High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines
文件核验信息（付费前可核对）
标准范围（官方英文摘要）
IEC 62271-112:2021 is available as IEC 62271-112:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62271-112:2021 applies to AC high-speed earthing switches (hereinafter termed HSES) designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having rated voltages of 550 kV and above. HSESs described in this document are intended to extinguish the secondary arc remaining after clearing faults on transmission lines by the circuit-breakers. For more detailed information on HSESs, refer to Annex A. This second edition cancels and replaces the first edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: The document has been updated to the second edition of IEC 62271-1:2017.
标准信息
- 标准号
- IEC 62271-112:2021
- 英文标题
- High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines
- 发布单位
- —
- 技术委员会
- TC 17/SC 17A
- 版本 / 版次
- 2.0
- 状态
- 现行
- 发布日期
- 2021
- ICS 分类
- 29.130.99 其他开关装置和控制器
- 页数
- 54 页
- 官方定价
- CHF 190
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