KS C IEC 62305-1-2012 Protection against lightning－Part 1：General principles《雷电防护 第1部分 通用原则》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 62305 1 1：KS C IEC 62305 1:2012 2012 12 27 http:/www.kats.go.krKS C IEC 62305 1:2012 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： ：2007 11 30 ：2012 12 27 2012-0769 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 62305 1:2012 i . iv v

2、 1 1 2 1 3 .1 4 7 5 8 5.1 8 5.2 10 6 11 6.1 .11 6.2 .12 7 ( ) .12 7.1 .12 7.2 .12 7.3 13 7.4 .13 7.5 ( ) .13 8 14 8.1 .14 8.2 (LPL).14 8.3 (LPZ) 16 8.4 .18 A( ) 20 A.1 .20 A.2 .22 A.3 LPL I 26 A.4 .27 B( ) .28 C( ) 33 C.1 .33 C.2 33 C.3 34 D( ) LPS 36 D.1 .36 D.2 .36 D.3 37 D.4 .38 KS C IEC 62305 1:

3、2012 ii D.5 LPS , .44 D.6 (SPD) 47 D.7 LPS 48 E( ) 49 E.1 .49 E.2 ( S1) .49 E.3 51 E.4 ( S1 S2) .52 E.5 SPD 53 54 KS C IEC 62305 1:2012 55 1 8 2 .10 3 (LPL) .15 4 LPL 15 5 .15 A.1 CIGRE (ELECTRA NO.41 NO.69) .23 A.2 CIGRE(ELECTRA NO.41 NO.69) 95 % 5 % LOG24 A.3 I P 25 B.1 (B.1) 28 C.1 .34 C.2 .34 C.

4、3 34 D.1 LPS LPL 36 D.2 LPS .39 D.3 W/R .40 E.1 Z Z150 E.2 51 E.3 52 1 11 2 LPS LPZ(KS C IEC 62305 3)17 3 SPM LPZ(KS C IEC 62305 4).18 A.1 ( 2 ms)20 A.2 ( 2 ms TLONG 1 s).21 A.3 21 A.4 22 KS C IEC 62305 1:2012 iii A.5 (95 % 5 % ).25 B.1 29 B.2 29 B.3 30 B.4 30 B.5 31 B.6 31 B.7 LPL I 32 C.1 33 C.2 C

5、.3 35 C.3 .35 C.4 .35 D.1 .42 D.2 LPS .42 D.3 D.2 F .43 D.4 D.2 F.43 KS C IEC 62305 1:2012 iv . , , . , . KS C IEC 62305 1:2012 v 2010 2.0 IEC 62305 1, Protection against lightning Part 1： General principles , . KS C IEC 62305 1:2012 1： Protection against lightning Part 1： General principles 1 . . ,

6、 , , , . 2 . . ( ) . KS C IEC 62305 2, 2： KS C IEC 62305 3, 3： KS C IEC 62305 4, 4： 3 . 3.1 (lightning flash to earth) 1 3.2 (downward flash) (leader) , . 1 . KS C IEC 62305 1:2012 2 3.3 (upward flash) . 1 . 3.4 (lightning stroke) 3.5 (short stroke) T2 2 ms ( A.1 ). 3.6 (long stroke) TLONG( 10 % 10

7、% ) 2 ms 1 s ( A.2 ). 3.7 (multiple strokes) 50 ms , 34 10 ms 250 ms . 3.8 (point of strike) (： , LPS, , ) 2 . 3.9 (lightning current) i 3.10 (current peak value) I KS C IEC 62305 1:2012 3 3.11 (average steepness of the front of impulse current) t t2 t1 i i(t2) i(t1) t t2 t1 ( A.1 ). 3.12 (front tim

8、e of impulse current) T1 10 % 90 % 1.25 ( A.1 ) 3.13 (virtual origin of impulse current) O1 10 % 90 % ( A.1 ). 10 % 0.1 T1 . 3.14 1/2 (time to half value on the tail of impulse current) T2 1/2 ( A.1 ) 3.15 (flash duration) T 3.16 (duration of long stroke current) TLONG 10 % 10 % ( A.2 ) 3.17 (flash

9、charge) QFLASH 3.18 (impulse charge) QSHORT 3.19 (long stroke charge) QLONG KS C IEC 62305 1:2012 4 3.20 (specific energy) W/R . 3.21 (specific energy of impulse current) . 3.22 (structure to be protected) . 3.23 (line) 3.24 (telecommunication lines) 3.25 (power lines) 3.26 (lightning flash to a str

10、ucture) 3.27 (lightning flash near a structure) 3.28 (electrical system) 3.29 (electronic system) , , , , 3.30 (internal systems) KS C IEC 62305 1:2012 5 3.31 (physical damage) , , , ( ) 3.32 (injury of living beings) , ( D1). 3.33 (failure of electrical and electronic systems) (LEMP) 3.34 (lightnin

11、g electromagnetic impulse) LEMP , 3.35 (surge) / (LEMP) 3.36 (lightning protection zone) LPZ LPZ (： , , ) . 3.37 (risk) R ( ) ( ) 3.38 (tolerable risk) RT 3.39 (lightning protection level) LPL KS C IEC 62305 1:2012 6 ( ) . 3.40 ( ) (protection measures) 3.41 (lightning protection) LP ( ) , LPS SPM .

12、 3.42 (lightning protection system) LPS . 3.43 (external lightning protection system) , , 3.44 (internal lightning protection system) / 3.45 (air-termination system) , , 3.46 (down-conductor system) 3.47 (earth-termination system) 3.48 (external conductive parts) , , 3.49 (lightning equipotential bo

13、nding) EB KS C IEC 62305 1:2012 7 3.50 (conventional earthing impedance) , 3.51 LEMP (LEMP protection measures) SPM (LEMP) . 3.52 (magnetic shield) 3.53 (surge protective device) SPD (轉流 ) , 3.54 SPD (coordinated SPD system) , , SPD 3.55 (rated impulse withstand voltage) UW , , . 3.56 (isolating int

14、erfaces) (LPZ) 1 , . 2 SPD . 4 KS C IEC 62305 A . B . C . LPS DKS C IEC 62305 1:2012 8 . E . 5 5.1 , . . . 5.1.1 . (： , , , , ) ( , , , , , , , , , , , , , , ) ( , , , ) ( , , ) ( , ) ( , , ) 1 , (： TV, , , ) 1 2 , , , , , (： ) , , , , , , , , , , KS C IEC 62305 1:2012 9 1 ( ) , , , , 5.1.2 . , . S1

15、： S2： S3： S4： a) . , , ( ) , ( ) / / LEMP b) . LEMP c) . / d) . 1 KS C IEC 62305 , KS C IEC 61000 4 5 . 2 ( ) . 3 . , 3 . D1： D2： ( , , , ) KS C IEC 62305 1:2012 10 D3： LEMP 5.2 , . . KS C IEC 62305 , . L1： ( ) L2： L3： L4： ( , ) KS C IEC 62305 , , , TV, TLC . L1, L2, L3 , L4 . 2 . 2 S1 D1 D2 D3 L1, L4aL1, L2, L3, L4L1b, L2, L4 S2 D3 L1b, L2, L4 S3 D1 D2 D3 L1, L4aL1, L2, L3, L4L1b, L2, L4 KS C IEC 62305 1:2012 11 2 ( ) S4 D3 L1b, L2, L4 a b 1 . a b 1 6 6.1 L1, L2, L3 . KS C IEC 62305 2 . 5.2 . R1： R2： R3： R1R2R3 R4 a b KS C IEC 62305 1:2012 12 1