摘要
研究了基于无速度传感器笼型感应电机全功率变流风力发电系统的控制策略。根据笼型感应电机的特性,机侧变换器采用基于模型参考自适应算法的无速度传感器直接转矩控制,网侧变换器采用电压电流双闭环控制策略。仿真结果表明:成功实现了转速调节及笼型感应电机风力发电系统有功和无功电流的独立控制,验证了所提方案的可行性。
A control strategy using speed sensor-less squirrel-cage induction generator （SCIG） full power converter wind power system was studied. According to the SCIG＇s characteristics and the model reference adaptive control theory, direct torque control strategy based on speed sensor-less was adopted for the generator side converter. And the voltage oriented control and current dual close-loop control strategy were used for the grid side converter. The simulation results show that the control strategy can realize generator rotational speed regulation, and the active and reactive power control are achieved independently. The feasibility of the method was validated.
出处
《电机与控制应用》
北大核心
2014年第3期47-51,共5页
Electric machines & control application
基金
上海市教育委员会重点学科建设目资助(J51301)
上海市教委自然科学基金(07ZZ146)
关键词
笼型感应电机
直接转矩控制
电网电压定向
无速度传感器
风力发电
squirrel-cage induction generator
direct torque control
grid voltage orientation
wind power generation
speed sensor-less
