GB50057-2010建筑物防雷设计规范报批稿.pdf

1、1 UDC GB P GB50057-20XX Design code for protection of Structures against lightning 2010 56 20XX X X 20XX X X 2 De ign code for protection of Structures against lightning GB 50057-20XX 3 GB 50057 20XX 20XX X X 3 4.1.1 4.1.2 4.2.1(2)(3)4.2.3(1)(2)4.2.4(8)4.3.3 4.3.5(6)4.3.8(4)(5)4.5.8 6.1.3()GB 50057

2、94(2000)XXX 4 5 1 8 2 9 3 14 4 16 4.1 16 4.2 18 4.3 23 4.4 29 4.5 33 5 36 5.1 36 5.2 37 5.3 40 5.4 41 6 44 6.1 44 6.2 44 6.3 46 6.4 55 A 59 B 62 C 63 D 65 E kc 74 F 76 G 78 H 80 J 82 J.1 82 J.2 86 89 90 93 6 CONTENTS 1 General principles 8 2 Terms 9 3 Classification of structures to be protected aga

3、inst lightning 14 4 Protection measures for structures against lightning 16 4.1 General 16 4.2 Protection measures for first class of structures to be protected against lightning 16 4.3 Protection measures for second class of structures to be protected against lightning 23 4.4 Protection measures fo

4、r third class of structures to be protected against lightning 29 4.5 Other protection measures against lightning 33 5 Lightning protection system 36 5.1 Materials for lightning protection system 36 5.2 Air-termination system 37 5.3 Down-conductor system 40 5.4 Earth-termination system 41 6 Protectio

5、n against LEMP 44 6.1 General 44 6.2 Lightning protection zones and examples of protection against LEMP 44 6.3 Requirements for magnetic shielding,earthing and equipotential bonding 46 6.4 Requirements for installation and selection of SPDs 55 Annex A Expected annual number of lightning flash for st

6、ructures 59 Annex B Structure parts which are apt to be struck by lightning 62 Annex C Conversion from power frequency earthing resistance of earth-termination system to impulse earthing resistance 63 Annex D Determination of protected volume of air-termination system with rolling sphere method 65 A

7、nnex E Values of coefficient kc 74 Annex F Lightning currents 76 Annex G Calculation of induced voltages and currents in loops 78 7 Annex H Cross-section of the entering cable screen 80 Annex J Surge protective devices 82 J.1 SPDs used in electrical system 82 J.2 SPDs used in electronic system 86 Ex

8、planations for the words used in this code 89 List of cited standards and documents 90 Appendix:Explanationgs for clauses 93 8 1.0.1 1.0.2 1.0.3 1.0.4 9 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 ext

9、ernal lightning protection system 2.0.7 internal lightning protection system 2.0.8 air-termination system 2.0.9 down-conductor system 2.0.10 earth-termination system 2.0.11 earth electrode 2.0.12 earthing conductor 2.0.13 direct lightning flash 10 2.0.14 lightning electrostatic induction 2.0.15 ligh

10、tning electromagnetic induction 2.0.16 lightning induction 2.0.17 lightning surge 2.0.18 lightning surge on incoming services 2.0.19 lightning equipotential bonding(LEB)2.0.20 bonding bar 2.0.21 bonding conductor 2.0.22 bonding network(BN)2.0.23 earthing system 2.0.24 lightning protection zone(LPZ)1

11、1 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 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)2.0.33 impulse current(Iimp)Ipeak

12、Q W/R 2.0.34 SPD tested with Iimp 10/350 s Iimp 2.0.35 class test T1 T1 12 2.0.36 SPD tested with In 8/20 s In 2.0.37 class test 8/20 s T2 T22.0.38 S P D t e s t e d w i t h a combination wave 8/20 s Isc 2.0.39 class test Isc T3 T3 2.0.40 voltage switching type SPD 2.0.41 voltage limiting type SPD.0

13、.42 combination type SPD 2.0.43 measured limiting voltage 2.0.44 voltage protection level(Up)2.0.45 1.2/50 1.2/50 voltage impulse 13 T1 1.2 T2 2.0.46 8/20 8/20 current impulse T1 8 T2 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

14、-end crosstalk(NEXT)14 3.0.1 3.0.2 1 2 0 20 3 1 21 3.0.3 1 2 3 4 5 6 1 21 7 2 22 8 9 0.05/a 10 0.25/a A 3.0.4 1 15 2 0.01/a 0.05/a 3 0.05/a 0.25/a 4 15 d/a 15 m 15 d/a 20 m 16 4.1.1 3.0.3 5 6 7 4.1.2 1 2 1 4.1.3 3.0.3 2 3 4 6 4.2.1 1 5 m 5 m 6 m 4 m 2 4.2.1 5 m 3 17 4 4.2.1(kPa)(m)(m)5 1 2 5 25 2.5

15、5 25 2.5 5 25 5 5 0.75 0.75 5 4.2.1 3 m 4.2.1.4(4.2.1 1.1(4.2.1 2.4 4.2.1 3()18 6 4.2.1 3 m 1)h()2l 5.2 h()2l 4.2.1 4 2)h()2l 5.05 h()2l 4.2.1 5 h l 7 3 m 1)h(l1)5 n1.4(h l1 4.2.1 6 2)h(l1)5 n1.1(h l1 4.2.1 7 l1(m)n l1 8 10 3000 m 30 4.2.2 1 18 m 24 m 19 18 m 24 m 2 100 mm 30 m 100 mm 0.03 5 3 10 4.

16、2.1 5,4.2.3 1 6 2 15 m 2 l(4.2.3)l(m);(m)30 2.5 kV 10 kA IP54 J 5.1.2 6.4.7 20 J.1.2 2 PE,40 kA 20 kA 3 6 4(4.2.3)15 m 30 D1 J 5.1.2 2 kA IP54 6.4.7 5 100 m 25 m 30 4.2.4 5 m 5 m 6 m 4 m B 30 m 1 2 12 m 3 21 4.2.1 2 3 4 12 m 5 10 6 10 1)500 m 5 m Alr=5(4.2.4-1)A(m)rl(m)A(m2)25Alv=(4.2.4-2)vl(m)2)500

17、 m 3000 m A 3803600 11(4.2.4-3)Alr=3803600 11(4.2.4-4)22 23803600 11 Alv=(4.2.4-5)50 Hz 7 30 m 1)30 m 6 m 2)30 m 8 2.5 kV(4.2.4-6)(4.2.4-7)12.5 kA J 5.1.2 Iimp=nmI 5.0(kA)(4.2.4-6)Iimp=)(5.0c ssR mR nIR+(kA)(4.2.4-7)I F.0.1-1(kA)n m Rs(/km)Rc(/km)J.1.2 2 PE,4 2 9 D1(4.2.4-6)(4.2.4-7)2 kA J.2 5.1.2 2

18、3 10 B2 J.2.1 100 A 11 1)2)(4.2.4-6)m=1 3)1.5kV 2.5kV 4)12 1)2)(4.2.4-6)m=1 3)4)4.2.5 5 m 4.3.1 B 10 m 10 m 12 m 24 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 4.3.3 18 m 18 m 4.3.4 4.3.5 1 3.0.3 2 3 4 9 10 2 4%3 25 10 mm 10 mm 4 0.5 m 224.4ck S(4.3.5)S(m2)kc E 5 4.3.5 4.3.5(m)(mm)(m

19、m)60 4 25 2 10 40 60 450 4 10 3 12 40 4.24 m2 1 2 2 3 6 4.3.6 50 Hz 3000 m 26 10 1 2 1 800 m 5 m(4.2.4-1)(4.2.4-2)2 800 m 3000 m A 50550(4.3.6-1)Alr=50550(4.3.6-2)250550 Alv=(4.3.6-3)3 4.3.5 1)800 m 79m2 2)800 m 3000 m A 250550(m2)(4.3.6-4)4 4.3.5 6 m 27 6 m 1)2)3)0.5 m 0.82 m2 4.3.7 3.0.3 5 6 7 1 2

20、 4.2.2 2 3.0.3 7 3 4.3.8 1 Sa3 x cl k 06.0(4.3.8)Sa3(m)xl(m)2 28 3 1/2 1 4 4.2.4 8 5 Yyn0 Dyn11 4.2.4 8 5 kA 2.5 kV J 5.1.2 6 4.2.4 9 10 9 2 kA 1.5 kA 10 100 A 75 A 7 4.2.4 11 12 4.3.9 45 m 4.3.1 1 45 m 29 2 60 m 20%60 m 1)2)3)5.2.7 2 4)4.3.5 5.3.5 3 4.3.10 60 m 4 mm 60 m 4 mm 30 m 30 4.3.6 10 30 4.

21、3.2 4.4 4.4.1 B 20 m 20 m 24 m 16 m 60 m 4.4.2 4.3.2 4.4.3 25 m 30 25 m 4.4.4 4.4.5 4.3.5 2 3 6 1 0.5 m 289.1ck S(4.4.5)S(m2)2 4.4.5 4.4.5(m)(mm)(mm)60 1 10 40 60 420 2 8 40 1.89 m2 1 2 2 3 4.4.6 50 Hz 3000 m 31 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 1)2)3)0.5 m 0.37 m2

22、 4.4.7 4.3.8(4.3.8)Sa3 x cl k 04.0(4.4.7)6 D1 1.5 kA 1 kA B2 75 A 50 A 4.4.8 60 m 32 4.4.1 1 60 m 2 60 m 20%60 m 1)2)3)5.2.7 2 4)4.4.5 5.3.5 3 4.4.9 0.5 m 4.4.5 40 m 40 m 33 4.5 4.5.1 1 30%2 30%30%30%30%3 30%4.5.2 1 2 3 50%4.5.1 4.5.3 2 34 4.5.4 1 2 PE 3 2.5 kV 4.5.5 0.05 100 m 1)2)5 cm 15 cm 3)35 4

23、)2 1)2)3)4)4.5.7:1 0.3 m 1.0 m2 2.0 m 2 0.5 m 4.5.8 36 5.1 5.1.1 5.1.1 5.1.1 37 5 5.1.2 5.1.2 5.1.2 D1 1.2(1.2mm2)D1 Smin Iimp/8(5.1.2)Smin(mm2)Iimp(kA)5.2 5.2.1 5.2.1 38 5.2.1 2.5 mm gr/m2 gr/m2 39 5.2.2 5.2.3 5.2.4 5.2.5 50 mm2 5.2.6 5.2.6 5.2.6 5.2.7 40 5.2.8 4.3.2 1 5.2.1 5.2.7 2.5 mm 4 mm 4.3.5

24、 4.4.5 5.2.9 5.2.10 5.2.11 1 2 5.2.12 5.2.12 5.2.12 5.3 41 5.3.1 5.2.1 5.3.2 5.2.6 5.3.3 5.2.9 4.3.5 4.4.5 5.3.4 5.3.5 5.2.1 5.3.6 0.3 m 1.8 m 0.3 m 5.3.7 1.7 m 0.3 m 5.3.8 5.4 5.4.1 5.4.1 42 4.3.5 4.4.5 5.4.1 1.7mm 4)3 mm gr/m2 gr/m2 290 mm2,3 mm 43 5.4.2 5.1.1 5.4.3 2.5 m 5 m 5.4.4 0.5 m 1 m5.4.5

25、5.4.6 5.4.7 3 m5.4.85.4.9 GBJ65-83 C 44 6.1 6.1.1 6.1.26.1.3 6.2 6.2.1 1 LPZ 0A 2 LPZ 0B 3 PZ 1 LPZ 0B4 LPZ 2 n 6.2.2 6.2.2 45(a)U2 U0 I2 I0 H2 H0 LPZ 1 U1 U0 I1 I0 H1 H0(c)LPZ 1 U2 U0 I2 I0 H2 H0 U2 U0 I2 I0 46 H0 6.2.2 MB SB SA 6.2.3 LPZ 0A LPZ 0B6.36.3.1 6.3.2 1 47 LPZ 0A LPZ 0B H0 i0 sa 6.3.2-1

26、H0(A/m)i0(A)F.0.1-1 F.0.1-2 F.0.1-3 sa(m)6.3.2-1(6.3.2-3)(6.3.2-4)6.3.2 sa1)6.3.2-2 48 6.3.2-2 R=10(i0)0.65(6.3.2-2)R(m)i0(kA)F.0.1-1 F.0.1-2 F.0.1-3 6.3.2-1 6.3.2-1 i0 H R sa=)2(H R H+L/2(6.3.2-3)H R sa=R+L/2(6.3.2-4)H(m)L(m)1 2(6.3.2-3)(6.3.2-4)2)LPZ 1 H1 H0SF/20(6.3.2-5)H1(A/m)SF(dB)6.3.2-2 6.3.2

27、-2 SF log(8.5/w)log(8.5/w)log()2 6/10 18 1/5.8 r w+log(8.5/w)49 1 2 3 r 4 w(m)r(m)5 SF=0 SF 6 dB 6.3.2-2 LPZ 6.3.2-3 SF 10 ds/1 w(6.3.2-6)SF 10 ds/1 w(6.3.2-7)ds/1(m)w(m)SF 6.3.2-2(dB)6.3.2-3 LPZ n Vs2 LPZ 0A50 LPZ 1 6.3.2-4 H1 kH i0 w dwrd(6.3.2-8)H1(A/m)dr LPZ 1(m)dw LPZ 1(m)kH m kH 0.01 m w LPZ 1

28、(m)6.3.2-4 LPZ 1(6.3.2-8)SF 10 ds/2 w SF/10(6.3.2-9)SF 10 ds/2 w(6.3.2-10)ds/2(m)3 LPZ 2 LPZ n LPZ n+1 LPZ n LPZ n+1 Hn+1 HnSF/20(6.3.2-11)Hn LPZ n(A/m)Hn+1 LPZ n+1(A/m)SF LPZ n+1(6.3.2-11)LPZ n+1(6.3.2-6)51(6.3.2-7)(6.3.2-11)LPZ n LPZ 1 LPZ 1 1)LPZ 1 6.3.2 1(6.3.2-5)2)LPZ 1 6.3.2 2(6.3.2-8)LPZ 1 LP

29、Z 1 6.3.2-5 LPZ 2 LPZ 1 6.3.2-5 LPZ 2 6.3.3 1 6.3.3 52 6.3.3 l 53 2 6.3.4 1 LPZ 0A LPZ 0B LPZ 1 5.1.2 2 LPZ 0A LPZ 1 F.0.1-1(4.2.4-6)(4.2.4-7)LPZ 0B LPZ 1 LPZ 0B3 1 54 4 5(PE)6.3.4 S M S 6 300 kHz S ERP S ERP Ss 6.3.4 55 6.3.4 7 MHz M M Mm 0.5 m 20%0.5 m 0.4 m6.4 6.4.1 LPZ 0A LPZ 0B LPZ 1 4 6.4.4 6.

30、4.8 6.4.2 LPZ 1 56 6.4.2 H 6,4,2 LPZ 1 6.4.3 LPZ 1 LPZ 2 LPZ 2 6.4.3 6.4.3 LPZ 2 6.4.4 V 6.4.4 6.4.4 220/380V UW 57 6.4.5 1 LPZ 0A LPZ 0B LPZ 1 MB 4 2 LPZ 2 SB SA J 1 3 5 kA 3 kA 6.4.6 1 Up/f=Up+U(6.4.6-1)2 Up/f=Up Up/f=U(6.4.6-2)Up/f(kV)Up kV U L di/dt 1 kV/m U=0.2 Up J 6.4.7 1 5 m 58 10 m Up/f Uw(

31、6.4.7-1)Uw(kV)2 10 m Up/f 2)(i wU U(6.4.7-2)Ui(kV)6.3.2 G 3 Up/f 2wU(6.4.7-3)GB/T17626.5-1999(IEC61000-4-5:1995)Uw Uw 6.4.8 J 59 A A.0.1 N=k Ng Ae(A.0.1)N(/a)k,1 1.5 1.7 2 Ng(/km2/a)Ae(km2)A.0.2 Ng=0.1 Td(/km2/a)(A.0.2)Td(d/a)A.0.3 1 100 m(A)()H H D=200(A.0.3-1)Ae=()()()610 200 200 2+H H H H W L LW(

32、km2)(A.0.3-2)D(m)L W H(m)2 100 m 2 D hr=100(m)(A.0.3-2)Ae(D/2)()10-6(km2)2 D Ae=()()()6104200200+H HH H W L LW(A.0.3-3)3 100 m 2 D 60(A.0.3-2)D()10-6(km2)2 D Ae=LW 10-6(km2)(A.0.3-4)A A 4 100 m Ae=()6 210 2+H W L H LW(A.0.3-5)5 100 m 2 H(m)(A.0.3-5)(H/2)()10-6(km2)2 H Ae=()62104+HW L H LW(A.0.3-6)6

33、100 m 2 H(A.0.3-5)H()10-6(km2)61 2 H(A.0.3-4)7 62 B B.0.1 B(a)B(b)B.0.2 1/10 1/2 B(c)B.0.3 1/2 B(d)B.0.4 B(c)B(d)B 63 C C.0.1 R=A Ri(C.0.1)R le le le A C.0.1 Ri C.0.1 A l le le le C.0.2 le=2(C.0.2)le C.0.2(m)m 64 C.0.2 C.0.3 1 C.0.4 20 m 1 20 m 65 D D.0.1 D.0.1 D.0.1 xx 1 h hr 1)hr2)hr A B 3)A B hr

34、4)hx xx rx=()()x r x rh h h h h h 2 2(D.0.1-1)ro=()h h hr 2(D.0.1-2)rx hx xx(m)hr 6.2.1 4.5.5(m)hx(m)ro(m)h hr hr66 1(D.0.1-1)(D.0.1-2)h hr D.0.2 h hr D()h h hr 2 2 D()h h hr 2 2 D.0.2 1 AEBC 2 C E bo bo=CO=EO=()222 Dh h hr(D.0.2-1)D.0.2 L M xx N AOB 67 AOB x hx()2222xDh h h hr r x+=(D.0.2-2)hr O()2

35、22+Dh hr AB 3 AEBC ACO hx C hx D.0.2 1 1 BCO AEO BEO ACO 4 xx rx A B AEBC ro rx)E C D.0.2 D.0.3 A h1 B h2 hr D()()2 2 1 12 2 h h h h h hr r+D()()2 2 1 12 2 h h h h h hr r+D.0.3 1 AEBC 2 CE HOD1=()()DD h h h hr r22 2122+(D.0.3-1)3 bo bo=CO=EO=()21 1 12 D h h hr(D.0.3-2)AOB A B hx=hr()2 2121x D h hr+(

36、D.0.3-3)x CE HO 68 HO hr O()2121D h hr+AB 4 AEBC ACO AEO BCO BEO ACO hx C hx D.0.3 1 1 AEO BCO BEO ACO D.0.3 L M xx N AOB 5 xx D.0.4 h hr D3()h h hr 2 2 69 D3()h h hr 2 2 D.0.4 1 2 B E D.0.4 1 1 B E hr O O hr ho r r oh hDh h+=2322(D.0.4-1)D.0.4 M N yy 70 3 D.0.4 2 2 P O hr ho hr B C A E F H F H()()2

37、02 2x b h h hr x r+=(D.0.4-2)()212 202=+xDh h h hr x r(D.0.4-3)4 D.0.4 3 3 5 ho h hy yy P hr ho()()20 02 h h h h hy y r D.0.4 D.0.5 h hr h hrD.0.5 120 m 2 m 120 m150 m 3 m(a)h 2 hr hr(b)h hr D.0.5 N 1 hr2 hr A B 3 A B hr4 h hr hr ho 71 h h hr=20(D.0.5-1)5 hx xx bx=()()x r x rh h h h h h 2 2(D.0.5-2)

38、bx hx xx(m)h(m)hr 6.2.1 4.5.5(m)hx(m)D.0.6 1 h hr D()h h hr 2 2 D()h h hr 2 2 D.0.6-1 D.0.6-1 h hr 1)2)A B hr O O hr A B 3)h0 h0=r rh hDh+222 D.0.6-1)4)h0 D.0.6-1 1 1 72 h0=hr()222+Dh hr ho E x=()0 02 h h hr b0 D.0.6-2)b0(D.0.2-1)h hr hr D hr()h h h hr r 2 2 D.0.6-2 D.0.6-2 h hr hr1)hr 2)A B hr O C

39、E 3)O hr A B 4)C E hr A B 5)h0 h0=r rh hDh+222(D.0.6-3)bm hr73 bm=()r rhDh h h+22(D.0.6-4)7)hr ho D.0.6-2 1 1 hr h0=2Dhr ho F()220 022=Dh h h h xr r(D.0.6-5)D.0.7 D.0.7 D.0.7 A B A B hr O 2 O hr AB AB 74 E kc E.0.1 kc 1 0.66 E.0.4 E.0.1(c)n 3,0.44(a)(b)(c)E.0.1 kc 1 1 2 3 1 S lx 2 2 2 kc=1 3 E.0.2 k

40、c E.0.2 75 E.0.2 kc 2 1 h1 hm cs cd c n 4 c h1 3 m 20 m 2 E.0.3 E.0.1 E.0.2 kc E.0.4 E.0.4 kc kc E.0.1 2 c hc hkc+=2 E.0.4 kc 3 76 F.0.1 F.0.1-1 F.0.1-1 F.0.1-4 F.0.1-2(a)(b)(c)F.0.1-1(a)(T2 2 ms)I T1 T2(b)(2 ms Tlong 1 s)Tlong 10%Qlong F.0.1-2 1(average steepness of the front of short stroke curren

41、t)(t2 t1)i(t2)i(t1)(t2 t1)F.0.1-2(a)2 T1(front time of short stroke current T1)10%90%1.25 F.0.1-2(a)3 O1(virtual origin of short stroke current O1)10%90%10%77 0.1T1 F.0.1-2(a)4 T2(time to half value of short stroke current T2)O1 F.0.1-2(a)F.0.1-1 I kA T s T s Qs C W/R MJ F.0.1-2 I kA T s T s I/T kA

42、s F.0.1-3 I kA T s T s I/T kA s F.0.1-4 Ql C T s I Ql/T 78 G G.0.1 LPZ 1 G LPZ 1 Uoc/max=l b0 H1/max/T1(G.0.1-1)Uoc/max(V)0 710 4(Vs)/(Am)b(m)l(m)H1/max LPZ 1(A/m)(6.3.2-5)T1(s)G 1 2 3 4 5 6 isc/max=l b0 H1/max/L(G.0.1-2)79 isc/max(A)L(H)(G.0.1-3)L=0.8()+l b l b l 4.0 8.02 2ln()()+2/1 1/2 l b r b+b

43、4.0 ln()()+2/1 1/2 b l r l 610(G.0.1-3)r(m)G.0.2 LPZ 1 G LPZ 1 Vs H1(6.3.2-8)G Uoc/max=b0 ln(1+l/dl/w)kH()r ld w/i0/max/T1(G.0.2-1)dl/w(m)(6.3.2-9)(6.3.2-10)dl/w ds/2;dl/r(m)i0/max LPZ 0A(A)kH m kH 0.01 m w(m)isc/max=b0 ln(1+l/dl/w)kH()r ld w/i0/max/L(G.0.2-2)G.0.3 LPZ n(n 2)LPZ n Vs Hn 6.3.2-2 G(G.

44、0.1-1)(G.0.1-2)H1/max(6.3.2-5)(6.3.2-11)Hn/max(6.3.2-5)H1 Hn/max H0 H(n-1)/max 80 H H.0.1 LPZ 0A LPZ 0B LPZ 1 wc c fcUL IS610(H.0.1)Sc(mm2)If(kA)(4.2.4-7)c(m)m m m Lc(m)H.0.1-1 Uw(kV)H.0.1-2 H.0.1-3 H.0.1-1 Lc(m)(m)Lc Lc Lc H.0.1-2 Un(kV)Uw(kV)1.5 Un Un Un Un Un Un 81 H.0.1-3 Uw(kV)1.5 Un kV)2.5 Un

45、kV)H.0.2 Sc(H.0.2-1)Sc(H.0.2-2)If(kA)Sc(mm2)H.0.3(H.0.1)(H.0.2-1)Sc 82 J J.1 J.1.1 J.1.1 10%J.1.1 J.1.1 U V GB J.1.2 J.1.2 J.1.2-1 J.1.2-5 U U U U U 3 U U U U U 83 J.1.2 J.1.2-1 TT Up 2.5 kV(RCD)84 J.1.2-2 TT RCD Up 2.5 kV RCD 85 J.1.2-3 TN Up 2.5 kV m J.1.2-5 J.1.2-4 IT Up 2.5 kV 86(RCD)J.1.2-5 TN-

46、C-S 8 9 10 F2 F3 Up 2.5 kV Up 2.5 kV 2 N PE J.2 J.2.1 J.2.1 87 J.2.1 A1 1kV 0.1kV/s 100kV/s 10A 0.1A/s 2A/s 1000 s A2 AC B1 1kV,10/1000s 100A,10/1000 s B2 1kV 4kV,10/700 s 25A 100A,5/300 s B3 1kV,100V/s 10A 100A,10/1000 s C1 0.5kV 1kV,1.2/50 s 0.25kA kA,8/20 s C2 2kV 10kV,1.2/50 s 1kA 5kA,8/20 s C3

47、1kV,1kV/s 10A 100A,10/1000 s D1 1kV 0.5kA 2.5kA,10/350 s D2 1kV 0.6kA 2.0kA,10/250 s J.2.2 UDC UAC UDC=2 UACJ.2.3 J.2.4 J.2.4-1 J.2.4-1(ITE)(c)88(d)(f)(g)(h)(l)J.2.1(o)(p)Up(C)Up(D)X1 X2(1)(2)Y1 Y2(1)(2)2 J.2.4-2 J.2.4-2(c)(d)(f)(l)(p)J.2.4-1(p1)(p2)(ITE)(p2)(q)X Y X Y(p)3)(ITE)G 89 1 2 3 4 90 IEC T

48、C81/335/CDV:2009-09-18(IEC 62305-1 2 GB/T 21714.1 2008/IEC 62305-1:2006)IEC TC81/336/CDV:2009-09-18(IEC 62305-2 2 GB/T 21714.2 2008/IEC 62305-2:2006)IEC TC81/337/CDV:2009-09-18(IEC 62305-3 2 3 GB/T 21714.3 2008/IEC 62305-3:2006)IEC TC81/338/CDV:2009-09-18(IEC 62305-4 2 GB/T 21714.4 2008/IEC 62305-4:

49、2006)5 GB 16895.22 2004/IEC 60364-5-53:2001 A1:2002 5-53 534(Electrical installations of buildings Part 5-53:selection and erection of equipment Isolation,switching and control Section 534:Devices for protection against overvoltages)IEC 61643-1 Ed.2.0:2005 IEC 61643-1 2 GB 18802.1 2002/IEC 61643-1:1

50、998(SPD)1(Surge protective devices connected to low-voltage power distribution system Part 1:Performance requirements and testing methods)7 IEC 61643-12 Ed.2.0:2008 IEC 61643-12 2 GB/T 18802.12 2006/IEC 61643-12:2002(SPD)12(Surge protective devices connected to low-voltage power distribution system