Out-of-step detection using Zubov's approximation stability boundaries
Document Type
Article
Publication Date
10-5-2015
Department
Center for Cyber-Physical Systems; Department of Electrical and Computer Engineering
Abstract
This paper presents a new out-of-step detection method for multi-machine power systems based on approximate stability boundaries. The boundaries are constructed based on Zubov's method of stability analysis. The proposed out-of-step detection method first constructs a series of boundaries in power angle - frequency (δ-ω) plane, and tracks the trajectory of each generator in the δ-ω plane after the disturbance to differentiate out-of-step from stable power swings. The electrical parameters needed to construct approximate stability boundaries are obtained directly from Phasor Measurement Units (PMUs) located at the generator's terminal. The effectiveness of the proposed method is tested in a Single Machine Infinite Bus (SMIB) and the IEEE 3-machine 9-bus system. Simulation results show that the proposed algorithm is capable of detecting out-of-step conditions in multi-machine power systems without using network reduction techniques.
Publication Title
2015 IEEE Power & Energy Society General Meeting
Recommended Citation
Wei, Y.,
Paudyal, S.,
&
Mork, B. A.
(2015).
Out-of-step detection using Zubov's approximation stability boundaries.
2015 IEEE Power & Energy Society General Meeting.
http://doi.org/10.1109/PESGM.2015.7286595
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/802
Publisher's Statement
© 2015 IEEE. Publisher's version of record: https://doi.org/10.1109/PESGM.2015.7286595