The invention discloses a bus voltage controller, a power generation method and a power generation system of a direct-current bias type alternating-current motor, and belongs to the field of alternating-current motor driving and control, and the bus voltage controller comprises a first arithmetic unit which is used for calculating a bus voltage error # imgabs0 # fast terminal sliding mode controller, the expression of the sliding mode surface of the controller is # imgabs1 #, and the first arithmetic unit is used for calculating the bus voltage error # imgabs0 # according to a fast terminal sliding mode control law; calculating a first component u1 of a torque given value, and calculating a second component u2 of the torque given value according to an exponential sliding mode reaching law; the input end of the expansion state observer is used for receiving a third component z2 of # imgabs2, the observation equation of the third component z2 is # imgabs3, and the third component z2 is used for calculating a torque given value; and the second operation unit is used for calculating a torque given value Teref according to # imgabs4 #. According to the invention, the bus voltage control precision and the dynamic response characteristic of the direct-current bias type alternating-current motor can be improved, so that the power generation quality is improved.
本发明公开了直流偏置型交流电机的母线电压控制器、发电方法及系统,属于交流电机驱动与控制领域,包括:第一运算单元,用于计算母线电压误差#imgabs0#快速终端滑模控制器,其滑模面的表达式为#imgabs1#其用于按照快速终端滑模控制律,计算转矩给定值的第一分量u1,并按照指数型滑模趋近律,计算转矩给定值的第二分量u2;扩张状态观测器,其输入端用于接收#imgabs2#其观测方程为#imgabs3#其用于计算转矩给定值的第三分量z2;以及第二运算单元,用于按照#imgabs4#计算转矩给定值Teref。本发明能够提直流偏置型交流电机的母线电压控制精度和动态响应特性,从而提高发电品质。
Bus voltage controller, power generation method and system of direct-current bias type alternating-current motor
直流偏置型交流电机的母线电压控制器、发电方法及系统
2024-01-23
Patent
Elektronische Ressource
Chinesisch
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