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In this paper, the design of an output filter for the matrix converter when it operates as series and shunt power compensator is presented. For each of the synchronous grid-tie applications mentioned, the matrix converter is modeled as a voltage and current source correspondingly. The developed filter is comprised only by passive storage elements, in order to improve the efficiency of the overall...
This paper proposes a practical approach for implementing a hybrid state estimator by considering SCADA and PMU measurements in VSC-HVDC transmission links under a unified framework of reference. A proposed formulation for the PMU measurements associated with the VSC-HVDC state variables is derived from the first principles and is implemented into a weighted least square-based state estimation algorithm...
This paper proposes a practical approach to incorporate a High Voltage Direct-current (HVDC) link in a state estimation algorithm based on the technique Weighted Least Squares (WLS). The power measurements of the HVDC are directly appended to traditional measurements to estimate the equilibrium point of the power system. The proposed approach simultaneously upgrades the estimated values of the state...
The reference trajectory tracking problem is considered in this paper for multiple-input multiple-output (MIMO) nonlinear systems with constant time-delays. Sufficient conditions are given for the existence of a causal state feedback solution
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