电网技术Issue(9)：2410-2415,6.
考虑交流系统负荷模型的直流输电系统特性分析
Analysis on Characteristics of HVDC Power Transmission System in AC/DC Hybrid System Considering Load Model of AC System
摘要
Abstract
The influences of load in AC system on operational characteristics of AC/DC hybrid system, and the maximum available power determined by the maximum power curve (MPC) method are analyzed. The method to solve the critical short-circuit ratio is discussed and on this basis the influence of the load in AC system on system strength is explained. The relation between equivalent impedance of asynchronous motor and the terminal voltage of the motor is analyzed in depth. The effect of load in AC system on static voltage stability of commutation bus, and the method to solve critical transmission power and critical voltage are discussed. Through an actual case, the differences of DC power transmission characteristics and voltage stability are illustrated while the load in AC system is of constant impedance and asynchronous motors respectively. The influencing factors on available transmission capacity (ATC) of HVDC power transmission system are discussed and how to solve the transmission limit of DC power is given clearly.关键词
交直流系统/交流系统负荷/功率极限/系统强度/电压稳定Key words
AC/DC hybrid system/load of AC system/power limit/system strength/voltage stability分类
信息技术与安全科学引用本文复制引用
肖俊,李兴源..考虑交流系统负荷模型的直流输电系统特性分析[J].电网技术,2013,(9):2410-2415,6.基金项目
国家863高技术基金项目(2011AA05A119)；国家自然科学基金资助项目(51037003)。The National High Technology Research and Development of China (863 Program)(2011AA05A119) （2011AA05A119）
Project Supported by National Natural Science Foundation of China (51037003) （51037003）
