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GB/T 40819-2021 English PDF

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GB/T 40819-2021: Aeolian vibration fatigue test method for overhead conductors and cables
Status: Valid
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GB/T 40819-2021English249 Add to Cart 3 days [Need to translate] Aeolian vibration fatigue test method for overhead conductors and cables Valid GB/T 40819-2021

PDF similar to GB/T 40819-2021


Standard similar to GB/T 40819-2021

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Basic data

Standard ID GB/T 40819-2021 (GB/T40819-2021)
Description (Translated English) Aeolian vibration fatigue test method for overhead conductors and cables
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K11
Word Count Estimation 13,194
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 40819-2021: Aeolian vibration fatigue test method for overhead conductors and cables

---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.
Aeolian vibration fatigue test method for overhead conductors and cables ICS 29.060.10 CCSK11 National Standards of People's Republic of China Breeze vibration fatigue test method for overhead cables (IEC 62568.2015, Overheadlines- Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Abbreviations 2 5 General 2 6 Test equipment 2 6.1 Vibrator 2 6.2 Tension loading system 3 6.3 Data Acquisition System 3 7 Sample preparation and pretreatment 3 7.1 Sample preparation 3 7.2 Pretreatment 3 8 Method A 3 8.1 Sample requirements 3 8.2 Test arrangement 3 8.3 Test condition 4 8.4 Test Step 4 9 Method B 5 9.1 Sample requirements 5 9.2 Test arrangement 5 9.3 Test conditions 5 9.4 Test Step 6 10 Method C 6 10.1 Sample requirements 6 10.2 Test arrangement 6 10.3 Test conditions 7 10.4 Test procedure 7 11 Test records and data processing 8 11.1 Test record 8 11.2 Data Processing 8 12 Test report 9 Reference 10

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 of Standardization Documents" Drafting. This document is drafted with reference to IEC 62568.2015 "Overhead Line Conductor Fatigue Test Method", and the degree of consistency is non-equivalent. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Bare Wire Standardization Technical Committee (SAC/TC422). This document was drafted by. Shanghai National Cable Testing Center Co., Ltd., Shanghai Cable Research Institute Co., Ltd., China Electric Power Research Institute Co., Ltd., North China Electric Power Research Institute Co., Ltd., State Grid Henan Electric Power Company Electric Power Research Institute, Jiangsu Zhongtian Technology Co., Ltd. Co., Ltd., Far East Cable Co., Ltd., State Grid Liaoning Electric Power Co., Ltd., Aerospace Electrical Group Co., Ltd., Qingdao Hanlan Co., Ltd. Company, Jiangsu Hengtong Electric Power Special Wire Co., Ltd., Hangzhou Cable Co., Ltd., TBEA Shandong Luneng Taishan Cable Co., Ltd. The main drafters of this document. Wang Xu, Huang Guofei, Zheng Qiu, Qi Yi, Lu Yi, Lu Ming, Xie Shuhong, Xu Jing, Hu Bo, Yang Changlong, Liang Hongping, Zhao Xinyuan, Yang Lijun, Hu Jianming, Zang Defeng. Breeze vibration fatigue test method for overhead cables

1 Scope

This document describes the test methods, test records and test reports of the breeze vibration fatigue characteristics of overhead cables. This document is applicable to the fatigue characteristics test of overhead wires, ground wires, optical cables and their clamp systems (only metal suspension clamps).

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 2900.51-1998 Electrical terminology overhead line DL/T 788 All dielectric self-supporting optical cable DL/T 832 Optical fiber composite overhead ground wire DL/T 1613 Optical fiber composite overhead phase line and related accessories

3 Terms and definitions

The following terms and definitions defined in GB/T 2900.51-1998 apply to this document. 3.1 Antinodeamplitude Half-wave single-peak amplitude. 3.2 Bending amplitude Yb The peak-to-peak value (pp value) of the amplitude of the cable relative to the clamp measured at a distance of 89mm from the last contact point (LPC) of the cable and the clamp. Note. The schematic diagram of the bending amplitude measurement position is shown in Figure 1. a) LPC b) Measuring position Figure 1 Schematic diagram of bending amplitude measurement position

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