电力系统自动化2012,Vol.36Issue(5):96-102,7.
一种铁路功率调节器的改进单周控制方法
An Improved One-cycle Control Method of Railway Power Static Conditioner
摘要
Abstract
To mitigate the power quality issue of traction power system caused by locomotives and maintain a clean and safe power grid,a railway power static conditioner is discussed.As the railway locomotive is random and fast,an improved one-cycle control method based on equivalent resistance feedforward control is presented.The equivalent load feedforward control can track the variations of load in real-time,which effectively improves the dynamical performance of the control system.The PI control of DC-link voltage can maintain a stable DC-link voltage and ensure the normal operation of railway static power conditioner.In order to overcome the dead-time effect,a dead-time compensation method is adopted to enhance the compensation accuracy.Finally,simulation and experimental results verify the correctness of the proposed control method.关键词
高速铁路/铁路功率调节器/电能质量/单周控制/等效电阻/死区效应Key words
high-speed railway/railway static power conditioner/power quality/one-cycle control/equivalent resistance/dead-time effect分类
信息技术与安全科学引用本文复制引用
马伏军,罗安,王刚,张寅,王晓,孙运宾..一种铁路功率调节器的改进单周控制方法[J].电力系统自动化,2012,36(5):96-102,7.基金项目
国家科技支撑计划资助项目 ()