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Position: Chinese Standard in English/GB/T 1094.7-2008
GB/T 1094.7-2008   Power transformers - Part 7: Loading guide for oil-immersed power transformers (English Version)
Standard No.: GB/T 1094.7-2008 Status:to be abolished remind me the status change

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Language:English File Format:PDF
Word Count: 10000 words Price(USD):250.0 remind me the price change

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Implemented on:2009-8-1 Delivery: via email in 1 business day
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Standard No.: GB/T 1094.7-2008
English Name: Power transformers - Part 7: Loading guide for oil-immersed power transformers
Chinese Name: 电力变压器 第7部分:油浸式电力变压器负载导则
Chinese Classification: K41    Transformer
Professional Classification: GB    National Standard
Issued by: AQSIQ; SAC
Issued on: 2008-09-24
Implemented on: 2009-8-1
Status: to be abolished
Superseded by:GB/T 1094.7-2024 Power transformers—Part 7: Loading guide for mineral-oil-immersed power transformers
Superseded on:2025-6-1
Abolished on:2025-06-01
Superseding:GB/T 15164-1994 Loading guide for oil-immersed power transformers
Language: English
File Format: PDF
Word Count: 10000 words
Price(USD): 250.0
Delivery: via email in 1 business day
This part of GB 1094 is applicable to oil-immersed transformers. It describes the effect of operation under various ambient temperatures and loading conditions on transformer life. Note: for furnace transformers, the manufacturer shall be consulted in view of the special loading curve.
Foreword I Introduction III 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols and Abbreviations 5 Effect of Loading Beyond Nameplate Rating 6 Relative Ageing Rate and Transformer Insulation Life 7 Limitations 8 Determination of Temperatures 9 Influence of Tap Changers Appendix A (Informative) Non-thermally and Thermally Upgraded Insulation Paper Appendix B (Informative) Example of Calculating and Presenting Overloading Data Appendix C (Informative) Practical Example of the Exponential Formulas Appendix D (Informative) Calculation of Winding and Oil Time Constant Appendix E (Informative) Illustration of the Differential Equation Solution Method Appendix F (Informative) Flowchart, Based on the Example in Appendix B References
Referred in GB/T 1094.7-2008:
* GB 1094.1-1996 Power transformers - Part 1: General
* GB 1094.2-1996 Power transformers - Part 2: Temperature rise
* GB 1094.5-2008 Power transformers - Part 5: Ability to withstand short circuit
GB/T 1094.7-2008 is referred in:
* GB 50660-2011 Code for Designing large and Middle Fossil Fuel Power Plant
* GB 50660-2011 Code for Designing large and Middle Fossil Fuel Power Plant
* GB 17467-2010 High-voltage/low-voltage prefabricated substation
* GB/T 17468-2008 The Guide for Choice Power Transformers
* GB/T 25446-2010 Specification and technical requirements for oil-immersed amorphous alloy core distribution transformers
* DL/T 572-2010 Operation specification for power transformer
*GB/T 10230.1-2019 Tap-changers—Part 1:Performance requirements and test methods
*GB/T 6451-2015 Specification and technical requirements for oil-immersd power transformers
*GB/T 1094.1-2013/XG1-2018 Power transformers―Part 1:General, including Amendment 1
Code of China
Standard
GB/T 1094.7-2008  Power transformers - Part 7: Loading guide for oil-immersed power transformers (English Version)
Standard No.GB/T 1094.7-2008
Statusto be abolished
LanguageEnglish
File FormatPDF
Word Count10000 words
Price(USD)250.0
Implemented on2009-8-1
Deliveryvia email in 1 business day
Detail of GB/T 1094.7-2008
Standard No.
GB/T 1094.7-2008
English Name
Power transformers - Part 7: Loading guide for oil-immersed power transformers
Chinese Name
电力变压器 第7部分:油浸式电力变压器负载导则
Chinese Classification
K41
Professional Classification
GB
ICS Classification
Issued by
AQSIQ; SAC
Issued on
2008-09-24
Implemented on
2009-8-1
Status
to be abolished
Superseded by
GB/T 1094.7-2024 Power transformers—Part 7: Loading guide for mineral-oil-immersed power transformers
Superseded on
2025-6-1
Abolished on
2025-06-01
Superseding
GB/T 15164-1994 Loading guide for oil-immersed power transformers
Language
English
File Format
PDF
Word Count
10000 words
Price(USD)
250.0
Keywords
GB/T 1094.7-2008, GB 1094.7-2008, GBT 1094.7-2008, GB/T1094.7-2008, GB/T 1094.7, GB/T1094.7, GB1094.7-2008, GB 1094.7, GB1094.7, GBT1094.7-2008, GBT 1094.7, GBT1094.7
Introduction of GB/T 1094.7-2008
This part of GB 1094 is applicable to oil-immersed transformers. It describes the effect of operation under various ambient temperatures and loading conditions on transformer life. Note: for furnace transformers, the manufacturer shall be consulted in view of the special loading curve.
Contents of GB/T 1094.7-2008
Foreword I Introduction III 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols and Abbreviations 5 Effect of Loading Beyond Nameplate Rating 6 Relative Ageing Rate and Transformer Insulation Life 7 Limitations 8 Determination of Temperatures 9 Influence of Tap Changers Appendix A (Informative) Non-thermally and Thermally Upgraded Insulation Paper Appendix B (Informative) Example of Calculating and Presenting Overloading Data Appendix C (Informative) Practical Example of the Exponential Formulas Appendix D (Informative) Calculation of Winding and Oil Time Constant Appendix E (Informative) Illustration of the Differential Equation Solution Method Appendix F (Informative) Flowchart, Based on the Example in Appendix B References
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