scholarly journals Retraction: A Robust WLS Power System State Estimation Method Integrating a Wide-Area Measurement System and SCADA Technology. Energies 2015, 8, 2769–2787

Energies ◽  
2015 ◽  
Vol 8 (10) ◽  
pp. 10995-10995
Author(s):  
Energies Office
Keyword(s):  
Power System ◽  
State Estimation ◽  
Measurement System ◽  
Estimation Method ◽  
Area Measurement ◽  
Wide Area ◽  
System State ◽  
Power System State Estimation ◽  
Wide Area Measurement System

Identification the Low-Frequency Oscillation Stakeout of Power System by Wide-Area Measurement System

2011 ◽  
Vol 128-129 ◽  
pp. 594-601
Author(s):  
Yang Liu ◽  
Qian Huang ◽  
Dong Chen
Keyword(s):  
Power System ◽  
Measurement System ◽  
Rapid Development ◽  
Oscillation Mode ◽  
Low Frequency ◽  
Area Measurement ◽  
Wide Area ◽  
Frequency Oscillation ◽  
Low Frequency Oscillation ◽  
Wide Area Measurement System

With the rapid development of interconnected power grid, the phenomenon of power system low-frequency oscillation appears unavoidably. Then, the appearance of wide-area measurement system provided a supporting technology for better scout low-frequency oscillation system and better recognize the oscillation mode . In this paper, the existing oscillation mode identifying methods are analyzed from the viewpoint of calculation speed, criterion, calculation accuracy, etc. Mainly compared the applicability of two methods, Prony and ESPRIT . Based on the above research, a new idea of monitoring power system low frequency oscillation based on WAMS is put forward in this paper.

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