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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.


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

Cite this paper

Gao, Y. , Chang, J. , Qin, C. , Zeng, Y. , Liu, Y. and Li, S. 2017 Practical Dynamic Security Region Based on Phase Trajectory. Energy and Power Engineering, 9, 503-514. doi: 10.4236-epe.2017.94B056.

Autor: Yi Gao1, Jiangtao Chang2, Chao Qin2, Yuan Zeng2, Yingying Liu1, Shengwei Li1



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