_800kV直流特高压输电线路的设计精选.pdfVIP

35 7 Vol. 35 No. 7 1518 2009 7 31 High Voltag Engin ring July 31, 2009 800 kV 1 1 2 3 李勇伟 , 周 康 , 李 力, 何 江 ( 1. 中国电力工程顾问集团公司, 北京100011; 2. 中国电力工程顾问集团西南电力设计院, 成都61002 1; 3. 中国电力工程顾问集团华东电力设计院, 上 200063) : 800 kV 800 kV , , - , , 800 kV - km 1 6400 MW , 800 kV , : 800 kV ; ; ; ; ; : T M72 1 : A : 1003-6520( 2009) 07- 1518-08 Design of 800 kV DC UHV Transmission Line 1 1 2 3 LI Yong-w i , ZHOU Kang , LI Li , HE Jiang ( 1. China Pow r Engin ring Consulting Group Corporation, B ijing 100011, China; 2. China Pow r Engin ring Consulting Group South W st El ctric Pow r D sign Institut , Ch ngdu 610021, China; 3. China Pow r Engin ring Consulting Gr oup East China El ctr ic Pow r D sign Institut , Shanghai 200063, China) Abstract: It is n c ssary to study and analyz main d sign principl of 800 kV DC Transmission sy st m in ord r to asc rt ain t chnical principl and standard as w ll as m t th r quir m nts of proj ct const ruct ion. On th basis of Xiangjiaba-Shanghai DC T ransmission Lin Proj ct, w discuss d th primary d sign principl of UH V DC ov rh ad transmission lin d sign, including atmosph ric param t rs, r liability of structur , s l ction of bundl conductor of polar , s l ction of groundw ir , s l ction of insulator typ , insulator s t and fitting , insulation co-ordination of air gap on th tow r, polar conductor h ight to th ground, polar conductor h ight crossing ov r th obstacl s on th ground, polar conductor configuration on th tow r and w id