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1、 DL 418-91 DL 418-91 1991-10-04 1992-04-01 IEC 897(1987) 1 涨鷽AB 糡 A-鷨 B-鷨鷨 衣 塣40 700mm2/s 仯 仯 2 GB 311.1311.6 豸 GB 7597 () 3 3.1 豸壬 -缫飬 3.2 () 糡 涨 1 1-棻2- 3-4-5- 6-壻7- 3.3 糡糡 -缫伫 糡 -缫 3.4 涨1.2/50s 3.5 -缫 涨 4 4.1 “(1.2 30%/5020%s)300kV 0.120kJ() 4.1.1 1% 0.5% 4.1.2 GB 311.1311.6“ “涨 涨 3% 4.2 1 4.2.1
2、缫300mL塣 缫 4.2.2 缫 250kV 4.2.3 80 4.2.4 缫-缫12.513mm 4070m缫 B 5 飺 6 6.1 GB 7597 6.2 (缫缫) (80) 顣 6.3 6.3.1 6.2缫 6.3.2 飬1530 6.3.3 缫缫 缫0.1mm棬 缫缫 7 A-鷨 7.1 1.2/50s-缫 塣 7.2 鲽 7.2.1 6.35min 7.2.2 1缫15mm(Ue) (Ui)缫 1 缫 15mm25mm 7.2.3 Ui() 1min 7.2.4 7.2.3裬 7.2.5 5kV10kV顣 7.2.6 7.2.7 Ue15mm50kV 10kV 15mm(250k
3、V) 10mm5mm 7.3 涨(95%) () 7%()15%() ( )10%()30%() 飬 7.4 a. b. c.缫 d. e. f. g. Xi-ikV 8 B-鷨 8.1 A 巢P U 鷨P( P0)H0PP0H1PP0(A) 飬(2) (H0)85 轵顣 2 8.2 鲽 8.2.1 p0A涨 8.2.2 U0(A )U0 8.2.3 6.26.3涨缫 8.2.4 5min1U0 1min2 8.2.5 5崩 8.2.6 8.2.7 D1D2 顣855kV10kV 顣 D1H0PP0 D2裬H1PP0 8.3 a. b. c.缫 d. e. f. g. A 鷨鼰 () A1 鷨
4、 A2 P(U)PU P0 P1P0 P2P0 H0裺PP0 H1裺PP0衣 H0棬H0 H1棬H0 n dnn An Rn P P0 A3 鼰 A3.1 U粨(1.2/50s) PP0H0PP0 H1PP0H0顣 A3.2 P1 P0P2P0H0PP1H1 PP2 H0P=P1H1P=P2 A3.3 L L1-P=P1 L2-P=P2 L涨 LAH0 LRH0 ALR顣 ARP=P1H0P=P2H0 AR PP1H0PP2 H0 A3.4 P=P1ndn P=P2ndn nLA dndnh1+Snh1Sn (A1) (A2) Anh1+Sn dnAnLAH0An A3.5 nLRdnh2+Snh2 (A3) Rnh2+Sn dnRnLRH0Rn A3.6n(n,dn)ndnAn Rn(D1)(D2)(2) (n,dn)(D1)H0(n,dn) (D2)H0 顣 A3.7 2P010%P1=5% P2=15%=5%=1% (A1)(A2)(A3) h1-3.76Sn=0.092h22.47 B 缫 () 缫B1 (S)(A)45(M) (L1L2)(D) 1000 B1 缫 R-S-L1-32a-M-L2- 18b-A-()D- (b)(a) _