Realization of the WAMS based power system aggregate load area model

The load places a very important role in power system stability. It greatly affects the system stability assessment results of a power system to a large extent. This paper focuses on the realization of aggregate load area model (ALAM) analysis. The ALAM model is based on the output of a power system wide area measurement system (WAMS). The parameter identifiability regarding the ALAM is studied in this paper. The case study of a simple power system shows that by using the proposed two step optimal ALAM load modeling method, the determined parameters of the ALAM model is much accurate and the ALAM model can perform sufficiently accuracy to the real load area.

[1]  I.A. Hiskens,et al.  Sensitivity, Approximation, and Uncertainty in Power System Dynamic Simulation , 2006, IEEE Transactions on Power Systems.

[2]  Wilsun Xu,et al.  Voltage stability load parameter determination from field tests on BC Hydro's system , 1997 .

[3]  D.J. Hill,et al.  Load modeling by finding support vectors of load data from field measurements , 2006, IEEE Transactions on Power Systems.

[4]  C. W. Taylor,et al.  Load representation for dynamic performance analysis , 1993 .

[5]  M. K. Pal.  Voltage stability conditions considering load characteristics , 1992 .

[6]  Jinyu Wen,et al.  Power system load modeling by learning based on system measurements , 2003 .

[7]  C. W. Taylor,et al.  Model validation for the August 10, 1996 WSCC system outage , 1999 .

[8]  C. W. Taylor,et al.  Identification of power system load dynamics using artificial neural networks , 1997 .

[9]  P. Ju,et al.  Identifiability of load models , 1997 .

[10]  S. M. Shahidehpour,et al.  Ramp-rate limits in unit commitment and economic dispatch incorporating rotor fatigue effect , 1994 .

[11]  Zhou Yu-guang.  RESEARCH ON PARAMETER IDENTIFICATION OF LOAD MODELS BY USING LINEAR BP NETWORKS , 2005 .

[12]  J. Fitch,et al.  Aggregate load area model for voltage stability studies , 2004, 2004 International Conference on Power System Technology, 2004. PowerCon 2004..

[13]  Hsiao-Dong Chiang,et al.  Development of a frequency-dependent composite load model using the measurement approach , 1994 .

[14]  C. W. Taylor.  Power System Voltage Stability , 1993 .

[15]  Zhao Yang Dong,et al.  Power system energy analysis incorporating comprehensive load characteristics , 2007 .