Application of Posicast controller with SVC in wind-diesel hybrid power system model
2021
Posicast controller is used to damp out oscillations of power system by changing excitation of the reference signal. The main purpose of this controller is to reduce the overshoot and the rising time of the transient voltage response of power system. In the present work, Posicast controller and static VAR controller (SVC) have been used to enhance the stability under any form of small disturbance of a wind-diesel hybrid power system (WDHPS) model. Stability of the hybrid model is, mainly, affected by the active and the reactive power unbalance. In this paper, reactive power unbalance has been carried out and it may be handled by using these two controllers. In the studied WDHPS model, a power system stabilizer (mainly, PSS3B) is also included along with the Posicast with SVC controller and performance of the hybrid model is investigated with the help of different soft computing techniques. Soft computing techniques are, basically, used to adjust the different parameters of the studied WDHPS based model for smooth and healthy operations of the hybrid model. The employed technique establishes better performance of the studied WDHPS based model in terms of superior dynamic reactive power compensation offered in real-time.
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