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This paper proposes the combining of μ-synthesis robust repetitive control and feedforward control scheme to the design of constant sinusoidal voltage tracking for a stand-alone three-phase constant voltage inverter. The controller designed problem is defined in the form of two-degree-of-freedom feedback-feedforward controller. The D-K iterative algorithm is used to solve for both parts of the controller...
This paper describes a small signal model, voltage controller design and its implementation for a DC/DC converter in a PV(Photovoltaic) system. The detailed small signal model is proposed to design a voltage controller for the system. Based on the proposed small signal model, a voltage controller for the PV system is designed and tested with different internal resistances of the PV system. The designed...
This paper proposes the series-connect PI control for MPPT control of photovoltaic system. The conventional constant voltage(CV), perturbation and observation(PO) and incremental conductance(IC) are the method which finding maximum power point(MPP) by the continued self-excitation vibration, and uses the fixed step size. If the fixed step size is a large, the tracking speed of maximum power point...
In this paper, a hybrid power electronic topology is presented for grid-connected PV panels. The proposed structure comprises of a dual active bridge (DAB) converter along with a multilevel converter which is based on diode-clamped structure. The DAB converter is connected to the proposed multilevel converter using a DC-link capacitor. The proposed hybrid converter can increase the produced voltage...
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