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GB/T 1094.15-2020: Power transformers - Part 15: Gas-filled power transformers
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Power transformers - Part 15: Gas-filled power transformers
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GB/T 1094.15-2020
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Basic data | Standard ID | GB/T 1094.15-2020 (GB/T1094.15-2020) | | Description (Translated English) | Power transformers - Part 15: Gas-filled power transformers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K41 | | Classification of International Standard | 29.180 | | Word Count Estimation | 25,212 | | Date of Issue | 2020-03-31 | | Date of Implementation | 2020-10-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 1094.15-2020: Power transformers - Part 15: Gas-filled power 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.
Power transformers - Part 15.Gas-filled power transformers
ICS 29.180
K41
National Standards of People's Republic of China
Power transformer
Part 15.Gas-filled power transformer
(IEC 60076-15.2015, MOD)
2020-03-31 released
2020-10-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Conditions of use 3
5 Ratings and general requirements 3
6 Requirements for a transformer with tap winding 7
7 Connection and connection group label 7
8 Nameplate 7
9 Safety, environmental and other requirements 9
10 Deviation 10
11 Experiment 10
12 Electromagnetic compatibility (EMC) 13
13 High-frequency operation transient 13
14 Ground terminal 14
15 Information needed for inquiries and orders 14
Appendix A (informative appendix) Instantaneous load---mathematical model 15
Appendix B (informative appendix) Technical requirements for inquiries and orders 17
Appendix C (informative appendix) meters, indicators and relays for gas-filled power transformers 20
Reference 21
Figure A.1 Temperature distribution model 15
Table 1 Classification and insulation system temperature 5
Table 2 Winding temperature rise limit 5
Table 3 Correction index of temperature rise test results 13
Table C.1 Comparison of meters, indicators and relays of gas-filled power transformers and oil-immersed power transformers 20
Foreword
GB/T 1094 "Power Transformer" is divided into the following parts.
---Part 1.General Provisions;
---Part 2.Temperature rise of liquid immersed transformer;
---Part 3.Insulation level, insulation test and external insulation air gap;
---Part 4.Lightning impulse and operational impulse test guidelines for power transformers and reactors;
---Part 5.Ability to withstand short circuits;
---Part 6.Reactor;
---Part 7.Load guidelines for oil-immersed power transformers;
---Part 10.Sound level determination;
---Part 10.1.Application Guidelines for Sound Level Measurement;
---Part 11.Dry-type transformers;
---Part 12.Dry-type power transformer load guidelines;
---Part 14.Design and application of liquid-immersed transformers using high-temperature insulating materials;
---Part 15.Gas-filled power transformer;
---Part 16.Transformers for wind power generation;
---Part 18.Frequency response measurement;
--- Part 23.DC bias suppression device.
This part is Part 15 of GB/T 1094.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part uses the redrafting method to modify and adopt IEC 60076-15.2015 "Power Transformer Part 15.Gas-filled Power Transformation
Maker".
The technical differences between this part and IEC 60076-15.2015 and the reasons are as follows.
---Regarding normative reference documents, this section has made adjustments with technical differences to adapt to my country's technical conditions and adjustments.
The situation is collectively reflected in Chapter 2 "Normative Reference Documents", and the specific adjustments are as follows.
● Replace IEC 60076-1.2011 with GB/T 1094.1-2013 which is modified to adopt international standards;
● Replace IEC 60076-2.2011 with GB/T 1094.2-2013 which is modified to adopt international standards;
● Replace IEC 60076-3 with GB/T 1094.3-2017 which is modified to adopt international standards;
● Replace IEC 60076-5 with GB/T 1094.5 which is modified to adopt international standards;
● Replace IEC 60076-10 with GB/T 1094.10 which is modified to adopt international standards;
● Replace IEC 60137 with GB/T 4109 which is modified to adopt international standards;
● Replace IEC 60480 with GB/T 8905 which is modified to adopt international standards;
● Replace IEC 62271-1 with GB/T 11022 which is modified to adopt international standards;
● Added reference to GB/T 12022 and GB/T 13499-2002;
● Removed the reference to IEC 60376;
--- In order to adapt to my country’s national conditions, in 5.10, “If capacitive bushing is used, dry bushing should be used, and on-load tap-changer should be
Adopt inflatable switch";
---In order to adapt to the national conditions of our country, the nameplate mark content of "product model" was added in 8.2; and the "use of the IEC 60076-15.2015
To determine the maximum system short-circuit apparent capacity or current of the transformer withstand short-circuit capacity (if not infinite)
The content is adjusted from 8.2 to 8.3;
---In order to adapt to my country's national conditions, in 11.1.1, the ambient temperature during the test was changed from "10 ℃~ 40 ℃" to "5 ℃~
40℃";
---In order to adapt to my country's national conditions, in 11.1.2.2."Insulating gas test" was added;
---In order to adapt to my country's national conditions, adjust the "winding to ground and DC insulation resistance measurement between windings" in 11.1.2.3 and 11.1.4 to
11.1.2.2.
This section also made the following editorial changes.
--- The last paragraph of Chapter 1 of IEC 60076-15.2015 is adjusted to the content of "Note 1" of this part, and IEC 60076-15.
The.2015 "Note" is adjusted to "Note 2";
---Adjust the content of the note in IEC 60076-15.20153.3 to 3.1 of this part;
---The title of 3.5 in IEC 60076-15.2015 was deleted, and 3.5.1, 3.5.2 and 3.5.3 were adjusted to 3.5, 3.6 and
3.7;
---Adjust the content of Note 2 in IEC 60076-15.20155.11.1 to the content of the main text;
---Adjust the article number 5.5 cited in item l) of IEC 60076-15.20158.2 to 6.5;
--- Deleted the text content of the penultimate paragraph in IEC 60076-15.201511.1.4;
---Adjust the content of the note in IEC 60076-15.201511.2 to the content of the main text;
--- Deleted the "vacuum pressure gauge" in the "Recommended Components for Gas-filled Power Transformers" in IEC 60076-15.2015 Table C.1;
---Adjust Appendix A and Appendix B in IEC 60076-15.2015 to Appendix B and Appendix A of this part;
---Adjusted references.
This part was proposed by China Electrical Equipment Industry Association.
This part is under the jurisdiction of the National Transformer Standardization Technical Committee (SAC/TC44).
Drafting organizations of this section. Shenyang Transformer Research Institute Co., Ltd., Changzhou Toshiba Transformer Co., Ltd., Baoding Baoling Transformer
Co., Ltd., China Electric Power Research Institute Co., Ltd., Jiangsu Huapeng Transformer Co., Ltd., TBEA Shenyang Transformer Group Co., Ltd.,
TBEA Hengyang Transformer Co., Ltd., Shandong Power Transmission Equipment Co., Ltd., Guangdong Keyuan Electric Co., Ltd., Guangdong Zhongpeng Electric Co., Ltd.
The company, Zhejiang Jiangshan Transformer Co., Ltd., Guangdong Olein Power Technology Co., Ltd.
The main drafters of this section. Zhang Xianzhong, Liu Jie, Gu Hua, Bian Qingkai, Ren Xiaohong, Zhuang Jie, Xu Sihua, Wang Libin, Tan Chong, Liang Dong, Han Baojia,
Jiang Zhenjun, Wang Wenguang, Wang Jian.
Power transformer
Part 15.Gas-filled power transformer
1 Scope
This part of GB/T 1094 specifies the terms and definitions, operating conditions, rated values and general requirements of gas-filled power transformers.
Requirements for a transformer with tapped windings, connection and connection group label, nameplate, safety, environmental and other requirements, deviations, tests, electromagnetic compatibility
(EMC), high-frequency operation transient, grounding terminal, and information needed for inquiries and orders.
This section applies to three-phase and single-phase gas-filled power transformers (including autotransformers), but does not include certain small and special transformers
Device, such as.
---Single-phase transformer with rated capacity less than 1kVA and three-phase transformer with 5kVA;
--- Transformers whose winding rated voltage is not higher than 1000V;
--- Transformer;
---Electric locomotive traction transformer;
---Starting transformer;
---Test transformer;
--- Welding transformer.
When certain types of transformers (especially special industrial transformers whose winding voltage is not higher than 1000V) do not have corresponding standards
On time, this section can be applied in whole or in part. This section does not involve the requirements for transformer installation in public places. For relevant standards
For transformers and reactors, this section is only applicable to the scope of content that is explicitly mentioned in the product standard. These products (standard)
include.
---Reactor (GB/T 1094.6);
---Self-protection transformer (IEC 60076-13);
--- Transformers for wind power generation (GB/T 1094.16);
---Traction transformer and traction reactor (GB/T 25120);
---Industrial converter transformer (GB/T 18494.1);
---Converter transformer for HVDC (GB/T 18494.2).
Note 1.There are several provisions or recommendations in this section that involve some alternatives, additional technical solutions or procedures that need to be reached. Such agreements should be controlled by
Reached by the manufacturer and the user. Issues should be raised early, and agreements should be included in technical specifications.
Note 2.This section also applies to the gas part of the transformer that uses insulating gas and insulating liquid at the same time.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 1094.1-2013 Power Transformer Part 1.General (IEC 60076-1.2011, MOD)
GB/T 1094.2-2013 Power transformer Part 2.Temperature rise of liquid immersed transformer (IEC 60076-2.2011, MOD)
GB/T 1094.3-2017 Power Transformer Part 3.Insulation Level, Insulation Test and External Insulation Air Gap (IEC 60076-
3.2013, MOD)
GB/T 1094.5 Power Transformer Part 5.Ability to withstand short circuit (GB/T 1094.5-2008, IEC 60076-5.
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