摘要
以液压型风力发电机组为研究对象,针对其液压调速系统恒转速输出问题,建立了定量泵-变量马达液压调速系统数学模型,得到了系统泄漏、系统压力瞬态调整和模型参数误差对机组恒转速输出的补偿控制数学模型。以数学模型为基础,给出了液压型风力发电机组恒转速输出补偿控制方法。以30kV·A液压型风力发电机组实验台为仿真和实验基础,对提出的控制方法展开研究。仿真和实验结果表明,液压型风力发电机组恒转速输出补偿控制方法具有较好的控制效果,可实现机组的恒转速输出的高精度控制。
Ministry of Education of China Qinhuangdao Hebei 066004fixedTaking a hydraulic wind turbine as the research object,the mathematical models fordisplacement pump-variable displacement motor of hydraulic system were established for the cmonstant speed output problem in hydraulic wind turbine.The compensation control mathematicalteodels caused by system leakage,transient adjusting of system pressure and errors of model parame-ourtspwere derived for the constant speed output.A compensation control method for constant speedwindut in hydraulic wind turbine was given based on mathematical models.Using 30 kV·A hydraulicmethoturbine simulation platform as the simulation and experimental platform,the proposed controld was researched.Simulation analysis and experimental results show that the compensationcontrol method for constant speed output in hydraulic wind turbine has good control effect,achieving the high-precision control for constant speed output.
出处
《中国机械工程》
EI
CAS
CSCD
北大核心
2015年第9期1189-1193,共5页
China Mechanical Engineering
基金
国家自然科学基金资助项目(51405423)
河北省青年基金资助项目(QN20132017)
燕山大学青年教师自主研究计划资助项目(13LGB005)
关键词
风力发电
液压传动
恒转速输出
补偿控制
wind power
hydraulic transmission
constant speed output
compensation control
