GB/T 7674-2020 Active National standards

GB/T 7674-2020 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above

GB/T 7674-2020 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above

Publish Date: 2020-11-19 Implement Date: 2021-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7674-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: High-voltage switchgear
ICS Name: High-voltage switchgear and controllers
Publish Date: 2020-11-19
Implement Date: 2021-06-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国高压开关设备标准化技术委员会(SAC/TC 65)
Pages: 73 pages

Scope

本标准规定了气体绝缘金属封闭开关设备的术语和定义、正常和特殊使用条件、额定值、设计与结构、型式试验、出厂试验及选用导则等的相关要求。
本标准适用于额定电压72.5 kV及以上、额定频率50 Hz的户内和户外安装的气体绝缘金属封闭开关设备(以下简称“GIS”或“开关设备”),其绝缘的获得至少部分通过绝缘气体而不是处于大气压力下的空气。
本标准涵盖的气体绝缘金属封闭开关设备由可直接连接在一起的独立元件构成,且这些元件只能按这种方式运行。
根据需要,本标准对适用于构成GIS的各个独立元件的相关标准进行了完善和补充。

Development Information

Drafting Units:

西安高压电器研究院有限责任公司、中国电力科学研究院有限公司、国网陕西省电力公司电力科学研究院、上海西电高压开关有限公司、西安西电开关电气有限公司、新东北电气集团高压开关有限公司、平高集团有限公司、广东电网有限责任公司东莞供电局、辽宁高压电器产品质量检测有限公司、厦门华电开关有限公司、ABB(中国)有限公司、厦门ABB高压开关有限公司、西安西电高压开关有限责任公司、川开电气有限公司、山东泰开高压开关有限公司、北京北开电气股份有限公司、特变电工中发上海高压开关有限公司、特变电工沈阳电气技术研究院有限公司、浙江八达电子仪表有限公司时通电气分公司、上海思源高压开关有限公司、益和电气集团股份有限公司、云南云开电气股份有限公司、华仪电气股份有限公司、浙江开关厂有限公司、河南森源电气股份有限公司、海宁开关厂有限公司、日升集团有限公司

Drafting Persons:

张晋波、吴鸿雁、田恩文、张子骁、元复兴、张文兵、崔博源、杨韧、侯平印、赵伯楠、赵羲英、冯武俊、张实、邢娜、李刚、李强、郝宇亮、谢瑞涛、游一民、王传川、阎关星、周华、王向克、吴文海、张勐、孟迪、杨英杰、吴经锋、菅永峰、丁彬、杨博、张伟平、李智博、李振军、李建华、南振乐、路全峰、刘罗鹏、李宝宝、杨伟卫、马力、尹弘彦、张文波、孙荣春、王福安、张姝、石鹏斌、叶树新、龚绍成、汪建成、孔祥冲、田晓越、潘世岩、苏伟民、陈伯荣、周庆清、袁志兵、张朋举、吕正华、刘洋、樊建荣、林爱民、欧林龙

Word Count: 138 Thousand words Pages: 73 pages

Replace the following standards

Referenced Standards

GB/T 1985-2014 High-voltage alternating-current disconnectors and earthing switches GB/T 2423.17-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ka:Salt mist GB/T 4109-2008 Insulated bushings for alternating voltages above 1 000 V GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards GB/T 22381-2017 Cable connections between gas-insulated metal-enclosed switchgear for rated voltages equal to and above 72.5 kV and fluid-filled and extruded insulation power cables—Fluid-filled and dry type cable-terminations GB/T 22382-2017 Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above GB/T 26218.1-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 1:Definitions,information and general principles GB/T 26218.2-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 2:Ceramic and glass insulators for a.c.systems GB/T 26218.3-2011 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 3:Composite insulators for a.c.systems GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.2-2010 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests GB/T 3785.2-2023 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests GB/T 7354-2003 Partial discharge measurements GB/T 7354-2018 High-voltage test techniques—Partial discharge measurements GB/T 8905-1996 The guide for processing and measuring SF6 gas in power apparatus GB/T 8905-2012 The guide for management and measuring SF6 gas in electrical equipment GB/T 9326.1-2008 Oil-filled,paper or polypropylene paper laminate insulated,metal-sheathed cables and accessories for alternating voltages up to and including 500 kV—Part 1:Test GB/T 9326.2-2008 Oil-filled,paper or polypropylene paper laminate insulated,metal-sheathed cables and accessories for alternating voltages up to and including 500 kV—Part 2:Oil-filled paper insulated,lead-sheathed cables for alternating voltages up to and including 500 kV GB/T 9326.3-2008 Oil-filled,paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and including 500 kV—Part 3:Sealing end GB/T 9326.4-2008 Oil-filled,paper or polypropylene paper laminate insulated,metal-sheathed cables and accessories for alternating voltages up to and including 500 kV—Part 4:Joint GB/T 9326.5-2008 Oil-filled,paper or polypropylene paper laminate insulated,metal-sheathed cables and accessories for alternating voltages up to and including 500 kV—Part 5:Pressure tanks GB/T 9789-1988 Metallic and other non-organic coatings—Sulfur dioxide test with general condensation of moisture GB/T 9789-2008 Metallic and other non-organic coatings—Sulfur dioxide test with general condensation of moisture GB/T 11017.1-2002 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110kV—Part 1:Test methods and requirements GB/T 11017.1-2014 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110 kV(Um=126 kV)—Part 1:Test methods and requirements GB/T 11017.1-2024 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV(Um=72.5 kV)and 110 kV(Um=126 kV)—Part 1:Test methods and requirements GB/T 11023-2018 Test method of SF6 gas tightness for high-voltage switchgear GB 12022-1989 Sulphur hexafluoride for industrial use GB/T 12022-2006 Sulphur hexafluoride for industrial use GB/T 12022-2014 Industrial sulfur hexafluoride GB/T 13540-1992 Anti-seismic characteristic test for high-voltage switchgear GB/T 13540-2009 Seismic qualification for high-voltage switchgear and controlgear GB/T 16927.1-1997 High-voltage test techniques Part 1:General test requirements GB/T 16927.1-2011 High-voltage test techniques—Part 1:General definitions and test requirements GB/T 21429-2008 Composite insulators-Hollow insulators for use in outdoor and indoor electrical equipment—Definitions,test methods,acceptance criteria and design recommendations GB/T 22078.1-2008 Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV)—Part1:Power cable systems-cables with cross-linked polyethylene insulation and their accessories for rated voltage of 500 kV(Um=550 kV)—Test methods and requirements GB/T 23752-2009 Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000V GB/T 28537-2012 Use and handling of sulphur hexafluoride (SF6) in high-voltage switchgear and controlgear GB/T 28819-2012 Aluminium alloy enclosures for gas-filled high-voltage switchgear GB/T 28819-2023 Aluminium alloy enclosures for gas-filled high-voltage switchgear GB/T 12022-2025 Industrial sulphur hexafluoride

Adopt standards

IEC 62271-203:2011

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