Abstract:The design of Inductance–capacitor–inductance (LCL) grid-connected
inverter based on linear quadratic regulation (LQR) has been studied
widely, while the performance of the controller is not analyzed in these
designs. In this paper, a new design method of LCL is discussed in
detail. Different from the existing method parameter of the LQR
controller is obtained according to the pole assignment. Besides,
parameters of LCL-type filter are designed in term of the
characteristics of the new closed-loop system. Furt… Show more
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