Volume 22, Issue 3 (JIAEEE Vol.22 No.3 2025)                   Journal of Iranian Association of Electrical and Electronics Engineers 2025, 22(3): 0-0 | Back to browse issues page

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Ziaei A, Ghazi R, Zeinali Davarani R. Analyzing the interaction effects of controllers loop in VSC-MTDC system integrating wind farms. Journal of Iranian Association of Electrical and Electronics Engineers 2025; 22 (3)
URL: http://jiaeee.com/article-1-1764-en.html
Analyzing the interaction effects of controllers loop in VSC-MTDC system integrating wind farms
Ali Ziaei , Reza Ghazi , Roohalamin Zeinali Davarani *
Graduate University of Advanced Technology
Abstract:   (25 Views)
The use of multi-terminal high voltage direct current transmission systems (MT-HVDC), has had a significant increase in the power transmission of high-capacity power plants, especially renewable power plants. In addition to the important advantages of MTDC systems based Voltage Source Converter (VSC-MTDC), the possibility of VSC-MTDC system controllers interaction with other controllers and network devices has become one of the main concerns. In addition, research shows that in power systems under stress conditions the possibility of interaction between system components is increased and can endanger the stability of the power system. Therefore, in this paper, the possibility of interaction of the MTDC system based on VSC in connection with a wind farm based on DFIG generators is comprehensively investigated and the effect of control coefficients and network parameters on system stability is presented. The results of the eigenvalue analysis show that some system components such as the vector current controller of the VSC and HVDC transmission line impedance have a significant impact on the damping of the system modes. So the inaccurate design of the VSC-MTDC system can lead to the instability of system oscillations. At the end of the paper, for stable operation of the system, an optimal range of controller coefficients is provided.
 
Keywords: Dynamic Stability, Eigenvalue Analysis, Interaction, DFIG Induction Generator, VSC-MTDC Transmission System, Wind Farm
     
Type of Article: Research | Subject: Power
Received: 2024/09/29 | Accepted: 2024/12/4
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