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Simulation Study of Dynamic Fault Recovery Performance of VSC-HVDC System

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DOI: 10.4236/epe.2013.53B004    3,962 Downloads   5,131 Views   Citations

ABSTRACT

The fault recovery of VSC-HVDC transmission system is often influenced by many factors, such as the reactive power compensation characteristics of the inverter and the dynamic performance of DC controllers. In this paper, the PSCAD/ EMTDC simulation tool is used to study the dynamic recovery performance of VSC-HVDC system for several different var compensating devices in VSC-HVDC inverter-Fixed capacitor (FC), Static Var compensator (SVC), and Static synchronous compensator (STATCOM) when VSC-HVDC is subject to various faults, including three phase groundings, single phase grounding and three phase breakings. The result shows that the recovery process of the whole system will be slowed down due to its negative influence on the strength of AC power system with the application of SVC, while the STATCOM can improve VSC-HVDC recovery performance greatly for its advantages over other compensating devices in areas such as voltage support ability and DC power recovery.

Cite this paper

Z. Cheng, X. Wang, X. Wu, G. Du and F. Li, "Simulation Study of Dynamic Fault Recovery Performance of VSC-HVDC System," Energy and Power Engineering, Vol. 5 No. 3B, 2013, pp. 15-19. doi: 10.4236/epe.2013.53B004.

Conflicts of Interest

The authors declare no conflicts of interest.

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