標(biāo)準(zhǔn)編號(hào):	GB/T 29631-2025
中文名稱:	額定電壓1.8/3kV及以下風(fēng)力發(fā)電用耐扭曲軟電纜
英文名稱:	Flexible and torsion resistant cables of rated voltages up to and including 1.8/3 kV for wind turbine
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
發(fā)布機(jī)構(gòu):	國(guó)家市場(chǎng)監(jiān)督管理總局 國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2025-02-28
實(shí)施日期:	2025-9-1
標(biāo)準(zhǔn)狀態(tài):	to be valid
替代舊標(biāo)準(zhǔn):	GB/T 29631-2013 額定電壓1.8/3 kV及以下風(fēng)力發(fā)電用耐扭曲軟電纜
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	43000 字
翻譯價(jià)格(元):	3010.0
交付時(shí)間:	付款后 1~5 個(gè)工作日

GB/T 29631-2025 Flexible and torsion resistant cables of rated voltages up to and including 1.8/3kV for wind turbine 1 Scope This document specifies the product code, marking, technical requirements, inspection rules, test methods and packaging, etc. of flexible and torsion resistant cables of rated voltages up to and including 1.8/3kV for wind turbine used at the connection between turbine and tower in wind power generation equipment or similar occasions. This document is applicable to flexible and torsion resistant cables for wind power generation systems or similar systems with rated voltage U0/U of 1.8/3kV and below. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test method - Test Ka: Salt mist GB/T 2423.18 Environmental testing - Part 2: Test methods - Test Kb: Salt mist, cyclic (sodium chloride solution) GB/T 2900.10 Electrotechnical vocabulary - Electric cables GB/T 3048.4 Test methods for electrical properties of electric cables and wires - Part 4: Test of DC resistance of conductors GB/T 3048.5 Test methods for electrical properties of electric cables and wires - Part 5: Test of insulation resistance GB/T 3048.8 Test methods for electrical properties of electric cables and wires - Part 8: AC voltage test GB/T 3048.9 Test methods for electrical properties of electric cables and wires - Part 9: Spark test of insulated cores GB/T 3048.13 Test methods for electrical properties of electric cables and wires - Part 13: Impulse voltage test GB/T 3956 Conductors of insulated cables GB/T 4909.2 Test methods for bare wires - Part 2: Measurement of dimensions GB/T 6995.1 Markings for electric wires and cables - Part 1: General requirements GB/T 16927.1 High-voltage test techniques - Part 1: General definitions and test requirements GB/T 18380.12 Tests on electric and optical fibre cables under fire conditions - Part 12: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1kW pre-mixed flame GB/T 18380.35 Tests on electric and optical fibre cables under fire conditions - Part 35: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C JB/T 8137 (all parts) Delivery drums for wires and cables JB/T 10696.7 Test methods for determining mechanical, physical and chemical properties of electric cables and wires - Part 7: Tear test IEC 60,719 Calculation of the lower and upper limits for the average outer dimensions of cables with circular copper conductors and of rated voltages up to and including 450/750V IEC 60811-201 Electric and optical fibre cables – Test methods for non-metallic materials - Part 201: General tests - Measurement of insulation thickness 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 2900.10 and the following apply. 3.1 rated voltage reference voltage for cable design, service and electrical performance test 3.2 batch products of the same model and specification ordered at one time Note: If there are products of different models and specifications in one order, different models and specifications will be regarded as different batches. 3.3 routine test R tests made by the manufacturer on each manufactured length of cable to check that each length meets the specified requirements 3.4 sample tests S tests made by the manufacturer on samples of completed cable or components taken from a completed cable, at a specified frequency, so as to verify that the finished product meets the specified requirements 3.5 type tests T tests made before supplying, on a general commercial basis, a type of cable covered by this document, in order to demonstrate satisfactory performance characteristics to meet the intended application Note: These tests are of such a nature that, after they have been made, they need not be repeated, unless changes are made in the cable materials, design or manufacturing process which might change the cable characteristics. 4 Service characteristics 4.1 Rated voltage The rated voltages U0/U of the cables in this document are marked as: 450/750 V, 0.6/1kV, 1.8/3kV. U0 represents the voltage r.m.s. between any main insulated conductor and the "ground" (metallic shield, metallic sheath or surrounding medium); U represents the voltage r.m.s. between any two-phase conductors of multicore cable or single-core cable.

Contents Foreword iii 1 Scope 2 Normative references 3 Terms and definitions 4 Service characteristics 5 Codes, models, specifications and product representation methods 6 Technical requirements 7 Finished cable test 8 Inspection rules 9 Delivery length 10 Packaging, transportation and storage of cables Annex A (Normative) Performance requirements for cable insulation and sheathing materials Annex B (Normative) Fictitious calculation method for determination of dimensions of protective coverings Annex C (Normative) Torsion test Annex D (Normative) Load-bearing test Annex E (Normative) Low temperature bending test Annex F (Normative) Artificial climate aging test Annex G (Normative) Salt spray test

額定電壓1.8 / 3 kV及以下風(fēng)力發(fā)電用耐扭曲軟電纜 1 范圍 本文件規(guī)定了風(fēng)力發(fā)電設(shè)備中渦輪機(jī)和塔筒連接處或其類似場(chǎng)合用1.8/3kV及以下風(fēng)力發(fā)電用耐扭曲軟電纜的產(chǎn)品代號(hào)、標(biāo)志、技術(shù)要求、檢驗(yàn)規(guī)則、試驗(yàn)方法和包裝等。 本文件適用于額定電壓U0/U為1.8/3kV及以下風(fēng)力發(fā)電系統(tǒng)或類似系統(tǒng)用耐扭曲軟電纜。 2 規(guī)范性引用文件 下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文件,僅該日期對(duì)應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于本文件。 GB/T 2423.17 電工電子產(chǎn)品環(huán)境試驗(yàn)第2部分:試驗(yàn)方法試驗(yàn)Ka:鹽霧 GB/T 2423.18 環(huán)境試驗(yàn) 第2部分:試驗(yàn)方法 試驗(yàn)Kb:鹽霧,交變(氯化鈉溶液) GB/T 2900.10 電工術(shù)語(yǔ) 電纜 GB/T 3048.4 電線電纜電性能試驗(yàn)方法 第4部分:導(dǎo)體直流電阻試驗(yàn) GB/T 3048.5 電線電纜電性能試驗(yàn)方法 第5部分:絕緣電阻試驗(yàn) GB/T 3048.8 電線電纜電性能試驗(yàn)方法 第8部分:交流電壓試驗(yàn) GB/T 3048.9 電線電纜電性能試驗(yàn)方法 第9部分:絕緣線芯火花試驗(yàn) GB/T 3048.13 電線電纜電性能試驗(yàn)方法 第13部分:沖擊電壓試驗(yàn) GB/T 3956 電纜的導(dǎo)體 GB/T 4909.2 裸電線試驗(yàn)方法 第2部分:尺寸測(cè)量 GB/T 6995.1 電線電纜識(shí)別標(biāo)志方法 第1部分:一般規(guī)定 GB/T 16927.1 高電壓試驗(yàn)技術(shù) 第1部分:一般定義及試驗(yàn)要求 GB/T 18380.12 電纜和光纜在火焰條件下的燃燒試驗(yàn) 第12部分:單根絕緣電線電纜火焰垂直 蔓延試驗(yàn)1kW預(yù)混合型火焰試驗(yàn)方法 GB/T 18380.35 電纜和光纜在火焰條件下的燃燒試驗(yàn) 第35部分:垂直安裝的成束電線電纜火焰垂直蔓延試驗(yàn) C類 JB/T 8137(所有部分) 電線電纜交貨盤 JB/T 10696.7 電線電纜機(jī)械和理化性能試驗(yàn)方法 第7部分:抗撕試驗(yàn) IEC 60719 額定電壓450/750V及以下圓形銅導(dǎo)體電纜平均外形尺寸的下限和上限的計(jì)算(Calculation of the lower and upper limits for the average outer dimensions of cables with circular copper conductors and of rated voltages up to and including 450/750V) IEC 60811-201 電纜和光纜 非金屬材料測(cè)試方法 第201部分:通用試驗(yàn) 絕緣厚度測(cè)量(Electric and optical fibre cables – Test methods for non-metallic materials -Part201: General tests – Measurement of insulation thickness 3 術(shù)語(yǔ)和定義 GB / T2900.10 界定的以及下列術(shù)語(yǔ)和定義適用于本文件。 3.1 額定電壓 rated voltage 電纜設(shè)計(jì)、使用和進(jìn)行電性能試驗(yàn)用的基準(zhǔn)電壓。 3.2 批batch 一次訂貨的同型號(hào)規(guī)格產(chǎn)品。 注: 如果一次訂貨中有不同型號(hào)規(guī)格的產(chǎn)品, 則不同的型號(hào)規(guī)格視為不同的批。 3.3 例行試驗(yàn) routinetests R 由制造方在成品電纜的所有制造長(zhǎng)度上進(jìn)行的試驗(yàn), 以檢驗(yàn)所有電纜是否符合規(guī)定的要求。 3.4 抽樣試驗(yàn) sample tests S 由制造方按規(guī)定的頻度，在成品電纜試樣上或在取自成品電纜的某些部件上進(jìn)行的試驗(yàn), 以檢驗(yàn)電纜是否符合規(guī)定要求。 3.5 型式試驗(yàn) type tests T 按一般商業(yè)原則對(duì)本文件所包含的一種類型電纜在供貨前所進(jìn)行的試驗(yàn)，以證明電纜具有能滿足預(yù)期使用條件的滿意性能。 注: 該試驗(yàn)的特點(diǎn)是除非電纜材料、設(shè)計(jì)或制造工藝的改變可能改變電纜的特性，試驗(yàn)做過(guò)以后就不需要重做。 4 使用特性 4.1 額定電壓 本文件中電纜的額定電壓U0/U標(biāo)示為:450/750V、0.6/1kV、1.8/3kV。 U0表示任一主絕緣導(dǎo)體與“地”(金屬屏蔽、金屬套或周圍介質(zhì))之間的電壓有效值;U為多芯電纜或單芯電纜任意兩相導(dǎo)體之間的電壓有效值。 4.2 電纜正常運(yùn)行時(shí)導(dǎo)體最高溫度 電纜正常運(yùn)行時(shí)導(dǎo)體最高溫度為: ———電壓等級(jí)450/750V為90°C; ———電壓等級(jí)0.6/1kV為90°C、105°C; ———電壓等級(jí)1.8/3kV為90°C、105°C。 4.3 最小彎曲半徑 電纜的最小彎曲半徑為電纜直徑的6倍。