1、1?GB50057-2010?GB50057-2010?UDC?GBP GB50057-2010?Design code for protection ofStructures against lightning2010-11-03?2011-10-01?Design code for protection ofStructures against lightningGB 50057-2010?2?2011?10?2011?824?GB 50057 2010?2011?10?1?3.0.2?3.0.3?3.0.4?4.1.1?4.1.2?4.2.1(2?3)?4.2.3(1?2)?4.2.4(
2、8)?4.3.3?4.3.5(6)?4.3.8(4?5)?4.4.3?4.5.8?6.1.2?)?GB 5005794(2000?)?O?3?2005?3?30?200584?2005?GB50057-95(2000?)?1.?2.?3.?4.?5.?6.?7.?5?100089?4?1?12?23?9?114.1?114.2?124.3?224.4?304.5?355?395.1?395.2?405.3?445.4?456?486.1?486.2?48?A?66?B?69?C?71?D?(?).73?E?kc73?F?.75?G?.78?H?81?J?83J.1?835J.2?881?1.0
3、.1?1.0.2?1.0.3?1.0.4?2?2.0.1?lightning flash to earth?2.0.2?lightning stroke?2.0.3?point of strike?2.0.4?lightning current?2.0.5?lightning protection system(LPS)?2.0.6?external lightning protection system?2.0.7?internal lightning protection system?2.0.8?air-termination system?2.0.9?down-conductor sy
4、stem6?2.0.10?earth-termination system?2.0.11?earth electrode?2.0.12?earthing conductor?2.0.13?direct lightning flash?2.0.14?lightning electrostatic induction?2.0.15?lightning electromagnetic induction?2.0.16?lightning induction?2.0.17?lightning surge?2.0.18?lightning surge on incoming services?2.0.1
5、9?lightning equipotential bonding(LEB)?2.0.20?bonding bar?7?2.0.21?bonding conductor?2.0.22?bonding network(BN)?2.0.23?earthing system?2.0.24?lightning protection zone(LPZ)?2.0.25?lightning electromagnetic impulse(LEMP)?2.0.26?electrical system?2.0.27?electronic system?2.0.28?internal system?2.0.29?
6、surge protective device(SPD)?2.0.30?modes of protection?2.0.31?maximum continuous operating voltage(Uc)?2.0.32?nominal discharge current(In)?8/20?s?2.0.33?impulse current(Iimp)?Ipeak?Q?W/R?82.0.34?Iimp?SPD tested with Iimp?10/350?s?Iimp?2.0.35?class?test?In?1.2/50?s?Iimp?T1?T1?2.0.36?In?SPD tested w
7、ith I n?8/20?s?In?2.0.37?class?test?In?1.2/50?s?8/20?s?Imax?T2?T2?2.0.38?SPD tested with a combination wave?8/20?s?Isc?2.0.39?class?test?2?1.2/50?s?Uoc?8/20?s?Isc?T3?T3?2.0.40?voltage switching type SPD?2.0.41?voltage limiting type SPD?2.0.42?combination type SPD?2.0.43?measured limiting voltage?2.0
8、.44?voltage protection level(Up)9?2.0.45 1.2/50?s?1.2/50?svoltage impulse?T 1?1.2?s?T 2?50?s?2.0.46 8/20?s?8/20?scurrent impulse?T 1?8?s?T 2?20?s?2.0.47?rated impulse withstand voltage of equipment(Uw)?2.0.48?insertion loss?dB?dB?2.0.49?return loss?(dB)?2.0.50?near-end crosstalk(NEXT)?3?3.0.1?3.0.2?
9、1)?2)?0?20?3)?1?21?3.0.3?1)?2)?10?3)?4)?5)?6)?1?21?7)?2?22?8)?9)?0.05?/a?10)?0.25?/a?3.0.4?1)?2)?0.01?/a?0.05?/a?3)?0.05?/a?0.25?/a?4)?15d/a?15 m?15 d/a?20 m?4?4.1?4.1.1?3.0.3?5?7?4.1.2?1?1?112?3?4?2?1?4.1.3?3.0.3?2?4?6?4.2?4.2.1?1?5 m5 m?6 m4 m?2?1?4.2.1?2?5 m?3?1?2?4.2.1?(kPa)?(m)?(m)?5?125?25?2.5
10、5?25?2.55?25?55?0.75?0.75?3?124?5?4.2.1?3 m?1)?hx?5Ri?Sa1?0.4(Ri?0.1hx)(4.2.1-1)?hx?5Ri?Sa1?0.1(Ri?hx)(4.2.1-2)2)?Se1?0.4Ri (4.2.1-3)?Sa1?(m)?Se1?(m)?Ri?(?)?hx?(m)?6?4.2.1?3 m?1)?(h?l/2)?5Ri?Sa2?0.2Ri?0.03(h?l/2)(4.2.1-4)2)?(h?l/2)?5Ri?Sa2?0.05Ri?0.06(h?l/2)(4.2.1-5)13?Sa2?(m)?h?(m)?l?(m)?7?3 m?1)?(
11、h?l1)?5Ri?0.4Ri?0.06(h?l1)(4.2.1-6)2)?(h?l1)?5Ri?0.1Ri?0.12(h?l1)(4.2.1-7)?Sa2?(m)?l1?(m)?n?l1?8?10?3000?m?30?4.2.2?1?18 m?24 m?18 m?24 m?2?100 mm?30 m?100 mm?0.03?5?3?10?4.2.1?5?,?2?4.2.3?141?2?15m?30?2.5 kV?10 kA?IP54?J.1.2?2?PE?,?40 kA?20 kA?3?l?(m);?(?m)?4?6?J?5.1.2?5?6?6?(4.2.3)?15 m?30?D1?J?5.
12、1.2?2 kA?15?IP54?6?7?100 m?25 m?30?4.2.4?5 m5 m?6 m4 m?B?30 m?1?2?12 m?3?4.2.1?2?3?4?12 m?5?10?6?10?1)?500?m?5 m?2)?1?:16lr?(m)?A?(m2)?3)?1?:?lv?(m)?4)?500?m?3000?m?:5?4?:6?4?:?50 Hz?7?30 m?1)?30 m?6 m?2)30 m?8?17?2.5 kV?12.5 kA?9?4.2.4-6?4.2.4.7?I?200kA?n?m?Rs?(?/km)?Rc?(?/km)?10?5.1.2?J?J.1.2?2?PE
13、?,?9?4?2?11?D1?(4.2.4-6)?(4.2.4-7)?2 kA?J.2?5.1.2?12?B2?J.2.1?100 A?13?(4.2.4-6)?m=1?18?1.5kV?2.5kV?14?(4.2.4-6)?m=1?4.2.5?5m?4.3?4.3.1?B?10 m10 m?12 m 8 m?45 m?4.3.2?1?4.2.1?2?2?1?21?2?22?0?20?4.2.1?3?1)?2)?4.5.7?194.3.3?2?18 m?18 m?4.3.4?4.3.5?1?3.0.3?2?4?9?10?3.0.3?2?4?9?10?2?4%?3?10 mm?10 mm?4?0
14、.5 m?S?(m2)?kc?E?5?4.3.5?4.3.5?(m)?(mm)?(mm)?604252?102040?604504?10?3?12?40?4.24?1?2?2?3?6?4.3.6?50 Hz?3000?m?10?1?2?1?800?m?5m?(4.2.4-1)?(4.2.4-2)?2?800?m?3000?m?3?2?4?2?5?4.3.5?21?1)?800?m?79m2?2)?800?m?3000?m?6?4.3.5?6 m?6 m?1)?2)?3)?0.5 m?0.82 m2?4.3.7?3.0.3?5?7?1?2?3.0.3?7?4.2.2?2?3?2?4.3.8?1?
15、Sa3?0.06kclx (4.3.8)?Sa3?(m)?lx?(m)?2?223?1/2?1?4?2.5 kV?12.5 kA?5?Yyn0?Dyn11?12.5 kA?5 kA?2.5 kV?6?I?I?4.2.4-6?4.2.4-7?150kA?7?D1?(4.2.4-6)?(4.2.4-7)?150kA?1.5kA?8?B2?75A?9?4.2.4?13?14?4.2.4-6?150kA?4.3.9?45 m?4.3.1?1?45 m?2?60 m?20%?60 m?1)?20%?60m?23?2)?20%?60m?3)?5.2.7?2?4)?4.3.5?5.3.5?3?4.3.10?
16、60 m?4 mm?60 m?4 mm?2?30 m?30?4.3.6?4.3.6?10?30?4.3.2?4.4?4.4.1?B?20 m20 m?24 m 16 m?60 m?4.4.2?4.3.2?4.4.3?2?25 m?25 m?4.4.4?4.4.5?24?4.3.5?2?3?6?1?0.5 m?(4.4.5)2?4.4.5?4.4.5?(m)?(mm)?(mm)?601?1040?604202?8?40?1.89?1?2?2?3?4.4.6?50 Hz?3000?m?30?3.0.4?2?10?1?1?5 m?(4.2.4-1)?(4.2.4-2)?2?4.4.5?79 m2?3?4.4.5?6 m?6 m?25?1)?2)?3)?0.5 m?0.37 m2?4.4.7?1?4.3.8?1?5?Sa3?0.04kclx (4.4.7)2?I?I?4.2.4-6?4.2.4-7?100kA?3?D1?(4.2.4-6)?(4.2.4-7)?100kA?1.0kA?4?B2?50A?5?4.2.4?13?14?4.2.4-6?100kA?4.4.8?60 m?4.4.1?1?
