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The paper compares three different methods for selection of input/output signals to a multi input multi output wide area controller for the improvement of damping of critical electromechanical modes in the system. The first method is based on the controllability and observability factor analysis. The second method is based on the Sequential Orthogonalization (SO) algorithm. The third and final method...
The paper proposes a new method of optimal input and output signal selection for wide-area controllers. The selection procedure employs the Sequential Orthogonalization (SO) algorithm. The method uses the geometric measures of controllability and observability. The selection method is illustrated on the New England Test System (NETS). Results showed applicability of the method for wide-area damping...
The paper compares three different methods for optimal placement of PMUs. The objective of the placement methods is to provide the maximum observability information of the electromechanical modes of interest. The first method is based on the observability factor analysis, the second on the sequential orthogonalization algorithm and the third combines coherency identification technique with the observability...
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