Analytical investigation of poorly damped conditions in VSC-HVDC systems

@article{Song2015AnalyticalIO,
  title={Analytical investigation of poorly damped conditions in VSC-HVDC systems},
  author={Yujiao Song and Claes Breitholtz and Georgios Stamatiou and Massimo Bongiorno},
  journal={2016 IEEE 55th Conference on Decision and Control (CDC)},
  year={2015},
  pages={3279-3285}
}
In this paper, strong AC-grid connected VSC-HVDC systems are studied. Under specific conditions, such systems can suffer from both stability and poor damping related issues, which warrants a stability study. Analytical eigenvalue expressions can directly demonstrate the impact of physical or control parameters on the system stability. However, especially in case of high-order systems, such expressions are challenging to obtain. This paper suggests a method to symbolically represent… CONTINUE READING

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