GB/T 41629.2-2022Long 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 (English PDF)

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 Part 2 of GB/T 41629 "rated voltage 500kV (Um=550kV) XLPE insulated long-length AC submarine cables and accessories".

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.

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).

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.

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.