Direct Power Control of BCDFIG Based on Backstepping Algorithm

Articles in Press

Document Type : Original Article

Authors

1 Electrical Engineering Department, Iran University of Science &Technology (IUST), Tehran, Iran

2 Electrical Engineering Department, Iran University of Science & Technology (IUST), Tehran, Iran

3 Electrical Engineering Department, Iran University of Science &Technology (IUST), Tehran,

4 Tavanir company, Tehran, Iran

Abstract

Due to the various advantages of Brushless Cascaded Doubly Fed Induction Generators (BCDFIG), they are an attractive solution to be employed in grid-connected wind energy systems. In this paper, a novel direct power control strategy based on backstepping algorithm, is proposed for BCDFIG. The most well-known traditional control method for BCDFIG is the vector control strategy, which has several disadvantages such as dependence on the operating point, the need for accurately adjusting the parameters of multiple PI controllers, etc. The operating principles of the proposed method are based on controlling the references of active and reactive powers, by using the backstepping algorithm and defining appropriate Lyapunov function. The proposed controller overcomes the aforementioned drawbacks of the vector control method and improves its performance in different operating conditions. Finally, the proposed and vector control schemes for BCDFIG have been implemented in the MATLAB/Simulink software and their performances are compared.

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TABRIZ JOURNAL OF ELECTRICAL ENGINEERING

Articles in Press, Corrected Proof
Available Online from 04 December 2024

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