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GB/T 31239-2023: Technical specification for fittings of 1 000 kV substation
Status: Valid GB/T 31239: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 31239-2023 | English | 209 |
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Technical specification for fittings of 1 000 kV substation
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GB/T 31239-2023
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| GB/T 31239-2014 | English | 479 |
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Technical specification for fittings of 1 000 kV substation
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GB/T 31239-2014
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PDF similar to GB/T 31239-2023
Basic data | Standard ID | GB/T 31239-2023 (GB/T31239-2023) | | Description (Translated English) | Technical specification for fittings of 1 000 kV substation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K47 | | Classification of International Standard | 29.240.20 | | Word Count Estimation | 10,196 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-07-01 | | Older Standard (superseded by this standard) | GB/T 31239-2014 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 31239-2023: Technical specification for fittings of 1 000 kV substation---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 29:240:20
CCSK47
National Standards of People's Republic of China
Replace GB/T 31239-2014
Technical Specifications for 1000kV Substation Fittings
Published on 2023-12-28
2024-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 General requirements 2
5 Technical requirements 3
6 Test methods and judgment criteria 4
7 Logo, packaging and accompanying documents 6
Foreword
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document replaces GB/T 31239-2014 "Technical Specifications for 1000kV Substation Fittings": Compared with GB/T 31239-2014, except
In addition to structural adjustments and editorial changes, the main technical changes are as follows:
a) Added "Terms and Definitions" (see Chapter 3);
b) Added requirements for spacer material (see 5:3);
c) The yield strength ratio of steel parts with a nominal failure load of 160kN and above has been changed (see 4:2, 3:9 in the:2014 edition);
d) Changed the requirements for materials of tension clamps, connecting pipes and drainage plates (see 5:2, 4:3 of the:2014 edition);
e) The requirements for the diameter, thickness and bend deformation of the pressure equalizing ring and shielding ring have been changed (see 5:4, 4:4 of the:2014 edition);
f) The test methods and judgment criteria for substation hardware have been changed (see Chapter 6, Chapter 7 of the:2014 edition);
g) Delete the requirements for the construction of tension clamps (see 4:3 of the:2014 edition);
h) The chapter on eight changes and four golden tools has been deleted (see 4:7 in the:2014 version);
i) The requirements for the mechanical properties of spacer rod clamps are deleted (see Table 1 of the:2014 edition):
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by the China Electricity Council:
This document is under the jurisdiction of the National UHV AC Transmission Standardization Technical Committee (SAC/TC569):
This document was drafted by: China Electric Power Research Institute Co:, Ltd:, State Grid Jiangsu Electric Power Co:, Ltd:, State Grid Co:, Ltd:, Hu
Bei Province Electric Power Survey and Design Institute Co:, Ltd:, Liaoning Jinxing Electric Power Fitting Technology Co:, Ltd:, China Energy Construction Group Nanjing Line Equipment
Co:, Ltd:, China Southern Power Grid Digital Grid Group Co:, Ltd:, China Power Construction Group Chengdu Electric Power Fittings Co:, Ltd:, China Power Construction Group Siping
Line Equipment Co:, Ltd:, Jiangsu Shuanghui Electric Power Development Co:, Ltd:, Pinggao Group Co:, Ltd:, and Jiangdong Fitting Equipment Co:, Ltd:
The main drafters of this document: Zhou Lixian, Qiu Ning, Si Jiajun, Liu Shengchun, Wang Shugang, Liu Peng, Fan Baozhen, Yu Haipeng, Luo Xianguo, Du Zhuo,
Li Xinchun, Jiang Guangdong, Li Jinwei, Liu Zhiyi, Yu Dong, Wang Yinchun, Yang Guohua, Lu Wei, Sun Yuntao, Zhu Yupeng:
The previous versions of this document and the documents it replaces are as follows:
---First published as GB/T 31239-2014 in:2014;
---This is the first revision:
Technical Specifications for 1000kV Substation Fittings
1 Scope
This document stipulates the general requirements, technical requirements, markings, packaging and accompanying documents for 1000kV substation fittings, and describes the test
Methods and Judgment Criteria:
This document is applicable to the frame crossovers and equipment rooms in all circuits with a system nominal voltage of 1000kV in a 1000kV substation:
Design, manufacturing, testing and acceptance of supporting fittings for connecting conductors and insulator strings:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 93 standard spring washer
GB/T 95 Flat Washer Grade C
GB/T 2314 General technical conditions for power fittings
GB/T 2315 Nominal failure load series and connection type dimensions of power fittings
GB/T 2317:2 Test methods for power fittings Part 2: Corona and radio interference tests
GB/T 3190 Chemical composition of deformed aluminum and aluminum alloys
GB/T 3880 (all parts) Aluminum and aluminum alloy plates and strips for general industrial use
GB/T 5075 Terminology for power fittings
DL/T 284 Hot-dip galvanized bolts and nuts for transmission line towers and power fittings
DL/T 346 equipment cable clamp
DL/T 347 T-type cable clamp
DL/T 683 Model naming method for power fittings products
DL/T 696 Soft busbar fittings
DL/T 697 Hard busbar fittings
DL/T 756 Suspension Clamp
DL/T 757 Tension Clamp
DL/T 759 Connecting hardware
DL/T 760:3 Voltage equalizing ring, shielding ring and voltage equalizing shielding ring
DL/T 764 Hexagonal head bolts with pin holes in the stem for power fittings
DL/T 768:2 Manufacturing quality of power fittings Part 2: Ferrous metal forgings
DL/T 768:3 Manufacturing quality of power fittings Part 3: Stamping parts
DL/T 768:5 Manufacturing quality of electric power fittings Part 5: Aluminum parts
DL/T 768:6 Manufacturing quality of power fittings Part 6: Welded parts and thermal cutting parts
DL/T 768:7 Hot-dip galvanizing layer of steel parts for manufacturing quality of power fittings
DL/T 1098 Spacer rod technical conditions and test methods
DL/T 1343 Closed pins for power fittings
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