【摘要】 详细研究了风力发电系统中双馈电机采用直接转矩控制的原理,在此基础上组建了由ABB公司的ACS 800-67作为控制设备的控制系统.在实验室中采用该控制系统对双馈电机进行现场模拟实验.由于ACS 800-67控制设备采用了直接转矩控制策略,因此对该设备的直接转矩控制器进行了研究.结合所研究的双馈电机直接转矩控制理论对实验数据进行分析,结果证明双馈电机直接转矩控制在风力发电系统中具有利用风能发电效率高、并网冲击电流小、并网同步速度快的优点.更多还原

【Abstract】 The principle of applying direct torque control(DTC) to double-fed in wind energy generation system has been studied.And the control system,taking ABB ACS 800-67 as the control device had been established.Moreover,based on the control system,the simulation experiment for the doublefed electrical machinery was carried in the lab.For the ACS 800-67 control device adopting DTC,the torque controller was studied.According to the DTC theory for double-fed motor,the(experiment) data had been analyzed.The results have proved that the DTC for double-fed motor possesses such advantages as higher wind energy transformation efficiency,lower(connect-grid) surge current and faster connected grid synchronous speed.更多还原