高电压技术2018，Vol.44Issue(1)：29-36,8.DOI:10.13336/j.1003-6520.hve.20171227004
半波长输电系统运行特性的全电磁暂态仿真研究
Electromagnetic Transient Simulation of Operating Characteristics of UHV AC Half-wavelength Transmission System
摘要
Abstract
In order to simulate the wave propagation process of half wave-length AC transmission (HWACT) lines and the operating characteristics of its connected power grids accurately and simultaneously,we established whole electromagnetic transient simulation model of HWACT and large scale AC/DC hybrid power grid in East China.Moreover,we established the steady-state operation mode,and simulated the steady-state operation characteristics of the HWACT line.By simulating the faults in the HWACT line and the faults of the AC/DC power grid,the transient operating characteristics of the HWACT and its interaction with AC and DC were analyzed.Research shows that the fault of HWACT lines is more serious than fault of power system;the system can be restored to stable operation after the failure.When the fault occurs at both ends of the line,the times of commutation failures are higher.After installing arresters on HWACT lines,the stability of the system can be improved,the times of DC commutation failures can be reduced,and the transmission capacity of the lines can be improved.This paper provides a research method for HWACT technology.关键词
半波长/特高压交流/特高压直流/交直流混联电网/电磁暂态/避雷器Key words
HWACT/UHVAC/UHVDC/AC/DC hybrid power grid/electromagnetic transient/arrestor引用本文复制引用
董鹏,朱艺颖,习工伟,乔小敏,黄少锋..半波长输电系统运行特性的全电磁暂态仿真研究[J].高电压技术,2018,44(1):29-36,8.基金项目
国家电网公司科技项目(XT71-15-067).Project supported by Science and Technology Project of SGCC (XT71-15-067). （XT71-15-067）
