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GB/T 13026-2017 English PDF

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GB/T 13026-2017: Types and dimensions of a.c. capacitance graded bushings
Status: Valid

GB/T 13026: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 13026-2017English639 Add to Cart 6 days [Need to translate] Types and dimensions of a.c. capacitance graded bushings Valid GB/T 13026-2017
GB/T 13026-2008English999 Add to Cart 5 days [Need to translate] Types and dimensions of a.c. capacitance graded bushings Obsolete GB/T 13026-2008
GB/T 13026-1991English439 Add to Cart 4 days [Need to translate] Oil impregnated paper capacitance graded wall bushings--Types and dimensions Obsolete GB/T 13026-1991

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Basic data

Standard ID GB/T 13026-2017 (GB/T13026-2017)
Description (Translated English) Types and dimensions of a.c. capacitance graded bushings
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K48
Classification of International Standard 29.080.20
Word Count Estimation 32,316
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Older Standard (superseded by this standard) GB/T 13026-2008
Regulation (derived from) National Standards Announcement No. 32 of 2017
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

GB/T 13026-2017: Types and dimensions of a.c. capacitance graded bushings

---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.
Types and dimensions of accapacitance graded bushings ICS 29.080.20 K48 National Standards of People's Republic of China Replacing GB/T 13026-2008 AC Capacitor Bushing Types and Sizes Published on.2017-12-29 2018-07-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released Directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Sleeve structure type and size 1 4.1 General Characteristics of Casing 1 4.1.1 External Insulation Characteristics 1 4.1.2 Air terminal size requirements 2 4.1.3 The main dimension deviation of the casing 3 4.1.4 Oil Level Indicator 4 4.1.5 Test Tap 4 4.2 The basic model of the casing 4 4.3 type and size of wall bushing 5 4.3.1 basic structure and type of wall bushing 5 4.3.2 Oil Paper Wall Bushing Type and Size 5 4.3.3 Dry Wall Bushing Type and Size 8 4.4 Transformer Sleeve Type and Size 10 4.4.1 Basic Structure and Model of Transformer Sleeve 10 4.4.2 Type and size of oil-paper transformer bushing 10 4.4.3 Types and dimensions of dry-type transformer bushings 20 4.5 Type and Size of Oil-SF6 Bushing 23 4.5.1 Basic Structure of Oil-SF6 Sleeve 23 4.5.2 Classification, Type and Size of Oil-SF6 Bushings 23 4.5.3 Oil-SF6 bushing model example description 23 Appendix A (informative) The description of the bushing model in GB/T 13026-2008 27 Table 1 Outer casing insulation creepage distance code 2 Table 2 Outdoor insulation length and creepage distance of bushing 2 Table 3 copper terminal size 3 under different current levels Table 4 Main dimensions of oil-filled wall bushings installed horizontally from 72.5kV to 550kV (Fig. 1) 7 Table 5 Main Sizes of 72.5kV~363kV Vertical Mounted Oil-Painted Wall Bushings (Figure 2) 8 Table 6 Types and Main Dimensions of 40.5kV~252kV Dry Wall Bushings (Figure 3) 9 Table 7 Types and Dimensions of 72.5kV~550kV Oil-Paper Insulation Transformer Bushings (Twisted Type) (Figure 4) 14 Table 8 Types and Dimensions of 72.5kV~1100kV Oil-Paper Insulation Transformer Bushings (Leading Rod or Current-Pipe Type) (Figure 5) 17 Table 9 Types and Dimensions of 72.5kV~550kV Dry-Type Transformer Bushings (Twisted Type) (Figure 7) 21 Table 10 Types and Dimensions of 40.5kV~550kV Dry-Type Transformer Bushings (Guided Current for Guide Rods) (Figure 8) 22 Table 11 72.5kV ~ 1100kV Oil-Paper Capacitive Oil-SF6 Bushing Type and Size (Figure 9) 25 Table 12 Types and Dimensions of 72.5kV~1100kV Dry Oil-SF6 Bushings (Figure 10) 26 Table A.1 Casing creepage distance rating code 28 Figure 1 Horizontal installation of oil paper wall sleeve structure diagram 5 Figure 2 Vertical installation of oil paper wall sleeve structure diagram 6 Figure 3 Structure of a dry wall bushing 8 Fig. 4 Schematic diagram of oil-paper transformer bushing (through cable) 11 Figure 5 Schematic diagram of oil-paper transformer bushing (guide rod or penetrating rod type) 12 Fig. 6 Diagram of the relative positions of oil pillows, vent plugs, and mounting flanges, etc. 13 Figure 7 Schematic diagram of dry transformer bushing (through cable) 20 Figure 8 Schematic diagram of 72.5 kV and above dry-type transformer bushings (guide bar current-carrying) 20 Figure 9 Structure of oil-paper insulating oil-SF6 bushing 23 Figure 10 Dry oil-SF6 bushing structure diagram 24

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 13026-2008 "AC Capacitive Bushing Types and Dimensions", compared with GB/T 13026-2008, mainly The technical changes are as follows. ---Supplemented dry-type transformer bushings, oil-SF6 bushings (including oil-immersed and dry-type structures); added 1100kV Grade size related to casing; --- The new model formulation method has been used to define the type of each type of casing; --- Simplified the original definition of the size of the general type of casing, standardized universal interface size, to facilitate the versatility and promotion. --- Added Appendix A (informative annex) to the AC capacitive bushing model specified in GB/T 13026-2008 Ming, in order to compare the old and new models. This standard was proposed by the China Electrical Appliance Industry Association. This standard is under the jurisdiction of the National Insulator Standardization Technical Committee (SAC/TC80). This standard was drafted by. Nanjing Electric (Group) Co., Ltd., Xi'an High Voltage Electrical Apparatus Research Institute Co., Ltd., China Electric Power Branch Institute of Science and Technology, National Insulator Surge Arrester Quality Supervision and Inspection Center, Xi'an Xideng High Voltage Sleeve Co., Ltd., Suzhou Electric Porcelain Factory Co., Ltd. , TBEA Shenyang Transformer Group Co., Ltd. Electrical Components Branch, Legend Electric (Shenyang) Co., Ltd., Baoding Tianwei Baochang Electric Co., Ltd., Fuling Huaxin Electric Porcelain Technology Co., Ltd., Beijing Nordwell Power Technology Development Co., Ltd., Nanjing Zhida Electric Gas Co., Ltd., Xi'an Xidian Transformer Co., Ltd., Beijing Pan-American Rete Technology Co., Ltd. The main drafters of this standard. He Ping, Liu Zhiqiang, Li Qingfeng, Yao Junrui, Shi Yubing, Wei Peng, Wu Guangya, Zhao Hui, Hou Jianfeng, Lu Zhou, Wen Zheng, Song Yili, Guo Mansheng, Yang Xuefeng, Wang Hao, Yan Yuhao, Zhao Wei, and Sun Wenfeng. The previous versions of the standards replaced by this standard are. ---GB/T 13026-1991, GB/T 13026-2008; --- GB/T 13027-1991. AC Capacitor Bushing Types and Sizes

1 Scope

This standard specifies the terms and definitions, structure types and dimensions of AC capacitive bushings. This standard applies to rated voltage 40.5kV ~ 1100kV, rated current is less than 6300A, frequency 15Hz ~ 60Hz three-phase Capacitive bushings used in flow systems. These capacitive bushings include. ---Wall bushing; --- Outlet bushings for equipment, such as transformer bushings, reactor bushings, etc.

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 version (including all amendments) applies to this document. GB/T 2900.8-2009 Electrical terminology insulators GB/T 4109-2008 Insulating tube with AC voltage higher than 1000V GB/T 5273 Standardization of terminal dimensions for high voltage electrical equipment GB/T 22382 Direct connection between gas insulated metal-enclosed switchgear and rated voltage 72.5kV and above GB/T 26218.1-2010 Selection and size determination of high-voltage insulators for use in dirty conditions Part 1. Definitions, information And general principles GB/T 26218.2 Selection and sizing of high voltage insulators for use in dirty conditions. Part 2. Porcelain and glass for AC systems Glass insulator GB/T 26218.3 Selection and sizing of high-voltage insulators for use in filthy conditions - Part 3. Composite systems for AC systems Margin JB/T 9683-2012 Insulator Product Modeling Method

3 Terms and Definitions

The following terms and definitions as defined in GB/T 2900.8-2009 and GB/T 4109-2008 apply to this document. 3.1 Dry sleeve dry-type bushing The main insulating core is resin-impregnated with a resin-made bushing made of a solid material such as insulating paper (or fiber roll) or cast (or molded) organic material. Note. The type of bushings such as glue-impregnated paper sleeves, rubber-impregnated fiber sleeves and cast or molded resin insulated sleeves defined in GB/T 4109-2008 are dry casing.

4 Sleeve structure type and size

4.1 General characteristics of casing 4.1.1 External insulation properties Outer casing insulation umbrella structure should comply with GB/T 26218.2 or GB/T 26218.3 regulations. Different site contamination levels

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