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GB/T 33346-2025 English PDF

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Q: Should I purchase the latest version GB/T 33346-2025?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 33346-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$369.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 33346-2025: Busbar trunking systems(compact insulated busways) for wind power
Status: Valid

GB/T 33346: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33346-2025	369	Add to Cart	4 days	Busbar trunking systems(compact insulated busways) for wind power	Valid
GB/T 33346-2016	279	Add to Cart	3 days	Busbar trunking systems (closed insulated busbar) for wind power	Valid

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Basic data

Standard ID: GB/T 33346-2025 (GB/T33346-2025)
Description (Translated English): Busbar trunking systems(compact insulated busways) for wind power
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K31
Classification of International Standard: 29.130.20
Word Count Estimation: 18,128
Date of Issue: 2025-08-01
Date of Implementation: 2026-02-01
Older Standard (superseded by this standard): GB/T 33346-2016
Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China

GB/T 33346-2025: Busbar trunking systems(compact insulated busways) for wind power

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT33346-2025
ICS 29.130.20 CCSK31 National Standard of the People's Republic of China Replaces GB/T 33346-2016 Wind power conductor rails (intensive bus ducts) Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Conditions of Use 1 5 Interface Features 3 6 Structural Requirements 4 7 Performance Requirements 5 8 Test Verification 6 9 Routine Inspection 9 10 Nameplate and logo, packaging, transportation and storage methods 10 Appendix A (Normative) Offshore Wind Turbine Busbar Related Tests 12 Reference 13 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 33346-2016 Wind Power Conductor Rail (Dense Busbar Duct) and is consistent with GB/T 33346-2016. In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the scope (Chapter 1, Chapter 1 of the.2016 edition); --- Changed the terms and definitions of wind power conductor rails (see 3.1, 3.1 of the.2016 edition); --- Deleted some terms and definitions (see 3.2 to 3.8 of the.2016 edition); --- Changed the normal use conditions (see 4.1, 4.1.1.1 to 4.1.1.3 of the.2016 edition); --- Added sea surface pollution level (see 4.1.2); --- Deleted the rated frequency requirements in the rated data (see 5.1.4 of the.2016 edition); --- Changed the requirements for insulating materials (see 6.2.3, 5.3.3 of the.2016 edition); --- Changed the dielectric performance requirements and dielectric performance verification methods (see 7.1, 8.4.7, 6.4.7 of the.2016 edition); --- Added corrosion resistance verification and insulation material performance verification (see 8.4.1, 8.4.2); --- Added fungus resistance test (see 8.4.12); --- Added other tests for offshore wind power bus duct (see 8.4.13); --- Added offshore wind power bus duct related tests (see Appendix A). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Standardization Committee for Low-voltage Complete Switchgear and Control Equipment (SAC/TC266). This document was drafted by. Tianjin Electric Science Research Institute Co., Ltd., Tianjin Tianchuan Electric Control Equipment Testing Co., Ltd., Zhenjiang Product Quality Inspection Co., Ltd. Quality Supervision and Inspection Center, Jiangsu Hongqiang Electric Group Co., Ltd., Hangzhou Huahong Communication Equipment Co., Ltd., Shenglong Electric Group Co., Ltd., China Quality Certification Center Co., Ltd., Shanghai Youbang Electric (Group) Co., Ltd., Hunan Xianghe Group Cable Technology Co., Ltd. Shenzhen Yuzhan Electric Co., Ltd., Guangzhou Radius Electric Co., Ltd., Guangdong Guling Electric Co., Ltd., Guangdong Baoshi Electric Co., Ltd. Co., Ltd., Xilang Electric Industry Group Co., Ltd., Guangdong Cisco General Electric Technology Co., Ltd., Hebei Tianhua Electric Technology Co., Ltd., Hangbaosheng Electric Co., Ltd., Yangzhong Inspection and Testing Center (Jiangsu Province Power Distribution Equipment Quality Inspection and Testing Center), TBEA Yunji Electric Gas Co., Ltd., Fujian Senda Electric Co., Ltd., Jiangsu Huaqiang Electric Power Equipment Co., Ltd., Hongguang Electric Group Co., Ltd., Eaton Line (Jiangsu) Co., Ltd., Shandong Luneng Energy Electric Equipment Co., Ltd., Weiteng Electric Group Co., Ltd., Shenzhen Jinhuatian Electric Power Co., Ltd., Shanghai Rongqin Electric Group Co., Ltd., Jiangsu Shilin Electric Group Co., Ltd., Jiangsu Pinggao Taishida Electric Co., Ltd., Ningbo AUX Intelligent Technology Co., Ltd. and Qingdao Dongshan Group Busbar Intelligent Manufacturing Co., Ltd. The main drafters of this document are. Zhang Lei, Wang Yang, Cui Weifeng, Dai Hongbing, Zhao Yanming, Lü Peihe, Xie Zhengxin, Zhang Guangyue, Di Meixian, Wang Guoliang, Wang Zhenwu, Zhang Hequan, Zheng Kaida, Zhu Henglin, Xu Zhaohui, Wu Pengtao, Lu Chuan, Zhai Shuzeng, Wang Shinian, Chen Hongxia, Zhang Yi, He Hongjun, Wei Jun, Chen Yingchao, Chen Weiwei, Wang Kuan, Yan Heng, Guo Qi, Zeng Xiaohua, Zhang Jie, Chen Daohua, Cheng Zhiwei, Wang Yanxin, and Huang Hongbin. The previous versions of this document and the documents it replaces are as follows. ---First published in.2016 as GB/T 33346-2016; ---This is the first revision. Wind power conductor rails (intensive bus ducts) 1 Scope This document specifies the use conditions, interface characteristics, structural requirements, Performance requirements, test verification, routine inspection, nameplate and marking, packaging, transportation and storage methods, etc. This document applies to wind turbine towers or wind turbine cabins with rated voltage AC not exceeding 1000V and frequency of 50Hz or 60Hz. Wind power bus duct. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 2423.4 Environmental testing for electric and electronic products Part 2.Test methods Test Db. Cyclic damp heat (12h 12h cycle ring) GB/T 2423.10 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal) GB/T 2423.16 Environmental testing Part 2.Test methods and guidance. Mildew growth GB/T 2423.17 Environmental testing Part 2.Test methods Test Ka. Salt spray GB/T 4208 Degrees of protection provided by enclosures (IP code) GB/T 7251.1-2023 Low-voltage switchgear and controlgear assemblies Part 1.General GB/T 7251.6-2015 Low-voltage switchgear and controlgear assemblies Part 6.Busbar trunk systems (busbar ducts) GB/T 13384-2008 General technical requirements for packaging of electromechanical products 3 Terms and Definitions For this document, the terms and definitions defined in GB/T 7251.1-2023 and GB/T 7251.6-2015 and the following terms and definitions apply. 3.1 busway The bus duct, which is formed by covering the bare busbar with insulating material and placing it close to the channel casing, is used as a conductive rail for wind power generation. 4 Conditions of Use 4.1 Normal use conditions 4.1.1 Climate conditions Wind power bus ducts conforming to this document are suitable for the climatic conditions in Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 33346-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 33346-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 33346-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 33346-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 33346-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 33346-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.