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GB/T 29324-2024: Carbon fiber reinforced composite core for overhead electrical conductors
Status: Valid GB/T 29324: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29324-2024 | English | 439 |
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Carbon fiber reinforced composite core for overhead electrical conductors
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GB/T 29324-2024
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| GB/T 29324-2012 | English | 599 |
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Fiber reinforced polymer matrix composite core for overhead electrical conductors
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GB/T 29324-2012
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PDF similar to GB/T 29324-2024
Basic data | Standard ID | GB/T 29324-2024 (GB/T29324-2024) | | Description (Translated English) | Carbon fiber reinforced composite core for overhead electrical conductors | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K11 | | Classification of International Standard | 29.060.10 | | Word Count Estimation | 22,247 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Older Standard (superseded by this standard) | GB/T 29324-2012 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 29324-2024: Carbon fiber reinforced composite core for overhead electrical conductors---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 29:060:10
CCSK11
National Standards of People's Republic of China
Replaces GB/T 29324-2012
Carbon fiber reinforced composite core for overhead conductors
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Product model and indication method 2
4:1 Model 2
4:2 Representation method 2
5 Structure 3
6 Technical Requirements 4
6:1 Appearance 4
6:2 Diameter deviation and f-value 4
6:3 Composite core stranding 5
6:4 Mass per unit length 5
6:5 Tensile strength 6
6:6 Long-term allowable operating temperature
6:7 Linear expansion coefficient 6
6:8 Density 6
6:9 Winding 6
6:10 Radial pressure resistance 7
6:11 Glass transition temperature (DMA) Tg 7
6:12 Long-term heat resistance 7
6:13 Thermal aging 7
6:14 Modulus of elasticity 7
6:15 Length and length deviation 7
6:16 Connectors 7
7 Test methods 8
7:1 Appearance 8
7:2 Diameter 8
7:3 Mass per unit length 8
7:4 Tensile strength 8
7:5 Linear expansion coefficient 8
7:6 Density 8
7:7 Winding 8
7:8 Radial pressure resistance 8
7:9 Glass transition temperature (DMA) Tg 9
7:10 Long-term heat resistance 9
7:11 Thermal aging 9
7:12 Modulus of elasticity 9
8 Inspection Rules 9
9 Packaging, marking, transportation and storage 10
9:1 Packaging 10
9:2 Sign 10
9:3 Transportation and storage 11
10 Acceptance and Rejection 11
Appendix A (Informative) Recommended composite core structural parameters 12
Appendix B (Normative) Winding test 15
Figure 1 Schematic diagram of TF type composite core structure
Figure 2 Schematic diagram of JTF composite core structure
Figure 3 Schematic diagram of JBTF composite core structure 4
Figure B:1 Schematic diagram of winding test machine 15
Table 1 Code and Name 2
Table 2 Composite core diameter deviation and f value 5
Table 3 Twisting increment of JTF composite core 5
Table 4 Twisting increment of JBTF composite core 5
Table 5 Tensile strength of composite core 6
Table 6 Long-term allowable operating temperature of composite core
Table 7 Glass transition temperature (DMA) Tg of composite core
Table 8 Elastic modulus of composite core 7
Table 9 Radial pressure test parameters of composite core 8
Table 10 Long-term heat resistance test temperature of composite core
Table 11 Thermal aging test temperature of composite core 9
Table 12 Inspection rules 10
Table A:1 Recommended TF type composite core structural parameters 12
Table A:2 Recommended JTF composite core structural parameters12
Table A:3 Recommended JBTF composite core structural parameters 13
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
This document replaces GB/T 29324-2012 "Fiber reinforced resin matrix composite core rods for overhead conductors" and GB/T 29324-
Compared with:2012, in addition to structural adjustments and editorial changes, the main technical changes are as follows:
--- Added model and its component codes (see 4:1);
--- Changed the representation method of rod-type composite core products (see 4:2:2, Chapter 4 of the:2012 edition);
--- Added the representation method of JTF and JBTF composite core products (see 4:2:3 and 4:2:4);
--- Changed the chapter name, added the recommended structure of the composite core, and gave the structural diagrams (see Chapter 5,:2012 Edition
Chapter 5);
--- Added appearance requirements for JTF and JBTF composite cores (see 6:1);
--- Added the diameter deviation requirements for JTF and JBTF composite cores (see 6:2);
--- Added composite core twisting requirements (see 6:3);
--- Added unit length mass requirements and test methods (see 6:4 and 7:3);
--- Added the minimum tensile strength requirements for grade 3 tensile strength composite cores (see 6:5);
--- Added the long-term allowable operating temperature requirements for C-grade temperature grade composite cores (see 6:6);
--- Added the linear expansion coefficient requirements and theoretical calculation values of JTF and JBTF composite cores (see 6:7);
--- Added density requirements and theoretical calculation values for JTF and JBTF composite cores (see 6:8);
--- Added JTF and JBTF composite core winding performance requirements and test methods (see 6:9 and 7:7);
--- Deleted the torsion performance requirements (see 6:8 of the:2012 edition);
--- Changed the radial pressure resistance performance requirements and test methods (see 6:10 and 7:8, 6:9 and 7:2:5 of the:2012 edition);
--- Added the glass transition temperature (DMA) Tg requirements for the C-grade temperature grade composite core (see 6:11);
--- Deleted the high temperature tensile strength requirements and test methods (see 6:11 and 7:2:7 of the:2012 edition);
--- Added long-term heat resistance requirements and test methods for composite cores (see 6:12 and 7:10);
--- Added thermal aging test requirements and test methods (see 6:13 and 7:11);
--- Added the elastic modulus requirements for JTF and JBTF composite cores (see 6:14);
--- Deleted the requirements for fluorescent UV aging resistance (see 6:13 of the:2012 edition);
--- Deleted the salt spray test (see 6:14 of the:2012 edition);
--- Changed the inspection rules (see Chapter 8, Chapter 8 of the:2012 edition);
--- Changed the winding test (see Appendix B, Appendix A of the:2012 edition);
--- Deleted Appendix B torsion test (see Appendix B of the:2012 edition):
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by the China Electrical Equipment Industry Association:
This document is under the jurisdiction of the National Technical Committee for Standardization of Bare Wires (SAC/TC422):
This document was drafted by: Shanghai Cable Research Institute Co:, Ltd:, Anhui Yuce Cable Quality Inspection Technology Co:, Ltd:, Far East Composite Technology Co:, Ltd:
Company, Guangdong Xinyuan Hengye Power Line Equipment Co:, Ltd:, Jiangsu Yiding Composite Technology Co:, Ltd:, Handan Silicon Valley New Materials Co:, Ltd:,
Zhongfu Carbon Core Cable Technology Co:, Ltd:, Shanghai Guolan Testing Co:, Ltd:, China Southern Power Grid Research Institute Co:, Ltd:, State Grid He
Electric Power Research Institute of Liaoning Electric Power Company, State Grid Liaoning Electric Power Company, Jiangsu Nanrui Yinlong Cable Company, PowerChina Group
Guizhou Electric Power Design and Research Institute Co:, Ltd:
The main drafters of this document are: Zeng Wei, Wang Xu, Ling Zongyong, Xu Rui, Xu Jing, Wang Qingming, Tong Wei, Qi Baojun, Wang Zhiwei, Liao Yongli, Zhang Bo,
Xie Hui, Peng Shuli, Yang Changlong, Peng Tao, Dang Peng, and Li Caiyou:
The previous versions of this document and the documents it replaces are as follows:
---First published in:2012 as GB/T 29324-2012;
---This is the first revision:
Carbon fiber reinforced composite core for overhead conductors
1 Scope
This document specifies the product model and representation method, structure, technology and application of carbon fiber reinforced composite core (referred to as "composite core") for overhead conductors:
Technical requirements, inspection rules, packaging, marking, transportation and storage, acceptance and rejection, and describes the corresponding test methods:
This document applies to the manufacture, testing and application of carbon fiber reinforced composite reinforcement cores for overhead conductors:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
GB/T 1463 Test method for density and relative density of fiber reinforced plastics
GB/T 2572 Test method for average linear expansion coefficient of fiber reinforced plastics
GB/T 6995:1 Identification and marking methods for wires and cables Part 1: General provisions
GB/T 22315-2008 Test method for elastic modulus and Poisson's ratio of metallic materials
GB/T 22567-2008 Test method for determining glass transition temperature of electrical insulating materials
JB/T 8137:2-2013 Wire and cable delivery trays Part 2: Full wood structure delivery trays
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
Composite material composite material
A new material composed of two or more component materials compounded through a special preparation process:
Note: Composite materials retain the basic properties of the original component materials and have more excellent properties that cannot be obtained by the original single component materials:
3:2
A wire core composed of one or more continuous fibers:
3:3
diameter
The average value of two measurements on the same circular cross section and in perpendicular directions:
3:4
f value valuef
The difference between the maximum and minimum diameters measured on the same circular section perpendicular to the axis:
3:5
Strength gradestrengthgrade
Graded according to the tensile strength of the composite core:
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