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GB/T 1094.16-2025 English PDF

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GB/T 1094.16-2025: Power transformers - Part 16: Transformers for wind turbine applications
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GB/T 1094.16: Evolution and historical versions

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GB/T 1094.16-2025English439 Add to Cart 4 days [Need to translate] Power transformers - Part 16: Transformers for wind turbine applications Valid GB/T 1094.16-2025
GB 1094.16-2013English839 Add to Cart 6 days [Need to translate] [GB/T 1094.16-2013] Power transformers -- Part 16: Transformers for wind turbine applications Valid GB 1094.16-2013

Standard similar to GB/T 1094.16-2025

GB/T 1094.7   GB/T 1094.11   GB/T 1094.14   

Basic data

Standard ID GB/T 1094.16-2025 (GB/T1094.16-2025)
Description (Translated English) Power transformers - Part 16: Transformers for wind turbine applications
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K41
Classification of International Standard 29.180
Word Count Estimation 22,227
Date of Issue 2025-08-01
Date of Implementation 2026-02-01
Older Standard (superseded by this standard) GB/T 1094.16-2013
Issuing agency(ies) State Administration for Market Regulation, Standardization Administration of China

GB/T 1094.16-2025: Power transformers - Part 16: Transformers for wind turbine applications

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National Standard of the People's Republic of China ICS 29.180CCS K 41 power transformers Part 16.Transformers for wind power generation (IEC /IEEE 60076⁃16.2018, MOD) Released on August 1, 2025 2026-02-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Replaces GB/T 1094.16-2013

Table of Contents

Preface Ⅲ Introduction VI 1 Scope...1 2 Normative references 1 3 Terms and Definitions 2 4 Rated value...2 5 Conditions of Use 2 6 Electrical performance 5 7 nameplate...7 8 Experiments 7 Appendix A (Informative) Degree of conformity between GB/T 30790 (all parts) and ISO 12944 (all parts) 9 Appendix B (Informative) Impact of Voltage Harmonics 10 References...12 Table 1 Recommended short-circuit impedance values for transformers with two independent windings 6 Table B.1 Example of voltage harmonic order...10 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 is required. This document is Part 16 of GB/T 1094 "Power Transformers". GB/T 1094 has been published in the following parts. --Part 1.General provisions; -- Part 2.Temperature rise of liquid immersed transformers; -- Part 3.Insulation levels, insulation tests and external insulation air gaps; -- Part 4.Guidelines for lightning impulse and switching impulse tests on power transformers and reactors; --Part 5.Ability to withstand short circuit; --Part 6.Reactors; -- Part 7.Guidelines for loading of oil-immersed power transformers; -- Part 10.Determination of sound levels; -- Part 101.Application Guidelines for Sound Level Determination; -- Part 11.Dry-type transformers; -- Part 12.Guidelines for loading of dry-type power transformers; -- Part 14.Liquid-immersed power transformers using high-temperature insulation materials; -- Part 15.Gas-filled power transformers; -- Part 16.Transformers for wind power generation; --Part 18.Frequency response measurements; -- Part 23.DC bias suppression devices. This document replaces GB/T 1094.16-2013 "Power transformers Part 16.Transformers for wind power generation" and is compatible with GB/T 1094.16- Compared with.2013, in addition to structural adjustments and editorial changes, the main technical changes are as follows. -- Changed the scope to increase the maximum applicable voltage of the equipment to 72.5 kV (see Chapter 1, Chapter 1 of the.2013 edition); -- Added the terms and definitions of "effective cooling medium", "box-type transformer", "sealed transformer" and "routine sampling test" (see 3.4, 3.5, 3.6, and 3.7); --Added requirements for rated values (see Chapter 4); --Changed the conditions of use (see Chapter 5, Chapter 4 of the.2013 edition); --Deleted the guaranteed temperature rise values under rated capacity and rated conditions, and changed and improved the electrical performance except the short-circuit withstand capability In accordance with the requirements of the.2013 edition, the requirements for closing frequency (frequency) and overheat protection are added (see Chapter 6, Chapter 5 of the.2013 edition); --The test items and methods have been changed (see Chapter 8, Chapter 7 of the.2013 edition). This document is modified to adopt IEC /IEEE 60076-16.2018 "Power transformers Part 16.Transformers for wind power generation". Compared with IEC /IEEE 60076-16.2018, this document has the following structural adjustments. --Chapter 4 has been deleted, and subsequent chapters and articles have been numbered forward accordingly; --Added Appendix A; --Appendix B corresponds to Appendix A of IEC /IEEE 60076-16.2018. The technical differences between this document and IEC /IEEE 60076-16.2018 and their reasons are as follows. --The original IEC document is compatible with the technical contents of both IEC and IEEE standards. This document only uses the contents of the IEC standard and deletes In addition to all technical contents related to IEEE standards (including ANSI standards), to conform to my country's actual conditions; --GB/T 1094.1, GB/T 1094.2, GB/T 1094.3, GB/T 1094.5, GB/T 1094.7, GB/T 1094.11, GB/T 1094.12, GB/T 1094.14, GB/T 18494.1, GB/T 30790 (all parts) and GB/T 30790.2-2014 replaces IEC 60076-1, IEC 60076-2, IEC 60076-3, IEC 60076-5, IEC 60076-7, IEC 60076-11, IEC 60076-12, IEC 60076-14, IEC 61378-1, ISO 12944 (all parts) 1) and ISO 12944-4, and added normative references to GB/T 2900.53 and GB/T 2900.95 to adapt to my country's Technical conditions (see Chapter 1, Chapter 3, 5.1, 5.2.2, 5.3, 5.6, 5.9, 5.11, 6.1, 6.6~6.8, 6.10, 6.11, Chapter 7, 8.1, 8.2.4 and 8.2.5); -- The requirement on “use of normative references” has been deleted to conform to my country’s actual situation (see Chapter 4); -- Adjust IEC 60721-3-4 from a reference document to a normative reference document and replace it with GB/T 4798.4 to comply with be in line with my country's actual situation (see 5.2); --Changed the standard for pressure sealing test and pressure deformation test from EN 50588-1.2015 to GB/T 6451 to comply with be in line with my country's actual situation (see 5.10); --The requirements for thermal durability testing have been changed to suit my country's actual conditions (see 5.12); -- Added "The insulation level of the high-voltage winding and low-voltage winding of the dry-type transformer shall comply with the provisions of GB/T 1094.11" and deleted The requirement that “the insulation level can also be improved” has been revised to conform to the actual situation in my country (see 6.6). The following editorial changes have been made to this document. --Changed the content of Chapter 1; -- Changed the introductory words of Chapter 3 and added "Note. Transformers for wind power generation are hereinafter referred to as transformers" in 3.1; --Added the numbers of some formulas in 5.2.2; -- Added "For the effects of voltage harmonics, see Appendix B" in 5.5 to reference the appendix in the main text; --Changed the content of the note in 5.6; --Change "top oil temperature" in the last paragraph of 6.11 to "top liquid temperature"; --Deleted the "Note" in B.1; changed Bh, Bn, Vh and V1 in B.2 to Bh, Bn, Uh and U1 respectively; changed the symbol V1 Change “rated voltage” in the explanation to “fundamental voltage”; change “magnetic flux density is the integral of voltage over time” in the penultimate paragraph to Change the note to "the magnetic flux is the integral of voltage over time"; change the note to "it is mainly the eddy current loss in the no-load loss that causes the magnetic flux density". The increase of harmonic components of magnetic flux density is changed to "the harmonic components of magnetic flux density mainly increase the eddy current loss in no-load loss"; -- Changed references. 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 Committee for Standardization of Transformers (SAC/TC 44). This document was drafted by. Shenyang Transformer Research Institute Co., Ltd., Shunte Electric Equipment Co., Ltd., Jiangsu Huapeng Transformer Co., Ltd. Guangxi Nanbaote Electric Manufacturing Co., Ltd., Zhejiang Jiangshan Transformer Co., Ltd., Mingzhu Electric Co., Ltd., Chint High Voltage Electrical Equipment (Wuhan) Co., Ltd., Ningbo Aux Intelligent Technology Co., Ltd., Jiangsu Huachen Transformer Co., Ltd., Hainan Jin Pan Intelligent Technology Co., Ltd., TBEA Hengyang Transformer Co., Ltd., Shanghai Zhixin Electric Co., Ltd., Xi'an High Voltage Electrical Equipment Research Institute Institute Co., Ltd., Hunan Huaxia Special Transformer Co., Ltd., Changzhou Xidian Transformer Co., Ltd., Yangzhou Huading Electric Co., Ltd., Chenglai Electric Technology Co., Ltd., Tianjin Huaneng Transformer Co., Ltd., Chengdu XD Zhongte Electric Co., Ltd., TBEA Beijing-Tianjin-Hebei Intelligent Technology Co., Ltd., Hengshui Bihai Electric Power Equipment Co., Ltd., Xidian Jinan Transformer Co., Ltd., Hongguang Electric Group Co., Ltd., TBEA Shenyang Transformer Group Co., Ltd., Hongle Group Co., Ltd., Shandong Electric Power Equipment Co., Ltd., China Electric Power Research Institute Co., Ltd., State Grid Jilin Electric Power Co., Ltd. Electric Power Research Institute, Envision Energy Co., Ltd., China Southern Power Grid Research Institute Co., Ltd. Ren Company, Beijing Goldwind Science and Technology Wind Power Equipment Co., Ltd. The main drafters of this document are. Du Wei, Li Xia, Wang Xin, Chen Qi, Li Bin, Jiang Zhenjun, Cai Dingguo, Zhong Zhaolong, An Tao, Jiang Shuowen, Wang Zhongbo, Wang Libin, Shi Wenbo, Li Xuanjiannan, Zhang Ximing, Wu Guoliang, Kaohsiung Ying, Zheng Guopei, Liu Peixin, He Yi, Zhang Yicheng, Wang Song, Wu Zeyu, Chen Weiwei, Xu Ping, Feng Junfeng, Lin Bo, Ying Si, Zhao Chunming, Wang Jianghui, Zhuoran, and Han Zhiqiang. The previous versions of this document and the documents it replaces are as follows. --First published in.2013 as GB/T 1094.16-2013; --This is the first revision.

introduction

The formulation of power transformer standards is to establish a set of optimal evaluation criteria for power transformers, Provide guidance on the matters needing attention in selection, design, production, inspection, selection, operation and maintenance. The GB/T 1094 series of standards aims to Establish principles and relevant rules applicable to the design, manufacture, testing, operation and maintenance of power transformers, which will be divided into 16 parts. constitute. --Part 1.General Principles. The purpose is to establish the principles that need to be followed in the design, manufacture and production testing of various types of power transformers. General principles and relevant rules. -- Part 2.Temperature rise of liquid immersed transformers. The purpose is to establish the relevant temperature rise aspects applicable to various types of liquid immersed power transformers. Technical requirements and test methods. -- Part 3.Insulation level, insulation test and external insulation air gap. The purpose is to establish the requirements for various types of liquid immersed power transformers. Technical requirements and insulation test methods for transformers regarding insulation level, insulation test and external insulation air gap. -- Part 4.Guidelines for lightning impulse and switching impulse tests on power transformers and reactors. Technical requirements and test methods for lightning impulse tests and switching impulse tests on power transformers and reactors. --Part 5.Short-circuit Withstand Capacity. The purpose is to establish the short-circuit withstand capacity of various types of power transformers. Technical requirements and test methods for short-circuit withstand capability. -- Part 6.Reactors. The purpose is to establish technical requirements and test requirements applicable to various types of reactors. -- Part 7.Guidelines for Loading of Oil-Immersed Power Transformers. The purpose is to provide guidance on the load operation of various oil-immersed power transformers. Provide guidance when necessary. --Part 10.Sound level determination. The purpose is to establish the technical requirements for sound level of various power transformers and reactors. Requirements and test methods for determination of sound levels. -- Part 101.Application Guidelines for Sound Level Measurement. The purpose is to provide guidance on the sound level measurement of various power transformers and reactors. Provide guidance. -- Part 11.Dry-type transformers. The purpose is to establish technical requirements and test requirements applicable to various types of dry-type power transformers. -- Part 12.Guidelines for loads on dry-type power transformers. The purpose is to provide guidance on the loads of various types of dry-type power transformers. Provide guidance. -- Part 14.Liquid-immersed power transformers using high temperature insulation materials. Technical requirements and test requirements for liquid-immersed transformers using insulation materials. -- Part 15.Gas-filled power transformers. The purpose is to establish the technical requirements and Test requirements. -- Part 16.Transformers for wind power generation. The purpose is to establish the technical requirements and Test requirements. --Part 18.Frequency response measurement. The purpose is to establish the technical aspects of frequency response applicable to various types of power transformers. Requirements and test methods for frequency response measurements. -- Part 23.DC bias suppression devices. The purpose is to establish the technical requirements and Test requirements. GB/T 1094 defines the technical contents of various power transformers and reactors through 16 parts, and gives specific technical specifications. Technical requirements, test items, test procedures, test methods and operation instructions, etc. By establishing clear scope, terminology, technical requirements for various products and test requirements, so that personnel engaged in related product design, production, testing, use, operation and maintenance can more clearly and accurately To carry out operations, thus laying the foundation for the design and manufacture of high-quality products, better promote trade, exchanges and technical cooperation, and provide a solid foundation for my country's power grid Provide guarantee for normal operation. power transformers Part 16.Transformers for wind power generation

1 Scope

This document specifies the ratings, operating conditions, electrical performance, nameplates and tests of transformers for wind power generation. This document applies to dry-type and liquid-immersed transformers for wind power generation step-up that comply with the requirements of GB/T 1094.1 and GB/T 1094.11. The maximum voltage of the equipment is not higher than 72.5 kV. This document also applies to the connection of a single wind turbine to the wind farm power collection system or phase Transformers adjacent to the distribution network are not suitable for transformers connecting multiple wind turbines to the distribution or transmission network.

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 1094.1 Power transformers Part 1.General principles (GB/T 1094.1-2013, IEC 60076-1.2011, MOD) GB/T 1094.2 Power transformers Part 2.Temperature rise of liquid-immersed transformers (GB/T 1094.2-2013, IEC 60076⁃ 2.2011,MOD) GB/T 1094.3 Power transformers Part 3.Insulation levels, insulation tests and external insulation air gaps (GB/T 1094.3- 2017, IEC 60076⁃3.2013, MOD) GB/T 1094.5 Power transformers Part 5.Short-circuit withstand capability (GB/T 1094.5-2008, IEC 60076-5. 2006, MOD) GB/T 1094.7 Power transformers Part 7.Guidelines for loading of oil-immersed power transformers (GB/T 1094.7-2024, IEC 60076-7.2018, MOD) GB/T 1094.11 Power transformers Part 11.Dry-type transformers (GB/T 1094.11-2022, IEC 60076 ⁃ 11. 2018, MOD) GB/T 1094.12 Power transformers Part 12.Guidelines for loads on dry-type power transformers (GB/T 1094.12-2013, IEC 60076⁃12.2008, MOD) GB/T 1094.14 Power transformers Part 14.Liquid-immersed transformers using high-temperature insulating materials (GB/T 1094.14- 2022, IEC 60076⁃14.2013, MOD) GB/T 2900.53 Electrical Terminology Wind Turbine Generators (GB/T 2900.53-2001, IEC 60050-415.1999, IDT) GB/T 2900.95 Electrical terminology transformers, voltage regulators and reactors (GB/T 2900.95-2015, IEC 60050 ⁃421. 1990, NEQ) GB/T 4798.4 Classification of environmental conditions - Classification of environmental parameter groups and their severity - Part 4.Locations without weather protection Fixed use (GB/T 4798.4-2023, IEC 60721⁃3⁃4.2019, IDT) GB/T 6451 Technical parameters and requirements for oil-immersed power transformers GB/T 18494.1 Converter transformers Part 1.Converter transformers for industrial use (GB/T 18494.1-2014, IEC 61378⁃1. 2011, MOD) GB/T 30790 (all parts) Paints and varnishes - Corrosion protection of steel structures by protective paint systems [ISO 12944 (all parts) part)] Note. The degree of consistency between GB/T 30790 (all parts) and ISO 12944 (all parts) is shown in Appendix A.

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