GB 50343-2012 Translated English of Chinese Standard. GB50343-2012: Technical Code for Protection of Building Electronic Information System against Lightninghttps://www.chinesestandard.net, 23. juni 2017 - 72 sider This code is formulated with a view to preventing and reducing the damage caused by lightning on building electronic information system and protecting the safety of life and property. |
Innhold
| 8 | |
Lightning Protection Design | 16 |
Lightning Protection Construction | 31 |
Maintenance and Management | 37 |
Lightning Current Parameters | 64 |
Vanlige uttrykk og setninger
adopted annual thunderstorm days average annual thunderstorm building electronic information buildings struck calculated according caused by lightning components RX connection method damage type determined according determined in accordance distribution box downlead earthing conductor earthing device earthing electrode earthing terminal board electromagnetic fields electronic information system equipment room equipotential bonding bar equipotential bonding network equipotential earthing terminal factor fire following formula following requirements GB/T impulse withstand voltage information system equipment Insertion loss Interception area internal system failure lightning protection device lightning protection level lightning protection measures lightning protection zone lightning stroke loss rate loss type machine room magnetic strength meet the following meet the requirements national standard Protection overvoltage physical damage power supply rated impulse withstand risk assessment risk component service facility shield layer shielded cable Sichuan signal SPD SPD protection specified in Table standing wave ratio struck by lightning surge system against lightning times/a welding