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现行 EN IEC 62271-211:2024
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High-voltage switchgear and controlgear - Part 211: Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV 高压开关设备和控制设备.第211部分:额定电压52kV以上的电力变压器和气体绝缘金属封闭开关设备之间的直接连接
发布日期: 2024-11-01
实施日期: 2024-11-01
IEC 62271-211:2024适用于额定电压高于52 kV的气体绝缘金属封闭开关设备(GIS)和变压器布置之间的单相和三相直接连接,以建立电气和机械互换能力,并确定变压器连接的供电限制。第二版取消并取代了IEC 62271-211:2014的第一版。本版本为技术修订版。 与上一版相比,本版包括以下重大技术更改: a) 根据IEC 62271-1:2017重新编号条款, b) 第3条:更新了套管(3.1)的定义,更新了一些压力定义(3.6、3.7、3.8、3.9),改写了普氏密度(3.11)的定义、新术语非常快的前沿过电压(3.12), c) 第5条(原第4条):根据IEC 62271-1:2017和IEC 62271-203:2022,增加第5.1款“总则”, 1) 第5.5款:新增第一段,改写第二段, 2) 第5.8款:修改“额定热短路持续时间”一词- 套管的“时间电流”, d) 第6条(原第5条):子条款的重组和重新措辞: 1) 6.1(原5.3):变压器套管气密性和真空密封性要求 2) 6.3(原5.2):与IEC 62271-203:2022关于SF6、其他气体和气体混合物在使用中的典型最大压力的协调, 3) 6.4(原5.8),重新措辞 4) 6.5(原5.1),部分改写和修改 5) 6.6(原5.4),一些重新措辞,更新了参考文献 6) 6.7(原5。 5) ,有些改写 7) 6.8(原5.6),部分改写 8) 6.9(原5.7),稍作改写, e) 第7条(原第6条)型式试验:对参考文献进行了一些改写和澄清, f) 第8条(原第7条)常规试验: 1) 8.2(原7.2):增加一段关于SF6混合物和SF6以外的其他气体的内容, 2) 8.3(原7.3):根据IEC 62271‑203:2022更新相关现场测试的参考, g) 第9条开关设备和控制设备选择指南(新):参考IEC 62271- 203:2022, h) 第11条(原第10条):根据IEC 62271‑1:2017更新了标题和参考文献, i) 新增第12条安全和第13条环境方面:增加了对安全和环境方面的引用, j) IEC 62271-211:2017勘误表2中的错误更正, k) 修改了图1至图4的方向,以便更容易阅读表格。
IEC 62271-211:2024 is applicable to single- and three-phase direct connections between gas-insulated metal-enclosed switchgear (GIS) for rated voltages above 52 kV and transformer arrangements to establish electrical and mechanical interchange ability and to determine the limits of supply for the transformer connection. This second edition cancels and replaces the first edition of IEC 62271-211:2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) re-numbering of clauses according to IEC 62271-1:2017, b) Clause 3: updating definition about bushing (3.1), updating some pressure definitions (3.6, 3.7, 3.8, 3.9), rewording definition about proctor density (3.11), new term very-fast-front overvoltage (3.12), c) Clause 5 (former clause 4): add a subclause 5.1 General, according to IEC 62271-1:2017 and IEC 62271-203:2022, 1) subclause 5.5: new first paragraph, rewording second paragraph, 2) subclause 5.8: modify the term "Rated duration of thermal short-time current" of the bushing, d) Clause 6 (former Clause 5): restructure and rewording of subclauses: 1) 6.1 (former 5.3): requirements about gas and vacuum tightness of the transformer bushing 2) 6.3 (former 5.2): harmonization with IEC 62271-203:2022 about typical maximum pressure in service for SF6, other gases and gas mixtures, 3) 6.4 (former 5.8), rewording 4) 6.5 (former 5.1), some rewording and modification 5) 6.6 (former 5.4), some rewording, updated references 6) 6.7 (former 5.5), some rewording 7) 6.8 (former 5.6), some rewording 8) 6.9 (former 5.7), slight rewording, e) Clause 7 (former clause 6) type tests: some rewording and clarifications about references, f) Clause 8 (former clause 7) routine tests: 1) 8.2 (former 7.2): add a paragraph about SF6-mixtures and other gases than SF6, 2) 8.3 (former 7.3): update reference to relevant on-site test according to IEC 62271‑203:2022, g) Clause 9 Guide to the selection of switchgear and controlgear (new): informative, to have a reference to IEC 62271-203:2022, h) Clause 11 (former 10): updated headline and updated reference according to IEC 62271‑1:2017, i) new Clauses 12 Safety and 13 Environmental aspects: Adding of references to safety and environmental aspects, j) correction of errors in Corrigendum 2 of IEC 62271-211:2017, k) modified orientation of Figure 1 to Figure 4 for easier reading of the tables.
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相似标准/计划/法规
现行
IEC 62271-211-2024
High-voltage switchgear and controlgear - Part 211: Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
高压开关设备和控制设备.第211部分:额定电压52kV以上的电力变压器和气体绝缘金属封闭开关设备之间的直接连接
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DIN EN 62271-211
High-voltage switchgear and controlgear - Part 211: Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV (IEC 62271-211:2014); German version EN 62271-211:2014
高压开关设备和控制设备.第211部分:额定电压高于52kV的电力变压器和气体绝缘金属封闭开关设备之间的直接连接(IEC 62271-211-2014);德文版EN 62271-211:2014
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