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UIT-T SG 5

Environment, climate change and circular economy

Période d'études 2017

Resultats:21 documents
Contributions  [ Source: Huawei Technologies Co., Ltd ]  [ AI/Question: Q1/5 ]   Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 875 ]  
 
The 2nd draft of Recommendation ITU-T K.HVAC_400VDC, "Electrical safety and lightning protection of medium voltage input and up to ±400VDC output power system in ICT data centre and telecommunication centre"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-11-17
[ 792 ]  
 
The 1st draft of Recommendation ITU-T K.MV-UPS, "Electrical safety and lightning protection requirements for medium voltage uninterruptible power system"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 791 ]  
(Rev.1) 
The proposal to rename ITU-T K.HVAC_400VDC "Electrical safety and lightning protection of medium voltage input and up to 400VDC output power system in data centre and telecommunication room"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 790 ]  
(Rev.1) 
Outline of draft Recommendation on ITU-T K.5G-Lightning "Practical guide for lightning protection, earthing and bonding, and safety consideration of 5G radio base station"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 789 ]  
(Rev.1) 
Outline of K.SPDM: Performance Requirements and Test Methods for Surge Protective Device Modules Used in AC power port of Telecommunication Equipment     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 721 ]  
 
A.1 justification for proposed new ITU-T Recommendation in the work programme: K.HVAC_400Vdc: "Electrical safety and lightning protection of medium voltage input and up to 400VDC output power system in data center and telecommunication room"     Huawei Technologies Co., Ltd. (China) , Ministry of Industry and Information Technology (MIIT) (China)   Q1/5   2020-10-05
[ 682 ]  
(Rev.1) 
Proposed new work item on "Electrical safety and lightning protection of 10kV AC input and up to 400VDC output power system in data center and telecommunication room"     Huawei Technologies Co., Ltd. (China) , Ministry of Industry and Information Technology (MIIT) (China)   Q1/5   2020-09-29
[ 616 ]  
(Rev.1) 
Proposal to revise ITU-T K.112, Lightning protection, earthing and bonding: Practical procedures for radio base stations     Huawei Technologies Co., Ltd. (China)   Q1/5   2020-04-26
[ 615 ]  
(Rev.1) 
Proposal to revise ITU-T K.56, Protection of radio base stations against lightning discharges     Huawei Technologies Co., Ltd. (China)   Q1/5   2020-04-26
[ 604 ]  
 
Description of new Question QA/5     Huawei Technologies Co., Ltd. (China)   QALL/5, Q5/5, Q1/5   2019-09-04
[ 546 ]  
 
Proposed a new work item on draft Recommendation ITU-T K.5G-Lightning "Practical guide for lightning protection, earthing and bonding, and safety consideration of 5G radio base station"     Huawei Technologies Co., Ltd. (China)   Q1/5   2019-08-30
[ 545 ]  
 
Proposal to revise ITU-T K.40     Huawei Technologies Co., Ltd. (China)   Q1/5   2019-08-30
[ 453 ]  
 
Proposal to add a clause to demonstrate the protection measure for antenna system against lightning in different installation scenarios in ITU-T K.112.     Huawei Technologies Co., Ltd. (China)   Q1/5   2019-04-26
[ 380 ]  
 
Added the requirements for SSI powered by up to 400V IT d.c. system in ITU-T K.psp     Huawei Technologies Co., Ltd.   Q1/5   2018-08-29
[ 379 ]  
 
Some revision suggestions for ITU-T K.psp "Protection of small-size telecommunication installations with poor earthing conditions"     Huawei Technologies Co., Ltd.   Q1/5   2018-08-29
[ 240 ]  
 
Proposal to add a new Appendix to give some examples for protection GPS system against lightning in ITU-T K.112     Huawei Technologies Co., Ltd.   Q1/5   2018-05-03
[ 115 ]  
 
Proposal to delete work item K.lp from the work program     Huawei Technologies Co., Ltd.   Q1/5   2017-10-28
[ 114 ]  
 
Proposal for new subclauses to be inserted on ITU-T K.40     Huawei Technologies Co., Ltd.   Q1/5   2017-10-28
[ 113 ]  
 
Proposal for an alternative earthing network for electronic equipment cabinet (EEC) in ITU-T K.35     Huawei Technologies Co., Ltd.   Q1/5   2017-10-28
[ 76 ]  
 
The power frequency magnetic field (PFMF) control of ICT equipment rooms and PFMF immunity requirement for ICT equipment for ITU-T K.idc     Huawei Technologies Co., Ltd.   Q1/5   2017-05-03
[ 72 ]  
 
Dangerous effects and protective measures against electromagnetic disturbances when internet data centre is co-sited with high-voltage substation     Huawei Technologies Co., Ltd.   Q1/5   2017-05-03
Resultats:21 documents
 
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