GB/T 25438-2010 English PDF

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GB/T 25438-2010: Specification and technical requirements for three-phase oil-immersed tridimensional toroidal-core distribution transformers
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25438-2010	279	Add to Cart	3 days	Specification and technical requirements for three-phase oil-immersed tridimensional toroidal-core distribution transformers	Valid

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Basic data

Standard ID: GB/T 25438-2010 (GB/T25438-2010)
Description (Translated English): Specification and technical requirements for three-phase oil-immersed tridimensional toroidal-core distribution transformers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K41
Classification of International Standard: 29.180
Word Count Estimation: 12,139
Date of Issue: 2010-11-10
Date of Implementation: 2011-05-01
Quoted Standard: GB 1094.1; GB 1094.2; GB 1094.3; GB 1094.5; GB/T 1094.7; GB/T 1094.10; GB/T 2900.15
Regulation (derived from): Announcement of Newly Approved National Standards No. 8 of 2010 (total 163)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the three-dimensional three-phase oil-immersed distribution transformers wound core terms and definitions, performance parameters, technical requirements, test items, signs, lifting, packing, transportation and storage. This standard applies to the voltage rating of 6 kV, 10 kV class, rated frequency of 50 Hz, the rated capacity of 30 kVA-1600 kVA three-phase three-dimensional wound core oil and non-excitation regulating distribution transformer (hereinafter referred to as " Transformers ").

GB/T 25438-2010: Specification and technical requirements for three-phase oil-immersed tridimensional toroidal-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.
Specification and technical requirements for three-phase oil-immersed tridimensional toroidal-core distribution transformers ICS 29.180 K41 National Standards of People's Republic of China Three-phase oil-immersed three-dimensional wound core distribution Transformers technical parameters and requirements Issued on. 2010-11-10 2011-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is based on the current domestic three-phase oil-immersed transformer industry production technology perspective wound core distribution transformer based system Given. The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee transformers (SAC/TC44) centralized. This standard was drafted. Shenyang Transformer Research Institute, Guangdong Haihong Transformer Co., Ltd., Jiangxi Han Power Technology Co., Ltd., Shijiazhuang Zhuang Tiandun Electric Co., Ltd., State Grid Electric Power Research Institute, Guangdong Julong Electric Power Equipment Co., Ltd. Guangzhou Panyu Pearl electrical limited liability Any company, Guangdong Power Research Institute, Guangdong Long Park Ji Sian Electric Co., Ltd., Wujiang Transformer Co., Ltd., Guangdong Power Grid Corporation, Hyosung Baoding Tianwei Transformer Co., Ltd. The main drafters of this standard. Guo Yan, Sun Jun, Guo Xianqing, Dingyou Yuan, Li Xijiang, item Yang, Ren Xiaohong, the Origins of Chan Caiding Guo, Xu Linfeng, Lvdao Xian, Lincan Hua, Liang Jin, Cao Jianfei. Three-phase oil-immersed three-dimensional wound core distribution Transformers technical parameters and requirements

1 Scope

This standard specifies the terms and definitions of three-phase oil-immersed three-dimensional wound core distribution transformers, performance parameters, technical requirements, test items, standard Chi, lifting, packaging, transportation and storage. This standard applies to the voltage rating of 6kV, 10kV grade, rated frequency 50Hz, rated capacity of 30kVA ~ 1600kVA Three-phase oil-immersed three-dimensional wound core distribution transformers without excitation regulator (hereinafter referred to as "transformer"). Note. Other rated capacity may refer to the use of this product standard.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 1094.1 Power transformers - Part 1. General (GB 1094.1-1996, eqv IEC 60076-1.1993) GB 1094.2 Power transformers - Part 2. Temperature Rise (GB 1094.2-1996, eqv IEC 60076-2.1993) GB 1094.3 Power transformers Part 3. Insulation levels, dielectric tests and external insulation air gap (GB 1094.3-2003, eqv IEC 60076-3.2000) GB 1094.5 Power transformers Part 5. Ability to withstand short circuit (GB 1094.5-2008, IEC 60076-5.2006, MOD) GB/T 1094.7 Power transformers - Part 7. oil-immersed power transformer loading guidelines (GB/T 1094.7-2008, IEC 60076-7.2005, MOD) GB/T 1094.10 Power transformers - Part 10. Determination of sound levels (GB/T 1094.10-2003, IEC 60076-10.2001, MOD) GB/T 2900.15 Electrotechnical terminology transformers, transformers, regulators and reactors (GB/T 2900.15-1997, neqIEC 60050- 421.1990, IEC 60050-321. 1986)

3 Terms and Definitions

And GB 1094.1 and the following terms and definitions GB/T 2900.15 established in applicable to this standard. 3.1 Three-dimensional wound core tridimensionaltoroidal-core By the same three geometries winding iron core single frame together such a triangular arrangement of three-dimensional core. 3.2 Three-dimensional wound core distribution transformers tridimensionaltoroidal-coredistributiontransformer Three-dimensional wound core of the magnetic circuit distribution transformers.

4 Performance Parameters

Transformer rated capacity, voltage combination, connection symbol, load loss, load loss, no-load current and short-circuit impedance shall be in accordance with Table 1 Provisions. ......

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