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GB/T 5169.24-2018 English PDF

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GB/T 5169.24-2018: Fire hazard testing for electric and electronic products -- Part 24: Guidance for assessing the fire hazard -- Insulating liquids
Status: Valid

GB/T 5169.24: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 5169.24-2018519 Add to Cart 3 days Fire hazard testing for electric and electronic products -- Part 24: Guidance for assessing the fire hazard -- Insulating liquids Valid
GB/T 5169.24-2008919 Add to Cart 4 days Fire hazard testing for electric and electronic products -- Part 24: Guidance for assessing the fire hazard -- Insulating liquids Obsolete

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Basic data

Standard ID: GB/T 5169.24-2018 (GB/T5169.24-2018)
Description (Translated English): Fire hazard testing for electric and electronic products -- Part 24: Guidance for assessing the fire hazard -- Insulating liquids
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K04
Classification of International Standard: 13.220.40; 29.020
Word Count Estimation: 26,263
Date of Issue: 2018-09-17
Date of Implementation: 2019-04-01
Older Standard (superseded by this standard): GB/T 5169.24-2008
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 5169.24-2018: Fire hazard testing for electric and electronic products -- Part 24: Guidance for assessing the fire hazard -- Insulating liquids


---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.
Fire hazard testing for electric and electronic products - Part 24. Guidance for assessing the fire hazard - Insulating liquids ICS 13.220.40; 29.020 K04 National Standards of People's Republic of China Replace GB/T 5169.24-2008 Electrical and electronic products - Fire hazard testing - Part 24. Fire hazard assessment guide insulation liquid Firehazardtestingforelectricandelectronicproducts-Part 24. (IEC 60695-1-40.2013, Firehazardtesting-Part 1-40. Guidance forassessing Published on.2018-09-17 Implementation of.2019-04-01 State market supervision and administration China National Standardization Administration issued

Content

Foreword I Introduction III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 insulating liquid classification 6 5 Type 6 of electrical equipment containing insulating liquids 6 Fire parameters 7 6.1 Summary 7 6.2 Lightning 7 7 Fire 7 7.1 Summary 7 7.2 Cause of fire 7 7.3 Victim Fire 9 8 Fire protection measures 9 9 Factors to consider when choosing a test method 10 9.1 Overview 10 9.2 Type test 10 9.3 Sampling test 10 9.4 Arc Resistance Test 10 9.5 Correlation between test results and fire 10 Appendix A (Informative) History of Insulating Liquids 11 Appendix B (informative) Fire prevention and protection measures 12 Appendix C (informative) Transformer 14 Appendix D (informative) Power capacitors 15 Appendix E (informative) Cable 16 Appendix F (informative) Casing 18 Appendix G (informative) Switchgear 19 Reference 20

Foreword

GB/T 5169 "Electrical and Electronic Products Fire Hazard Test" is divided into the following parts. --- Part 1. Terminology for ignition test; --- Part 2. General guidelines for the assessment of fire hazard; ---Part 5. Test flame test method, test method and guide; --- Part 9. General rules for pre-selection test procedures for fire hazard assessment guidelines; --- Part 10. Glow wire/hot wire basic test method Glow wire device and general test method; --- Part 11. Glow wire/hot wire basic test method Glow wire flammability test method (GWEPT); --- Part 12. Glow wire/hot wire basic test method Glow wire flammability index (GWFI) test method; --- Part 13. Glow wire/hot wire basic test method Glow wire light-off temperature (GWIT) test method for materials; ---Part 14. Test flame 1kW nominal premixed flame device, validation test method and guidelines; ---Part 15. Test flame 500W flame device and confirmation test method; --- Part 16. Test flame 50W horizontal and vertical flame test method; ---Part 17. Test flame 500W flame test method; ---Part 18. General principles of toxicity of combustion streams; ---Part 19. Unnormal thermal compression stress release deformation test; --- Part 20. Summary and correlation of test methods for flame surface spread; --- Part 21. abnormal heat ball pressure test; --- Part 22. Test flame 50W flame device and confirmation test method; --- Part 23. Test flame tube-shaped polymeric material 500W vertical flame test method; --- Part 24. Fire hazard assessment guidelines for insulating liquids; --- Part 25. General rules for smoke blur; --- Part 26. Summary and correlation of smoke fuzzing test methods; ---Part 29. General rules for heat release; --- Part 30. Summary and correlation of heat release test methods; --- Part 31. General rules for the spread of flame surfaces; --- Part 32. Heat release of heat release insulating liquids; --- Part 33. Fire hazard assessment guidelines for general ignitability; --- Part 34. Fire hazard assessment guidelines Summary and correlation of ignitability test methods; --- Part 35. General rules for corrosion hazards of combustion streams; --- Part 36. Summary and correlation of test methods for corrosion hazards of combustion flows; --- Part 38. Summary and correlation of toxicity test methods for combustion streams; --- Part 39. Use and description of the toxicity test results of the combustion stream; --- Part 40. Toxic toxicological assessment devices and test methods for combustion streams; --- Part 41. Calculation and description of test results for toxic toxicity assessment of combustion streams; --- Part 42. Test flame confirmation test guidelines; --- Part 44. Fire hazard assessment guidelines for fire hazard assessment. This part is part 24 of GB/T 5169. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 5169.24-2008 "Electrical and electronic products - Fire hazard testing - Part 24. Guidelines for fire hazard assessment Insulating liquids, the main technical changes compared with GB/T 5169.24-2008 are as follows. --- Added specific terms and definitions (see Chapter 3, Chapter 3 of the.2008 edition); --- Updated the reference standard for the classification of insulating liquids (see Chapter 4, Chapter 4 of the.2008 edition); --- Adjusted the arrangement of the chapter "Fire Parameters" (see Chapter 6, Chapter 6 of the.2008 edition); --- Added an introduction to "cause fire" and "victim fire" (see Chapter 7, Chapter 7 of the.2008 edition). This section uses the translation method equivalent to IEC 60695-1-40.2013 "Fire hazard test Part 1-40. Electrical products fire hazard Evaluation Guidelines for Insulating Liquids. The documents of our country that have a consistent correspondence with the international documents referenced in this part are as follows. ---GB 2536-2011 Unused mineral insulating oil for electrical fluid transformers and switches (IEC 60296.2003, MOD) --- GB/T 3536-2008 Determination of flash point and ignition point of petroleum products Cleveland open cup method (ISO 2592.2000, MOD) GB/T 5169.2-2013 Fire hazard testing for electric and electronic products - Part 2. General guide to fire hazard assessment (IEC 60695-1-10..2009, IDT) --- GB/T 5169.26-2018 Electrical and electronic products - Fire hazard testing - Part 26 Relevance (IEC /T S60695-6-2.2011, IDT) --- GB/T 5169.30-2008 Electrical and electronic products - Fire hazard testing - Part 30. Summary of heat release test methods and Relevance (IEC /T R60695-8-2.2008, IDT) --- GB /Z 5169.32-2013 Electrical and electronic products - Fire hazard testing - Part 32. Heat release of heat release insulating liquids (IEC /T S60695-8-3.2008, IDT) --- GB/T 5169.36-2015 Electrical and electronic products - Fire hazard testing - Part 36. Corrosion hazard test Method summary and correlation (IEC /T S60695-5-2.2002, IDT) GB/T 5169.38-2014 Electrical and electronic products - Fire hazard testing - Part 38. Methods Summary and relevance (IEC 60695-7-2.2011, IDT) --- GB/T 5169.44-2013 Electrical and electronic products - Fire hazard testing - Part 44. Fire hazard assessment guide Risk assessment (IEC 60695-1-11.2010, IDT) ---GB/T 14402-2007 Determination of the burning calorific value of combustion properties of building materials and products (ISO 1716.2002, IDT) ---GB/T 27750-2011 Classification of insulating liquids (IEC 61039.2008, IDT) This section also made the following editorial changes. --- In line with the existing standard series, the name of this part was changed to "Electrical and Electronic Products Fire Hazard Test Part 24. Fire hazard Risk Assessment Guidelines for Insulating Liquids. This part was proposed by China Electrical Equipment Industry Association. This part is under the jurisdiction of the National Standardization Technical Committee for Fire and Hazard Testing of Electrical and Electronic Products (SAC/TC300). This section is responsible for drafting unit. China Electric Apparatus Research Institute Co., Ltd. Participated in the drafting of this section. Guangdong Shengyi Technology Co., Ltd., Guangdong Entry-Exit Inspection and Quarantine Bureau Inspection and Quarantine Technology Center, Wei Kay Testing Technology Co., Ltd., Zhejiang Yuehua Telecommunications Co., Ltd., Dongguan Entry-Exit Inspection and Quarantine Bureau Inspection and Quarantine Comprehensive Technology Center, Shenzhen Institute of Metrology and Quality Inspection, Ministry of Industry and Information Technology, Fifth Institute of Electronics, Beijing Tairuite Testing Technology Service Co., Ltd., Wuxi Sunan Test Equipment Co., Ltd., Shandong Province Product Quality Inspection Institute. The main drafters of this section. Jie Ganxin, Guan Jian, Wu Zheng, Liu Yan, Wu Qian, Wang Chaosheng, Zheng Shaofeng, Wang Tong, Zhang Yuanqin, Gao Lingsong, Zhou Xuedong, Ni Yunnan, Chen Dawei. The previous versions of the standards replaced by this section are. ---GB/T 5169.24-2008.

Introduction

All electrical and electronic products must be designed with fire risk and potential fire hazard in mind. Design of components, circuits and products, and The purpose of the screening of materials is to reduce the potential risk of ignition to an acceptable level in the case of reasonably foreseeable abnormal use, failure or failure. Level. For more than 100 years, mineral oil insulating liquids have been used for insulation and cooling of transformers and other types of electrical equipment. Synthetic insulating liquids have been developed and used over the past 70 years, and their performance is especially suitable for special electrical applications. However, due to technology and For reasons of economy, high-refined mineral oil continues to be widely used as a insulating liquid in transformers and is its main use. Regional, national and international law The specification includes its secure installation. For mineral oils and synthetic liquids, the fire safety record for electrical and electronic products containing insulating liquids is good. In recent years Improvements in fire protection design and measures have reduced the risk of fire in electrical equipment containing mineral oil. However, for all electricians In the case of equipment, the aim is to reduce the possibility of fire even in the event of foreseeable abnormal use. The actual goal is to prevent light-off. If a light-off occurs, it is best to control the fire inside the enclosure of the electrical equipment. Electrical and electronic products - Fire hazard testing - Part 24. Fire hazard assessment guide insulation liquid

1 Scope

This part of GB/T 5169 gives guidelines for minimizing the risk of ignition from electrically insulating liquids. Used to. a) electrical equipment and systems; b) People, buildings and their items. This section is intended for the product standard committee to prepare standards in accordance with the principles set out in IEC Guide 104.2010 and ISO /IEC Guide 51.1999. quasi. Not applicable to manufacturers or certification bodies. One of the tasks of the Product Standards Committee is to use this section where applicable when writing standards.

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 5169.1-2015 Fire hazard testing for electric and electronic products - Part 1 . Terms for ignition test (IEC 60695-4.2012, IDT) ISO 1716 product fire test reaction determination of total heat (heat generation) [Reactiontofiretestsforprod- ucts-Determinationofthegrossheatofcombustion(calorificvalue)] ISO 2592 Flash Point and Burning Point Method Cleveland Open Cup Method (Determinationofflashandfirepoints- Clevelandopencupmethod) ISO 13943.2008 Fire Safety Typo (Firesafety-Vocabulary) IEC 60050 International Electrotechnical Vocabulary IEC 60296 Unused mineral insulating oil for liquid transformers and switchgear for electrical applications (Fluidsforelectrotech- nicalapplications-Unusedmineralinsulatingoilsfortransformersandswitchgear) Specification for unused mineral insulating oils for IEC 60465 oil-filled cables (Specification forunusedinsulating Mineraloilsforcableswithoilducts) IEC 60695-1-10 Fire hazard testing - Part 1-10. General rules for the assessment of ignition hazard of electric products (Firehazardtes- ting-Part 1-10.Guidanceforassessingthefirehazardofelectrotechnicalproducts-Generalguide- Lines) Fire hazard testing - Part 1-11. Fire hazard assessment guidelines for electrical products - Fire hazard assessment (Fire hazardtesting-Part 1-11.Guidanceforassessingthefirehazardofelectrotechnicalproducts-Fire Hazardassessment) IEC /T S60695-5-2 Fire hazard testing - Part 5-2. Summary and correlation of test methods for corrosion hazards of combustion (Firehazardtesting-Part 5-2. Corrosiondamageeffectsoffireeffluent-Summaryandrelevanceof Testmethods) IEC 60695-6-2 Fire hazard testing - Part 6-2. Overview and correlation of smoke-blending test methods (Firehazardtes- ting-Part 6-2. Smokeobscuration-Summaryandrelevanceoftestmethods) IEC 60695-7-2 Fire hazard test - Part 7-2. Summary and correlation of toxicity test methods for combustion flow (Firehazard testing-Part 7-2. Toxicityoffireeffluent-Summaryandrelevanceoftestmethods) IEC 60695-8-2 Fire hazard testing - Part 8-2. Summary and correlation of heat release test methods (Firehazardtes- ting-Part 8-2.Heatrelease-Summaryandrelevanceoftestmethods) IEC /T S60695-8-3 Fire hazard testing - Part 8-3. Thermal release of insulating liquids in heat release electrical products (Fire hazardtesting-Part 8-3.Heatrelease-Heatreleaseofinsulatingliquidsusedinelectrotechnical Products) IEC 60944 Transformer Silicone Maintenance Guide (Guideforthemaintenanceofsiliconetransformerliquids) IEC 61039 Classification of insulating fluids (Classificationofinsulatingliquids) IEC 61203 Maintenance Guide for Transformers Esters in Synthetic Organic Ester Equipment for Electrical Purposes (Syntheticorganicestersforelec- tricalpurposes-Guideformaintenanceoftransformerestersinequipment)

3 Terms and definitions

The following terms and definitions defined in ISO 13943.2008 and GB/T 5169.1-2015 apply to this document. In order to facilitate Some of the terms and definitions in ISO 13943.2008 and GB/T 5169.1-2015 are repeated below. 3.1 Arc arc When a current passes through a medium that is usually insulative (such as air), a gas breakdown phenomenon occurs in which the plasma continues to discharge. 3.2 Accident oil pool bund An exterior wall or sink designed to maintain the internal container capacity during oil spills or spills. Note. The design of the accident oil sump should be used to collect the spilled liquid well. 3.3 Bushing An insulated tube having an opening through which the conductor passes. 3.4 Combustion combustion An exothermic reaction of a substance with an oxidant. Note. Combustion usually emits a stream of combustion accompanied by flames and/or heat. [ISO 13943.2008, definition 4.46] 3.5 Corrosion damage corrosiondamage Physical and/or chemical damage or impaired function due to chemical action. [ISO 13943.2008, definition 4.56] 3.6 Shell enclosure < Electrical and Electronic Engineering> Covers for electrical and mechanical parts of protective equipment. Note. Except for cables. [GB/T 5169.1-2015, definition 3.2.6] 3.7 Fire fire (usually) a combustion process characterized by exhaust heat and combustion streams, often accompanied by smoke and/or flame and/or heat. Note. In English, “fire” is used to denote three concepts, among which “fire” and “fire” are two different types of self-supporting combustion. Types, which are two different terms in French and German. [ISO 13943.2008, definition 4.96] 3.8 Combustion flow fireeffluent All gases and aerosols produced by combustion or pyrolysis, including suspended particles, in the event of a fire. [ISO 13943.2008, definition 4.105] 3.9 The development of fire firegrowth The rate of heat release and the increase in temperature are at the stage of ignition development. [ISO 13943.2008, definition 4.111] 3.10 Fire danger firehazard An undesired potential substance or condition caused by a fire. [ISO 13943.2008, definition 4.112] 3.11 Fire energy fireload All combustibles in a given space (including all interface decorations) completely burn the heat released. Note 1. The ignition energy can be divided according to requirements. effective combustion heat, total heat of combustion or net heat of combustion. Note 2. In English, “load” can be used to indicate power or power or energy. This refers to energy. Note 3. Its representative unit is kilojoule (kJ) or megajoule (MJ). [ISO 13943.2008, definition 4.114] 3.12 Rand firepoint Under specified conditions, a standard small flame is applied to the surface of the material, causing it to ignite and continue to burn for the minimum temperature required for a certain period of time. Note 1. In some countries, English “firepoint” contains another meaning. a place with fire-fighting equipment, which can also be equipped with fire alarm equipment and Precautions for precautions. Note 2. The representative unit is Celsius (°C). [ISO 13943.2008, definition 4.119] 3.13 Fire risk firerisk The possibility of quantifying the measurement with the consequences of the fire. Note. It is usually evaluated by the product of the probability of occurrence of fire and the consequences of fire. [ISO 13943.2008, definition 4.124] 3.14 Fire firescenario By identifying the key things in the characteristics of the fire used in the study and its differences with other possible fires, A qualitative description of the process of time. Note. It representatively defines the development process of light-off and fire, the complete ignition phase, the phase of the fire recession, and the environment and system that affect the fire process. [ISO 13943.2008, definition 4.129] 3.15 Flame (noun) flame(noun) In a gaseous medium, a burning zone that is rapidly, spontaneously sustained, and subsonic is often accompanied by luminescence. [Changed from ISO 13943.2008, definition 4.133, added the word "region"] 3.16 Flame flammability The material or product is associated with the ability to burn flames under specified conditions. [ISO 13943.2008, definition 4.151] 3.17 Flash point flashpoint Under the specified conditions, the lowest temperature of the heat required for the material or product to be heated by the fire. Note. The representative unit is Celsius (°C). [ISO 13943.2008, definition 4.154] 3.18 Total heat of combustion grossheatofcombustion Under the specified conditions, the heat of combustion when the substance is completely burned and the generated water is completely condensed. Note. The representative unit is kilojoule per gram (kJ·g-1). [ISO 13943.2008, definition 4.170] 3.19 Burning heat heatofcombustion The heat energy produced when a given mass of material is burned. Note. The representative unit is kilojoule per gram (kJ·g-1). [ISO 13943.2008, definition 4.174] 3.20 Vaporization heat The heat energy required to convert a unit mass of material from a solidified phase to a gas phase at a given temperature. Note. The representative unit is kilojoule per gram (kJ·g-1). [ISO 13943.2008, definition 4.175] 3.21 Heat release heat release The heat energy produced by the combustion. Note. The representative unit is coke (J). [ISO 13943.2008, definition 4.176] 3.22 Heat release rate heatreleaserate Burning rate (not recommended) Rate of burning (not recommended) The rate at which combustion produces thermal energy. ......
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