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This paper proposes a new approach to reduction of power system dynamic models based on approximate bisimulation relations. Advantages of these relations for time domain analysis over the model reduction techniques commonly used in system theory are pointed out. The approach is applied to the transient stability analysis in power systems. We propose an algorithm that identifies whether the power system...
The performance of a continuous-discrete Kalman filter using multi-sensor observations with irregular sampling patterns and/or delay in the measurement path is analyzed in terms of the associated error-covariance matrix. Such irregularities occur in geographically-distributed systems (such as the electric power grid) when observations are transmitted to an estimation/control center via an unreliable...
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