Abstract
In this study proposed, for voltage sag mitigation an estimation method based on Extended Kalman Filter (EKF) is suggested. The suggested EKF based estimation technique is applied to help the control algorithm for producing reference signals of Voltage Source Converter (VSC) of DVR. DVR offers the compensation voltage as output which is inserted in the connected line. With this estimation method, voltage sag issues are found out with precision and faster performance to revoke out the sag appearance in sensitivity load connected distribution systems. The presentation of the suggested estimation technique is examined in terms of presenting the fundamental sinusoidal waveform to the nonlinear sensitive load. The confirmation of the suggested estimation algorithm is carried out on MATLAB working platform. Simulation effects are inspected and suggested one is compared with Linear Kalman Filter (LKF).
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