is under the jurisdiction of the National Wire and Cable Standardization Technical Committee (SAC/TC213):
Drafting organizations of this section: Shanghai National Cable Testing Center Co:, Ltd:, Shanghai Cable Research Institute Co:, Ltd:, Changlan Electrical Technology Co:, Ltd:
Company, Shanghai Sanyuan Cable Accessories Co:, Ltd:, Zhongtian Technology Submarine Cable Co:, Ltd:, TBEA Showa (Shandong) Cable Accessories Co:, Ltd:, Nanjing
Bo Dongfang Cable Co:, Ltd:, Jiangsu Hengtong High Voltage Submarine Cable Co:, Ltd:, Qingdao Han Cable Co:, Ltd:, China Three Gorges New Energy (set
Group) Co:, Ltd:, China Energy Construction Group Guangdong Electric Power Design and Research Institute Co:, Ltd:
The main drafters of this section: Zhang Rong, Li Chuang, Xu Xiaofeng, Guo Changchun, Xu Cao, Ma Zhijin, Chen Mengmeng, Feng Runan, Pan Wenlin, Zhang Jie,
Liu Jianping, Xu Wei, Yan Xiaohan, Gu Xiao, Li Xingchen, Xiao Jingcheng, Shi Nannan, Sun Jiansheng, Fan Yujun:
For DC transmission with rated voltage 500kV and below
Extruded insulated power cable system
Part 4: DC cable accessories
1 Scope
This part of GB/T 31489 specifies XLPE insulated power cable accessories for DC transmission with a rated voltage of 500kV and below
Use characteristics, product naming, technical requirements, accessory marks, accessory tests, acceptance rules, packaging, transportation and storage:
This section applies to XLPE insulated DC land cables and DC submarine cables for DC transmission with a rated voltage of 500kV and below
Terminals and connectors:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 311:1-2012 Insulation coordination Part 1: Definitions, principles and rules
GB/T 1527 Copper and copper alloy drawn tubes
GB/T 2900:10-2013 Electrical terminology cable
GB/T 2951:21-2008 General test methods for insulating and sheathing materials of electric and optical cables-Part 21: Specialized for elastomer mixtures
Test method used---ozone resistance test---heat extension test---mineral oil immersion test
GB/T 3048:8 Test methods for electrical properties of wires and cables Part 8: AC voltage test
GB/T 3048:12 Test methods for electrical properties of wires and cables Part 12: Partial discharge test
GB/T 3048:13 Test methods for electrical properties of wires and cables Part 13: Impulse voltage test
GB/T 3048:14 Test methods for electrical properties of wires and cables Part 14: DC voltage test
GB/T 4423 Copper and copper alloy drawn rods
GB/T 4909:3 Test Method for Bare Wire Part 3: Tensile Test
GB/T 8287:1 Internal and outdoor post insulators for systems with a nominal voltage higher than 1000V: Part 1: Porcelain or glass insulators
Test
GB/T 11017:1-2014 rated voltage 110kV (Um=126kV) cross-linked polyethylene insulated power cable and its accessories No: 1
Part: Test methods and requirements
GB/T 12464 ordinary wooden box
GB/T 16927:1 High Voltage Test Technology Part 1: General Definition and Test Requirements
GB/T 20878 Stainless steel and heat-resistant steel grades and chemical composition
GB/T 21429 Definition, test methods, acceptance criteria and design recommendations of hollow composite insulators for outdoor and indoor electrical equipment
GB/T 23752 Pressure-bearing and non-pressure-bearing hollow porcelain and glass insulators for electrical equipment with a rated voltage higher than 1000V
GB/T 26218:1 Selection and size determination of high-voltage insulators used under polluted conditions Part 1: Definitions, information and general
in principle
GB/T 31489:1-2015 Extruded insulated power cable system for DC transmission with rated voltage 500kV and below Part 1:
Test methods and requirements