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On the application of Phasor Measurement Units to power system stability monitoring and analysis

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2 Author(s)
Jiangmeng Zhang ; Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, USA ; Daniel Chen

This paper proposes a method for power system stability monitoring and analysis through Phasor Measurement Units' (PMUs) measurements (i.e., bus voltage magnitudes and angles). Real-time stability monitoring can be achieved by observing the behavior of the measurement data's frequency spectra. In addition, a modified Thevenin equivalent-based model is proposed to analyze the system small-signal stability and transient stability. The model's parameters are estimated based on the phasor measurements. We verify our proposed method through simulations on a RTDS/PMU/PDC testbed and perform analyses on real PMU data.

Published in:

Power and Energy Conference at Illinois (PECI), 2012 IEEE

Date of Conference:

24-25 Feb. 2012