无线电基站专用变压器的雷电保护 |
该建议书具体阐述如何保护无线电基站(RBS)专用电压器不受雷电影响的问题。RBS通常由本地公用电力公司供电,但带有一条中等电压(如从10kV到20 kV)的专用电力线。专用变压器安装在RBS上是为了将中等电压转变为低电压(如380V或240 V),之后,被用于为RBS供电。专用变压器常常被安装在杆上,其相关架空线(中和低电压电线)往往接地条件很差,因此,这些变压器很容易受到闪电影响,而闪电造成的电力中断会严重影响RBS的正常运行。本建议书的一个主要目的是降低闪电对RBS专用电压器造成的潜在破坏,这将有助于改善RBS本身及其相关设备的安全性和可靠性。本建议书包括下列特性:1) 需要保护专用变压器;2) 实现变压器和RBS的接地和绑定;3) 直接保护变压器免受雷电影响;4) 变压器绝缘要求;5) MV/LV避雷针和LV SPD;6) 保护辅助设施。 |
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ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
1
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K.110 (12/2015)
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In force
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here
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here
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here
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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K Suppl. 3 (10/2015)
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ITU-T K.20, K.21, K.45, K.82 – Additional criteria to protect telecommunication cabling during a power cross event
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In force
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here
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here
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here
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K Suppl. 8 (11/2017)
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Resistibility analysis of 5G systems
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In force
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here
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here
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here
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K Suppl. 9 (05/2019)
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5G technology and human exposure to radiofrequency electromagnetic fields
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In force
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here
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here
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here
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K Suppl. 10 (11/2017)
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Analysis of electromagnetic compatibility aspects and definition of requirements for 5G mobile systems
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In force
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here
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here
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here
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K Suppl. 13 (12/2021)
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Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use
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In force
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here
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here
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here
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K Suppl. 14 (09/2019)
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The impact of RF-EMF exposure limits stricter than the ICNIRP or IEEE guidelines on 4G and 5G mobile network deployment
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In force
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here
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here
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here
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K Suppl. 16 (10/2022)
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Electromagnetic field compliance assessments for 5G wireless networks
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In force
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here
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here
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here
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K Suppl. 19 (09/2019)
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Electromagnetic field (EMF) strength inside underground railway trains
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In force
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here
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here
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here
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K Suppl. 29 (07/2022)
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Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology
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In force
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here
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here
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here
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Title |
Approved on |
Download |
Mitigation measures for telecommunication installations – Chapter 10
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2006
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here
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Mitigation measures for telecommunication installations
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2004
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here
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Earthing and bonding
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2003
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here
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Guide to the use of ITU-T Publications produced by Study Group 5 aimed at achieving Electromagnetic Compatibility and Safety
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2002
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here
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Earthing of telecommunication installations
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1976
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here
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