摘要
为了改善高压直流(HVDC)输电系统供电可靠性能,提出了在整流侧采用定直流电流的控制方式,逆变侧定触发越前角的控制方式,利用系统的三阶数学模型并应用非线性系统的状态反馈精确线性化方法,与滑模变结构控制理论相结合,设计非线性滑模变结构控制器。仿真的结果达到了所设控制器的要求,提高了直流系统作为功率支援的性能。
In order to improve the performance of the HVDC for the transmission system, design of nonlinear control system with sliding mode variable structure was presented, which used fixed pre-trigger angle control mode for inverter side, fixed direct current control mode for the rectifier side, and made use of the three-step mathematical mode of the system and applied state feedback precision linearization method combining with the sliding mode variable structure control theol7. The stimulation results show that the requirements of the control system can be met and the performance of HVDC power transmission for power＇ assistance can be improved.
出处
《中国电力》
CSCD
北大核心
2010年第12期10-13,共4页
Electric Power
关键词
变结构控制
非线性系统
功率支援
variable structure control
nonlinear system
power assistance
作者简介
作者简介：从振（1984-），男，河南信阳人，硕士研究生，从事电力系统的稳定与控制研究。E—mail：congzhen1@126．com
