特高压长距离交流输电线路分布参数计算及线路模型的建立  

Calculation of Distributed Parameters and Establishment of Model of UHV and Long-distance AC Transmission Line

作　　者：刘建 

机构地区：[1]山东省电力公司德州供电分公司,山东德州253008

出　　处：《电力学报》2011年第2期95-98,共4页Journal of Electric Power

基　　金：山东省教育厅科技计划项目基金(J06B06)

摘　　要：特高压长距离输电线路进行电能传输时的运行特性有别于高压及超高压输电线路。特高压输电线路的分布参数特性决定了输电线路的基本特性。以输电线路的原参数:电阻R、电感L、电容C以及电导G为基础得到分布参数的计算公式。采用将试验数值法与按导线排列方式计算的传统方法相结合得到特高压输电线路的电导值。推导了特高压长距离输电线路∏形等值电路的参数计算公式,并建立了精确考虑线路分布参数特性的等值电路。为展开对特高压长距离交流输电技术的研究提供了理论基础。The operating characteristics of UHV（Ultra-High Voltage） and long-distance power transmission lines are different from HV and EHV transmission lines.The characteristics of distributed parameters determine the basic characteristics of UHV transmission line.Base on the original characteristics： resistance R,inductance L,capacitance C and conductance G,we can get the equations of characteristics.Experimental numerical method combine with traditional method of according to conductor arrangement can get conductance of the line.At last,equations of characteristics in ∏-model of UHV and long-distance AC transmission line is derived and the equivalent circuit is established.It provide theoretical foundation for further study technology of UHV and long-distance AC transmission line.

关 键 词：电力系统 特高压交流输电线路 分布参数 等值电路 

分 类 号：TM773[电气工程—电力系统及自动化]