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交流输电线路导线结构的研究与应用
张赟 ; 朱普轩 ; 曾嵘 ; 胡军 ; 何金良 ; 张波 ; ZHANG Yun ; ZHU Pu-xuan ; ZENG Rong ; HU Jun ; HE Jin-liang ; ZHANG Bo
2010-06-10 ; 2010-06-10
关键词输电线路 交流 三相采用不同导线 表面场强 电磁环境 导线利用率 transmission line AC using different conductors in different phases surface field strength electromagnetic environment utilization ratio of conductors TM726
其他题名Design of Different Conductors in Different Phases on AC Transmission Lines
中文摘要为了平衡各相导线电荷和表面场强,提高导线利用率,减小工程投资,提出了导线表面场强大的相采用大截面导线,而其它相采用小截面导线的新型输电线路结构。并计算了该种结构线路的电磁环境与结构参数。结果表明采用该结构可有效平衡三相导线表面场强,减小总导线截面,节约工程投资,还可提升单位截面导线自然功率,提高导线利用率。研究了采用该结构的线路不平衡度,过电压水平,通信、保护、故障测距方法,表明了该方法略微增加线路不平衡度,但仍满足国标要求;对过电压水平几乎没有影响;对通信、保护、故障测距的影响可以通过整定消除。该技术目前已成功应用在330 kV洛—大线上。; In the designing of transmission lines,the conductor surface field strength is one of the restriction factors,in order to balance the charge and surface field of different phases,to increase the utilization ratio of conductors,and to reduce the investment,this paper introduces a new scheme that uses different conductors in border and middle phases.This paper also studies the electrical magnetic environment and parameters of the transmission line,the results show that this scheme can not only balance the surface field strength and electric charge of three phases,reduce total conductor section area,reduce total investment,but also increase the natural power per unit section area,but also significantly increase the utilization ratio of conductors.This paper also evaluates some factors in this scheme,such as the influence on the degree of imbalance,the over voltage level,communications,relay protection and failure distance location of the system.This new method has been applied in 330kV Luo—Da transmission line in Gansu province.; 973重点基础研究发展计划(2004CB217906)。~~
语种中文 ; 中文
内容类型期刊论文
源URL[http://hdl.handle.net/123456789/62282]  
专题清华大学
推荐引用方式
GB/T 7714
张赟,朱普轩,曾嵘,等. 交流输电线路导线结构的研究与应用[J],2010, 2010.
APA 张赟.,朱普轩.,曾嵘.,胡军.,何金良.,...&ZHANG Bo.(2010).交流输电线路导线结构的研究与应用..
MLA 张赟,et al."交流输电线路导线结构的研究与应用".(2010).
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