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Gu, Z.Y., Yong, T., Sun, H., et al. (2013) An Identification Method for Power System Transient Angle Stability Based on the Trend of Rotor Speed Difference-rotor Angle Difference. Proceedings of the Chinese Society of Electrical Engineering, 33, 65-72.

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• TITLE: Practical Dynamic Security Region Based on Phase Trajectory

  AUTHORS: Yi Gao, Jiangtao Chang, Chao Qin, Yuan Zeng, Yingying Liu, Shengwei Li

  KEYWORDS: The Phase Trajectory, Sensitivity Analysis, Controlling Unstable Equilibrium Mode, PDSR

  JOURNAL NAME: Energy and Power Engineering, Vol.9 No.4B, April 6, 2017

  ABSTRACT: A fast method based on the phase trajectory to compute DSR is developed. Firstly, the phase trajectory sensitivity has more linear effect than power angle sensitivity. According to the phase trajectory boundary function, controlling unstable equilibrium generators could be identified. The PDSR is finally obtained by the sensitivity analysis between the phase and generators’ active power. Test results on the New England 10-genrator 39-bus system are presented and prove the effectiveness of this approach.