GB/T 22072-2018 English PDF

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GB/T 22072-2018: Specifications and technical requirements for dry-type amorphous alloy core distribution transformers
Status: Valid

GB/T 22072: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22072-2018	199	Add to Cart	3 days	Specifications and technical requirements for dry-type amorphous alloy core distribution transformers	Valid
GB/T 22072-2008	279	Add to Cart	3 days	Specifications and technical requirements for dry-type amorphous alloy core distribution transformers	Obsolete

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GB/T 19212.5   GB/T 10228   GB/T 8286   GB/T 22071.1   GB/T 22071.2   

Basic data

Standard ID: GB/T 22072-2018 (GB/T22072-2018)
Description (Translated English): Specifications and technical requirements for dry-type amorphous alloy core distribution transformers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K41
Classification of International Standard: 29.180
Word Count Estimation: 10,172
Date of Issue: 2018-12-28
Date of Implementation: 2019-07-01
Older Standard (superseded by this standard): GB/T 22072-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 22072-2018: Specifications and technical requirements for dry-type amorphous alloy core distribution transformers

---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.
Specifications and technical requirements for dry--type amorphous alloy core distribution transformers ICS 29.180 K41 National Standards of People's Republic of China Replace GB/T 22072-2008 Dry amorphous alloy core distribution transformer Technical parameters and requirements Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 performance parameters 2 5 Technical requirements 4 6 Inspection rules and methods 6 7 Marking, packaging, transportation and storage 6 Table 1 6kV, 10kV class non-excitation voltage regulating distribution transformer (self-cooling) performance parameters 2 Table 2 20kV class non-excitation voltage regulating distribution transformer (self-cooling) performance parameters 3 Table 3 35kV class non-excitation voltage regulating distribution transformer (self-cooling) performance parameters 4 Table 4 6kV, 10kV class non-excitation voltage regulating distribution transformer (self-cooling) sound power level limit 5 Table 5 20kV, 35kV class non-excitation voltage regulating distribution transformer (self-cooling) sound power level limit 6

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 22072-2008 "dry amorphous alloy iron core distribution transformer technical parameters and requirements", and GB/T 22072- The main technical changes in.2008 are as follows. --- Modifications to normative references (see Chapter 2); --- Adjusted the no-load current and sound level of the 10kV voltage class (see 4.1 and 5.3, Chapter 4 of the.2008 edition) And 5.11); --- Increased performance parameters and sound level levels for products at 20kV and 35kV (see 4.2, 4.3 and 5.3). This standard was proposed by the China Electrical Equipment Industry Association. This standard is under the jurisdiction of the National Transformer Standardization Technical Committee (SAC/TC44). This standard was drafted. Shenyang Transformer Research Institute Co., Ltd., Shanghai Huguang Transformer Co., Ltd., Shanghai Credit Electric Co., Ltd. Co., Ltd., Beijing Institute of Electrical and Mechanical Technology, Machinery Industry, Guangzhou Zhongche Junfa Electric Co., Ltd., State Grid Corporation East China Branch, China National Electric Power Research Institute Co., Ltd., Shanghai Shentong Metro Group Co., Ltd. Technology Center, Haihong Electric Co., Ltd., TBEA Hunan Electric Co., Ltd., Shandong Power Equipment Co., Ltd., Hainan Jinpan Intelligent Technology Co., Ltd., Shandong Dongchen Energy-saving Power Equipment Co., Ltd. Company, TBEA Co., Ltd. Xinjiang Transformer Factory, Zhejiang Jiangshan Transformer Co., Ltd., Shunte Electric Equipment Co., Ltd., Ming Zhu Electric Co., Ltd., Wujiang Transformer Co., Ltd. The main drafters of this standard. Zhang Zhongguo, Zhang Xianzhong, Long Hao, Sha Jianguo, Ling Jian, Guo Zhenyan, Fan Jianping, Jiang Yimin, Fu Chao, Wang Xiaobao, Liang Qingning, Wang Shibao, Zhao Yongzhi, Li Hui, Zhang Chunfang, Fang Yujie, Jiang Zhenjun, Li Xia, Cai Dingguo, Lin Canhua. The previous versions of the standards replaced by this standard are. ---GB/T 22072-2008. Dry amorphous alloy core distribution transformer Technical parameters and requirements

1 Scope

This standard specifies the terms and definitions, performance parameters, technical requirements, inspection rules and methods of dry amorphous alloy iron core distribution transformers. Marking, packaging, transportation and storage. This standard applies to the system nominal voltage of 6kV, 10kV, 20kV and 35kV, rated frequency is 50Hz, rated capacity is 30kVA~2500kVA, three-phase dry amorphous alloy core non-excitation voltage regulating distribution transformer used indoors (hereinafter referred to as "variable voltage" ""). For other rated capacity products, please refer to the use of this standard. This standard does not apply to inflatable transformers.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 191 packaging storage and transportation icon GB/T 1094.1 Power transformers - Part 1. General GB/T 1094.10 Power transformers - Part 10. Sound level determination GB/T 1094.11 Power transformers - Part 11. Dry transformers GB/T 1094.12 Power transformers - Part 12. Load guides for dry power transformers GB/T 2828.1. Sampling procedures for sampling by sampling - Part 1 . Batch-to-batch sampling plan, searched by AQL GB/T 2900.95 Electrical terminology transformers, voltage regulators and reactors GB/T 5273 high-voltage electrical terminal size standardization GB/T 5465.2 Graphical symbols for electrical equipment - Part 2. Graphical symbols JB/T 501 Power Transformer Test Guide

3 Terms and definitions

The following terms and definitions as defined in GB/T 1094.1, GB/T 1094.11 and GB/T 2900.95 apply to this document. 3.1 Amorphous alloy amorphousaloy An alloy in which iron atoms, silicon, boron, carbon, cobalt and the like are used as raw materials, and internal atoms are disorderly arranged by a special process such as rapid cooling. 3.2 Amorphous alloy core amorphousaloycore A transformer core made of an amorphous alloy strip having soft magnetic properties. 3.3 Dry amorphous alloy core distribution transformer dry-typeamorphousaloycoredistributiontransformer A dry distribution transformer with an amorphous alloy core as a magnetic conductive material. ......

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