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In this paper, a decentralized control problem is considered for multimachine power system. First, a novel mathematical model of multimachine power systems is developed. The main characteristic of this model is that interactions between generators and changes in operating conditions are represented by time-varying parameters. Second, it develops a decentralized controller for the transient stabilization...
This paper deals with the modelling and effect of Doubly Fed Induction Generator (DFIG) for wind turbines on transient stability analysis when connected to grid system. A reduced order model for the DFIG has been used. A controller for speed, voltage and power factor has also been implemented. The DFIG model and the controller are presented as Differential Algebraic Equations (DAE). A 7th order model...
As a new control strategy, auto-disturbance-rejection controller (ADRC) has been introduced in the power system successfully. The controller is free of planting model foundation in the design procedure and realized simply. In this paper, a ADRC used for superconducting magnetic energy storage (SMES) unit connected to a power system is proposed. Purpose of designing such controller is to improve the...
This paper focused on modeling and controlling of a doubly-fed induction generator (DFIG). The presented model is developed based on the basic flux linkage, voltage and torque equations. In order to control the DFIG's active power, a suitable method based on PSO algorithm has been proposed. The simulation results show that the presented method is a useful way to improve the output power of DFIG.
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