CKC & Partners Co., Ltd.
Method and apparatus for decoupling the power of grid-connected inverter
A method and an apparatus for decoupling output power of an inverter are provided. The method comprises: obtaining voltage amplitude instruction E* and voltage phase instruction θ* according to an output voltage and an output current of the inverter; obtaining an amplitude feedforward amount Eff and a phase feedforward amount δff according to an amplitude U of a grid voltage of the power grid, an amplitude E of the output voltage of the inverter, and a phase difference δ between the output voltage of the inverter[0] and the grid voltage; obtaining a reference voltage amplitude Eref according to the voltage amplitude instruction E* and the amplitude feedforward amount Eff, and obtaining a reference voltage phase θref according to the voltage phase instruction θ* and the phase feedforward amount δff; and regulating the output power of the inverter using the reference voltage amplitude Eref and the reference voltage phase θref.
DELTA ELECTRONICS (SHANGHAI) CO.,LTD. XI'AN JIAOTONG UNIVERSITY
H H H H Y
H02M H02J H02M H02M Y02E
inventional inventional additional inventional additional
Jinjun Teng Shike Zeng Baojin
Liu Wu Wang Liu Liu