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GB/T 41629.2-2022 English PDF

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GB/T 41629.2-2022: Long AC submarine cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV) - Part 2: Long AC submarine cables
Status: Valid
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GB/T 41629.2-2022English419 Add to Cart 4 days [Need to translate] Long AC submarine cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV) - Part 2: Long AC submarine cables Valid GB/T 41629.2-2022

PDF similar to GB/T 41629.2-2022


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Basic data

Standard ID GB/T 41629.2-2022 (GB/T41629.2-2022)
Description (Translated English) Long AC submarine cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV) - Part 2: Long AC submarine cables
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K13
Word Count Estimation 22,213
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 41629.2-2022: Long AC submarine cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV) - Part 2: Long AC submarine 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.
Long AC submarine cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV) - Part 2.Long AC submarine cables ICS 29.060.20 CCSK13 National Standards of People's Republic of China Rated voltage 500kV (Um=550kV) cross-linking Polyethylene insulated long-length AC submarine cables and accessories Part 2.Large length AC submarine cables Published on 2022-07-11 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Use feature 2 5 Product code, model, specification and product representation 2 6 Cable material and construction 4 7 Finished cable marking 9 8 Finished cable requirements9 9 Acceptance Rules 11 10 Shipping and Storage 12 11 Test after laying 12 Appendix A (Informative) Properties of Cross-Linked Polyethylene Insulating Materials 13 Appendix B (Informative) Properties of Semiconductive Shielding Materials 14 Appendix C (Informative) Properties of Semiconductive Sheathing Compounds and Wrapping Tapes 15 Reference 16 Table 1 Types and names of submarine cables3 Table 2 Specifications of submarine cables3 Table 3 Nominal thickness of insulating layer4 Table 4 Nominal thickness of lead sleeve6 Table 5 Nominal thickness of inner sheath6 Table 6 Identification color code8 Table 7 Test Category and Code 9 Table 8 Routine test and sampling test items and requirements for finished cables9 Table 9 Type test items and requirements for finished cables 10 Table 10 Optical fiber unit test items and requirements 11 Table A.1 Properties of XLPE insulating material 13 Table B.1 Properties of semiconductive shielding materials 14 Table C.1 Properties of Semiconductive Sheath Materials and Tape 15

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" drafted. This document is GB/T 41629 "rated voltage 500kV (Um=550kV) XLPE insulated long-length AC submarine cables and accessories Part 2.GB/T 41629 has released the following parts. --- Part 1.Test methods and requirements; --- Part 2.Large-length AC submarine cables; --- Part 3.Submarine cable accessories. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Standardization Technical Committee of Wires and Cables (SAC/TC213). This document is drafted by. China Electric Power Research Institute Co., Ltd., Shanghai Electric Cable Research Institute Co., Ltd., Shanghai State Cable Testing Co., Ltd. Co., Ltd., Zhongtian Technology Submarine Cable Co., Ltd., State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research Institute, Ningbo Dongfang Cable Co., Ltd. Co., Ltd., Jiangsu Hengtong High Voltage Submarine Cable Co., Ltd., Qingdao Han Cable Co., Ltd., AVIC Baosheng Offshore Engineering Cable Co., Ltd., Futong Living Electric Submarine Cable Co., Ltd. The main drafters of this document. Zhao Jiankang, Xu Xiaofeng, Li Chuang, Hu Ming, Wang Shaohua, Zheng Lin, Pan Wenlin, Duan Weixi, Zhang Huiluo, Zhou Houqiang, Zhang Zhenpeng, Xu Mingzhong, Shi Nannan, Sun Jiansheng, Fan Yujun, Gu Xiao, Hu Liexiang, Li Te.

Introduction

Submarine cables are widely used in offshore wind power transmission, island power supply, and offshore platform power supply and distribution. Compared with onshore cables, submarine power The cable has the characteristics of complex product structure, high protection requirements, and special grounding methods. GB/T 41629 is rated voltage 500kV submarine cable Product standards for submarine cables and accessory systems, including the naming rules, test methods, technical requirements, etc. of submarine cables and accessory systems, consisting of the following 3 composed of parts. --- Part 1.Test methods and requirements. The purpose is to unify the test and technology of the rated voltage 500kV submarine cable and accessory system. technical requirements. --- Part 2.Large-length AC submarine cables. The purpose is to unify the structural parameters and basic parameters of the rated voltage 500kV submarine cable. performance requirements. --- Part 3.Submarine cable accessories. The purpose is to unify the structural parameters and basics of the rated voltage 500kV submarine cable accessories can request. Rated voltage 500kV (Um=550kV) cross-linking Polyethylene insulated long-length AC submarine cables and accessories Part 2.Large length AC submarine cables

1 Scope

This document specifies the rated voltage 500kV (Um=550kV) XLPE insulated long-length AC submarine cable (the following submarine electricity Cable refers to the type, material, technical requirements, test, acceptance rules, shipment, storage and transportation of AC submarine cables). This document is applicable to the XLPE insulation with rated voltage of 500kV (Um=550kV) used under subsea laying and operating conditions. Length AC submarine cable (including fiber optic composite).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 2951.11-2008 General test methods for insulating and sheathing materials of electrical and optical cables - Part 11.General test methods Thickness and Outline Dimensions Measurement Mechanical Properties Test GB/T 3956-2008 Conductor of cables GB/T 6995.1 Wire and Cable Identification Marking Method Part 1.General Provisions GB/T 6995.2 Wire and Cable Identification Marking Method Part 2.Standard Colors GB/T 9771 (all parts) single-mode optical fiber for communication GB/T 12357 (all parts) Multimode optical fibers for communication GB/T 15972.40-2008 Specification for test methods for optical fibers - Part 40.Measurement methods and tests for transmission and optical properties Program decay GB/T 15972.42-2021 Specification for test methods for optical fibers - Part 42.Measurement methods and test procedures for transmission characteristics Wavelength Dispersion GB/T 41629.1-2022 Rated voltage 500kV (Um=550kV) XLPE insulated long-length AC submarine cables and Annex Part 1.Test Methods and Requirements JB/T 8996 Guidelines for selection of high voltage cables

3 Terms and Definitions

The terms and definitions defined in GB/T 41629.1-2022 and the following apply to this document. 3.1 approximatevalue A value that is neither guaranteed nor checked. Note. Approximate values are usually used in the calculation of other dimension values.

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