液压型风力发电机组低电压穿越双变量协调控制研究  

RESEARCH ON DOUBLE VARIABLES COORDINATION CONTROL OF LOW VOLTAGE RIDE THROUGH IN HYDRAULIC WIND TURBINE

作　　者：艾超[1,2] 陈立娟[3] 孔祥东[1,2] 张亮[3] 闫桂山 Ai Chao;Chen Lijuan;Kong Xiangdong;Zhang Liang;Yan Guishan(Yanshan University Hebei Heavy Machinery Fluid Power Transmission and Control Lab, Qinhnangdao 066004, China;Key Laboratory of Advanced Forging Forming Technology and Science （ Yanshan University）, Ministry of Education, Qinhuangdao 066004, China;School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China)

机构地区：[1]燕山大学河北省重型机械流体动力传输与控制实验室,秦皇岛066004 [2]先进锻压成形技术与科学教育部重点实验室燕山大学,秦皇岛066004 [3]燕山大学机械工程学院,秦皇岛066004

出　　处：《太阳能学报》2018年第5期1408-1417,共10页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金(51475406);河北省高等学校科学技术研究重点项目(ZD2016114);燕山大学青年教师自主研究计划(13LGB005)

摘　　要：以液压型风力发电机组为研究对象,研究液压型机组低电压穿越控制问题。结合风电机组低电压穿越要求和液压型风力发电机组工作原理,提出一种比例节流阀开口度与变量马达摆角双变量联合控制的低电压穿越的控制方法。建立机组的数学模型,基于能量耗散原理和动态面控制方法构造低电压穿越双变量控制器。依托30 k VA液压型风力发电机组半物理仿真实验台进行仿真和实验研究,实现了低电压穿越过程中机组液压系统传输功率和输出转速的高精度控制,为液压型机组的低电压穿越控制的进一步研究奠定基础。Taking the hydraulic wind turbine as the research object,the problem of the low voltage ride through controlof the hydraulic unit is studied. Combined with the requirement of low voltage ride through of wind turbine and theworking principle of the hydraulic type wind turbine,a low voltage ride through control method is proposed,with thecontrol of proportional throttle valve openmouthed size and variable motor swing angle. The low voltage ride through dualvariable controler is conducted,based on the principle of energy dissipation and dynamic surface control method.Simulation and experimental study is conducted based on the 30 kVA hydraulic wind turbine semi-physical simulationexperimental platform,the high precision control of transmission power and output speed is realized in the process of lowvoltage ride through,and it lays the foundation for the further research of the low voltage ride through control in hydraulicwind turbine.

关 键 词：液压型风力发电机 定量泵 变量马达摆角 低电压穿越 比例节流阀开口度 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]