Abstract
At the present time, electric power quality-related troubles are absorbed in electric power distribution networks. For compensating power quality voltage sag issues, different types of custom power devices are utilized. The dynamic voltage restorer (DVR) is one among the power electronics devices which might be used for boosting the PQ. To mitigate the voltage sag disturbances, the performance of DVR must be enhanced. In this paper for mitigation of voltage dip an estimation technique which depends on linear Kalman filter (LKF) is recommended. The recommended LKF estimation method is carried out to facilitate the control algorithm for producing reference signals of voltage source converter (VSC) of DVR. DVR offers the compensation voltage as output is inserted in the power line. With this suggested estimation method, voltage sag problems are resolved with precision and faster performance to revoke the sag appearance in nonlinear sensitivity load-connected distribution systems. The verification of the LKF algorithm is accomplished on Simulink platform. Simulation effects are inspected and the suggested one is compared with DVR.
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