基于反馈控制策略的陆上与海上风力机塔架前后振动控制效果分析  

The Analysis of Tower Fore-aft Vibration Control Effects for Onshore and Offshore Wind Turbines Based on the Feedback Control Strategy

作　　者：贾文强[1] 谢双义 金鑫[3] 

机构地区：[1]太原重工股份有限公司,山西太原030024 [2]重庆公共运输职业学院,重庆402247 [3]重庆大学机械传动国家重点实验室,重庆400030

出　　处：《西华大学学报（自然科学版）》2015年第6期32-35,46,共5页Journal of Xihua University:Natural Science Edition

基　　金：国家科技支撑计划项目(2009BAA22B02);国家自然科学基金项目(51005255);教育部高等学校博士学科点科研基金项目(20090191120005)

摘　　要：塔架在受到风轮、机舱、自身重力以及各种风况和海况下的载荷作用时会出现振动幅度过大的情况,这可能导致塔筒倒塌、发电功率波动变大等恶劣事故的发生。为得到良好的控制塔架前后振动的效果,采用适合的控制策略是关键。文章分别对美国可再生能源实验室(NREL)提供的陆上和海上5 MW风力机塔架的前后振动采用反馈控制策略进行仿真模拟。仿真结果表明,在相同的控制策略下,陆上风力机的塔架前后振动能够得到很好的抑制,而对于海上风力机来说这种控制策略的效果并不明显。对于海上风力机塔架的前后振动问题还需要考虑其他控制策略。When tower is under the gravity of its own and wind turbines,engine room,and various wind conditions and sea conditions,the tower vibration amplitude always becomes great,which may lead to bad accidents,such as drum tower collapsed,power fluctuation becoming greater,etc. To control the vibration effectively,appropriate control strategy is important. The feedback control strategy is used for the fore-aft vibration of onshore and offshore wind turbine towers provided by NREL. Simulations are carried out for these two kinds of towers,and the results show that the fore-aft vibration of onshore wind turbine tower can be well suppressed,and it is not obvious for offshore tower. Therefore,other control strategy needs to be considered for offshore wind turbine tower.

关 键 词：塔架 风力发电机 前后振动 反馈控制策略 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程] TM614[电气工程—电力系统及自动化]