交流无间隙金属氧化物避雷器使用导则JB_T_5894-1991.pdf

ics 29.080.99 k 49 jb/t 58941991 metal oxide surge arresters without gaps for a.c. systems application guide 1991-10-241992-10-01 1 gb 11032 gb 311.1 gb 3117 gbj 64 gb 11032 110kv500kv 3kv63kv 1991-10-24 metal oxide surge arresters without gaps for a.c. systems application guide jb/t 58941991 1992-10-01 jb/t 58941991 2 (ur) uref 2 uc 1ma in 8/20 jb/t 58941991 3 a.1.15 b. 1.15 15%sf6gis 30s100s ) 110 kv gb 11032 63kv a. b. c. d. jb/t 58941991 4 e. f. g. h. i. j. a. b. c. d. gb 11032 60 gb 110323 17 mm/kv 20 mm/kv 25 mm/kv 1000 m735 m/s 2 cm 110kv500 kv jb/t 58941991 5 gb 110323kv63 kv 1 ma1.3 a. 1.4x0/x1r0/x1r1/x1a x0 x1 r0 r1 b. 1.73 37%1.82x0/x1120 2 1 0 = x x 1.82x0/x1 a. b. jb/t 58941991 6 z0/z10+3 r0/x10+11.4110kv 220kv1.4330kv 500kv 1.31.4 gb 11032 1.21.3 3kv63kv gb 11032 gb 11032 gb 11032 a. jb/t 58941991 7 b. c.20 min gb 11032 24 h1.2 1.32 h a. b. c. 150 kv/s1 200 kv/s d. e. f. a. b. gbj 64110kv a. 110kv220kv5ka 5ka10ka b. 330kv10 ka c. 500 kv20ka 110kv 5 ka2.5 ka1 ka gb 110321 1 jb/t 58941991 8 kv()ka() 3.155001.0 0.2200.3801.5 3.1520.02.5 3105 3635 27.5555 32205 11050010 50020 a. b. c. d. e. gb 11032iec gb 11032110 kv 2 2 1 w=t z u u u u u u u r r res r l r res 1 urkv ulkv wur kj/kv ureskv z tms 2 jb/t 58941991 9 ka z ms ul kv kv 5 10 14.9ur2 0003.2ur110 5 10 22.4ur2 0003.2ur220 10 31.3ur2 4002.8ur330 10 20 40.8ur2 8002.6ur500 1 1kvkjuresur 23 3 kv kj w jb/t 58941991 10 kvkm() 11103004903.1 22203004803.1 33303603902.8 45004203362.4 32 3emtp tna 1 2 emtptna 2a 2 ia= (uovures)/z2 w=tu z uu 2 res resov 3 uov z ia ures t w 3 3 kv63 kv 50a400a2000s uov ures uov jb/t 58941991 11 ksdfsf ks= ff sd =4 gb 311.7 a. ks1.25 ks1.4 b.ks1.15 330 kv500 kvgis 10 3 3i l c sa1 cn 34 jb/t 58941991 12 4sa2 sn2 5 45 l c sa sn cn 1 ma 3kv63kv6.3 sa3gb 11032 6sn3 gb 110326 42.15 7.1.2.3 55 5 a jb/t 58941991 13 kvar36103563 2 500 4 500 7 500 20 000 40 000 300 300 400 500 600 2 500 4 500 7 500 20 000 40 000 1 000 900 900 700 800 kv5 1ka 110 kv185 kv60 kv 500kv 325 kv100 kv 400.8 80% gb 11032 jb/t 58941991 14 1 gbj 64 27.5 kv55 kv gb 110328 a. b. c. d. e. sf6cis f. g 6a1a1 a a2 z6a 6b a2a2 ze a a2 a1 jb/t 58941991 15 b 6 la1a2 zetu a. b. c. a iricix ir 110 kv 1 ma 220 kv jb/t 58941991 16 35 kv 10 kv 1000 v a.3kv10 kv/0.4kvy/y0y/yy/y b. 35/0.4 kv c. d. e. jb/t 58941991 17 z1z2z0r0 z1=z2=r1+jx1 z0=r0+jx0 a1r1x1r=0 x0/x1 x0/x1x0/x1 a2r1=0 a. b. c. a1kx0/x1r1/x1=r0=0 jb/t 58941991 18 a2kr0/x1x0/x1r1=0 jb/t 58941991 19 b a. b. c. df= p ov u u b1 df uov up df=1+ e p l u k b2 k le b2 uov=up+kle k b3 le=l+a1+a2b3 6 jb/t 58941991 20 uov f rw s u b4 urw sf ks= ff p rw sd u u =b5 b1b4 lp=lemax=) 1()( 1 = f sp p f rw s k k